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Sexual Precocity in a 16-Month-Old: ^% G" h$ G" R$ L( ^5 ]! N
Boy Induced by Indirect Topical
: y" B$ ~' a# J% EExposure to Testosterone. J0 t- t' ]5 C) l! e
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
  x+ E# @# a! h# i8 `8 tand Kenneth R. Rettig, MD1. {8 V/ N4 \3 Q# l! Z! P; ~6 k- c
Clinical Pediatrics
: _! w+ k1 i: Q2 @0 m: u' FVolume 46 Number 6
  B/ n& C5 }' Z8 b, H5 `July 2007 540-543
- H1 ]! }, J9 f1 M9 v/ B© 2007 Sage Publications5 Y: U. u7 |6 f+ c4 n3 p# O( R
10.1177/0009922806296651
* O, `$ J, D& |6 N# \. f, C" Shttp://clp.sagepub.com
5 O/ C+ Z$ H& J8 P2 ahosted at
# p' t  y, t" {http://online.sagepub.com
% t, s7 E" }0 f8 b" gPrecocious puberty in boys, central or peripheral,
) [# w9 `3 c9 A4 E6 J* B& Bis a significant concern for physicians. Central' R/ j, x' R/ Z  [% z& h
precocious puberty (CPP), which is mediated$ v; N2 n# t) L$ g9 h+ p9 W0 t
through the hypothalamic pituitary gonadal axis, has
" c" v; T. G9 K8 [; v) pa higher incidence of organic central nervous system/ G0 H# X& t2 J6 E
lesions in boys.1,2 Virilization in boys, as manifested
* ?% D; b7 r- @- n6 rby enlargement of the penis, development of pubic
6 U5 ^4 D( ^7 h1 W- n; v- x6 `hair, and facial acne without enlargement of testi-
8 ^+ R6 m# @* c9 S0 acles, suggests peripheral or pseudopuberty.1-3 We' ^- z* I7 K4 D1 r. w9 o
report a 16-month-old boy who presented with the
0 m8 C1 A& K9 `, `: Henlargement of the phallus and pubic hair develop-
; P3 o, P& {2 Rment without testicular enlargement, which was due. _$ x0 A" W0 o: C
to the unintentional exposure to androgen gel used by+ N5 L( M% l. P" q
the father. The family initially concealed this infor-
7 E. `; z7 V8 Hmation, resulting in an extensive work-up for this& A9 x: J/ _: C  Z% Q  w
child. Given the widespread and easy availability of
/ G- A5 p5 \+ Y- E8 i- mtestosterone gel and cream, we believe this is proba-
& ?( s& k' ~. t/ ?+ A/ X3 Qbly more common than the rare case report in the$ b& C4 O& r5 ?  y9 D+ U7 h' g( R
literature.4
# d9 a% R4 l: S) H& [/ P& SPatient Report% m5 T4 H+ @4 b
A 16-month-old white child was referred to the2 G% ]' q4 D$ T% d, |  {6 a( D) ^
endocrine clinic by his pediatrician with the concern0 m7 e- [: e2 d+ A& g+ h
of early sexual development. His mother noticed
$ g% J4 Q2 T' Z! W/ Rlight colored pubic hair development when he was
2 Z" s8 X' a! JFrom the 1Division of Pediatric Endocrinology, 2University of
" v$ X6 P* @: K7 cSouth Alabama Medical Center, Mobile, Alabama.
# [; y  t- D! G& i9 R( F$ m. ^8 vAddress correspondence to: Samar K. Bhowmick, MD, FACE,5 Q7 `% D( c( H% j. H- p6 p# U
Professor of Pediatrics, University of South Alabama, College of* O  w: E3 ~+ V* \
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;0 t6 U& J0 |; s2 ?. F2 D+ \  M& W
e-mail: [email protected].
  a7 U8 L* g- f+ O7 F# _6 U( Sabout 6 to 7 months old, which progressively became
) j+ A2 t  i3 F. v' S: Q1 {2 odarker. She was also concerned about the enlarge-
, C4 t. x6 u" w* H2 b+ M6 ement of his penis and frequent erections. The child0 C/ l1 i) O' E( v2 x
was the product of a full-term normal delivery, with  V* V# n% N/ E  N" t' ]6 T- i( ^- w8 g
a birth weight of 7 lb 14 oz, and birth length of
; y; T! l7 \4 a5 n20 inches. He was breast-fed throughout the first year
# q* J$ I8 @" k3 wof life and was still receiving breast milk along with
" t# f. _0 u! y( R2 W1 U  Osolid food. He had no hospitalizations or surgery,2 d' Z) B1 I5 l  Z+ e
and his psychosocial and psychomotor development; [! R% P2 P! W+ O
was age appropriate.3 z' ~6 R7 C4 K8 a: Q. C: Q  j$ a
The family history was remarkable for the father,
6 v  |6 t3 Y  V% p! F  k$ K* ~% Mwho was diagnosed with hypothyroidism at age 16,
# ?2 s" M1 h1 I% w5 l! j- f. bwhich was treated with thyroxine. The father’s
" ]2 ^# J! u0 q3 j- C9 Nheight was 6 feet, and he went through a somewhat$ f. ^$ F" L. A, {( p
early puberty and had stopped growing by age 14.
; J3 e* _0 F7 ~8 h7 q' J" OThe father denied taking any other medication. The$ a* j9 F; X, U6 Y! P
child’s mother was in good health. Her menarche
& r7 p! l  ~' C  |7 H4 Gwas at 11 years of age, and her height was at 5 feet
0 h3 A+ a1 B/ }: C4 X- B/ q5 inches. There was no other family history of pre-
! D( b& X  @0 ococious sexual development in the first-degree rela-- T3 R2 o* }4 }8 e3 I9 ^, [& D
tives. There were no siblings.1 B9 E  |! p/ W9 Q
Physical Examination
2 o4 k3 S. _$ YThe physical examination revealed a very active,: m7 D3 s1 T# X
playful, and healthy boy. The vital signs documented
$ J1 m6 D5 b% }+ Ga blood pressure of 85/50 mm Hg, his length was
) G/ Z9 N1 R4 C# p& B! G90 cm (>97th percentile), and his weight was 14.4 kg" _+ l& C( R( I9 f
(also >97th percentile). The observed yearly growth
' [  u8 z# \! S: u  hvelocity was 30 cm (12 inches). The examination of
( J" q6 f$ L0 Qthe neck revealed no thyroid enlargement.& ]1 q* A5 G/ y  d1 P% }4 ?" \2 a- G
The genitourinary examination was remarkable for
* _! L2 `$ }1 C: `) Lenlargement of the penis, with a stretched length of( q6 z2 R5 y  O8 k7 t( G
8 cm and a width of 2 cm. The glans penis was very well
- n* Q+ s% e6 v; ]developed. The pubic hair was Tanner II, mostly around
* J6 m2 l: ?: i9 _540
/ F1 Q' _9 g0 s3 Q0 @" k. Dat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
0 M( c5 C- O0 }! U3 v* Qthe base of the phallus and was dark and curled. The0 C8 B& A( j2 l8 }# E8 I
testicular volume was prepubertal at 2 mL each.2 t; j0 K6 w6 W' j4 g
The skin was moist and smooth and somewhat
5 j! i( L! P+ Y/ `. Qoily. No axillary hair was noted. There were no9 Y$ w# W; r0 c9 e+ }
abnormal skin pigmentations or café-au-lait spots.
5 e$ ?- ]: z4 E$ _5 w: E- A1 cNeurologic evaluation showed deep tendon reflex 2+/ D1 ?* ?6 n, a
bilateral and symmetrical. There was no suggestion
' U1 e& T. E, |# p$ q* pof papilledema.  J+ u- v, T6 K
Laboratory Evaluation
+ Q, k3 I8 f& i# B3 u) G+ q% z: P3 LThe bone age was consistent with 28 months by
. X) [# @9 y  w9 i2 {using the standard of Greulich and Pyle at a chrono-
) u- `& W, z, d7 ?logic age of 16 months (advanced).5 Chromosomal" o7 P) L0 s) Z  z) Q
karyotype was 46XY. The thyroid function test
4 `" S4 I! w" T) z9 b; l' zshowed a free T4 of 1.69 ng/dL, and thyroid stimu-
* m" ~7 E  {" i  mlating hormone level was 1.3 µIU/mL (both normal).
* @- E4 D7 w& s2 ]  |The concentrations of serum electrolytes, blood# @- R  z! I6 x- [( s: `8 O4 X
urea nitrogen, creatinine, and calcium all were
- q6 Z" k  m4 i: V: R4 J9 xwithin normal range for his age. The concentration4 _* C- O5 u( Q3 \, }/ ~0 s) l
of serum 17-hydroxyprogesterone was 16 ng/dL. T! b! ], S! _9 ]% D( ~+ O. I9 J& f
(normal, 3 to 90 ng/dL), androstenedione was 20/ G  H! _9 j; A  X/ Q) o
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
- k) ~6 d8 d$ ^0 b% e; L# }terone was 38 ng/dL (normal, 50 to 760 ng/dL),
; s8 l6 p  L  R4 y% idesoxycorticosterone was 4.3 ng/dL (normal, 7 to
/ J5 O$ f. e/ @3 q: i  X49ng/dL), 11-desoxycortisol (specific compound S)
- G1 l7 P1 }7 x2 G; Gwas 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-. Z+ r& j, O% \! l: e
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total( Z7 A3 s' R% X1 A2 K6 v8 g
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),& V7 H4 R9 `- S, A& c4 _* e
and β-human chorionic gonadotropin was less than1 w; y; g4 ^, N: q1 v
5 mIU/mL (normal <5 mIU/mL). Serum follicular
7 o- A; ~+ W: K9 B  a) l' V% ostimulating hormone and leuteinizing hormone9 B: v$ z" @! z9 X/ _
concentrations were less than 0.05 mIU/mL
( Y2 K' h7 x( _7 y. J7 i(prepubertal).  x% V  C5 n) c1 @, n* r/ G
The parents were notified about the laboratory
2 J9 z+ K& t; [1 }  t: gresults and were informed that all of the tests were$ n( t1 N6 G) b$ i0 M/ ^& K- R- \. e
normal except the testosterone level was high. The
3 z1 @( b% Q  X# y5 xfollow-up visit was arranged within a few weeks to  ~5 k! L2 j/ ]* |+ ?
obtain testicular and abdominal sonograms; how-! A: Y* Y* U, X: e, S  N& [
ever, the family did not return for 4 months.
# o& i/ v7 W' D5 j  y' |# \Physical examination at this time revealed that the
1 u3 p6 C3 i6 K% a/ x3 Lchild had grown 2.5 cm in 4 months and had gained3 t1 x2 g8 ?2 z& {7 ^. k! L  S
2 kg of weight. Physical examination remained9 J' }9 ~! }/ [! h
unchanged. Surprisingly, the pubic hair almost com-
3 b" b8 K3 l6 o$ N3 upletely disappeared except for a few vellous hairs at' k7 r* J/ E+ T3 }, y
the base of the phallus. Testicular volume was still 2. \1 V, d! b' e2 G* _9 ^' `8 s
mL, and the size of the penis remained unchanged.; d" G/ E  y4 ^  t; S3 v& H
The mother also said that the boy was no longer hav-( a; R- C( \7 v) b6 W: [& a
ing frequent erections.( Z2 A! \" y! S5 }) c* o/ T# T1 B
Both parents were again questioned about use of
8 h  U$ D1 U# `. O  g! U6 Gany ointment/creams that they may have applied to
$ F) H. k' e5 X9 c8 }3 L; g) bthe child’s skin. This time the father admitted the
4 o  x& t) X- NTopical Testosterone Exposure / Bhowmick et al 541  \7 t; D( ~# m3 A: `5 l4 {3 Z
use of testosterone gel twice daily that he was apply-8 ^( m0 O& i) x
ing over his own shoulders, chest, and back area for$ e8 |" o. ^7 p: M
a year. The father also revealed he was embarrassed/ I% e" d0 u, C; p' I. k
to disclose that he was using a testosterone gel pre-4 j, V9 ]+ A$ g6 S3 {
scribed by his family physician for decreased libido
" M5 b0 n0 N5 `4 y6 X: N4 ^1 `secondary to depression.9 L# u1 U. ^5 g0 {) o# _
The child slept in the same bed with parents.
- X1 e; L- J; ]. E" J! KThe father would hug the baby and hold him on his
5 c: b+ ^# Y, J+ P- Q/ Qchest for a considerable period of time, causing sig-2 J) @& ~! H, S1 g4 n# M
nificant bare skin contact between baby and father.
+ g" S2 Y% @" F+ l+ D% P7 y6 n# tThe father also admitted that after the phone call,- S' r6 W3 T% L: Y' i$ [9 @- @9 w
when he learned the testosterone level in the baby  C4 q5 {# y. ^' _7 E  B
was high, he then read the product information  \4 q0 s3 t. x$ H6 V8 [
packet and concluded that it was most likely the rea-
2 j: [. I- G) D# X9 g; m& }+ Gson for the child’s virilization. At that time, they# P! V$ Z  [  [  c6 s' N9 Y0 T
decided to put the baby in a separate bed, and the
+ h5 o& ~) s6 ]0 z+ cfather was not hugging him with bare skin and had* W( U: s$ U) V* D. e6 i6 z
been using protective clothing. A repeat testosterone
2 e2 [! d- c9 l5 F- C9 z+ ^test was ordered, but the family did not go to the
: l; s: t- ^6 o8 Q( l1 Ilaboratory to obtain the test.* ~3 D! I+ u$ Z7 @2 |5 k
Discussion
" p% _! y* g$ H4 K# I. M5 s! Q" TPrecocious puberty in boys is defined as secondary, v9 m6 U5 v  ^8 `" _3 K
sexual development before 9 years of age.1,41 k# U" h" f) m' ]0 P% L6 Q# |
Precocious puberty is termed as central (true) when
1 O, k6 L) Q0 H. E, kit is caused by the premature activation of hypo-) Y% \2 S3 C1 G! q1 ]  f
thalamic pituitary gonadal axis. CPP is more com-
. W7 M, r% _7 }  L0 H7 `, r# emon in girls than in boys.1,3 Most boys with CPP
; \+ l# D* H% O  smay have a central nervous system lesion that is
, n6 s! e* N* w2 fresponsible for the early activation of the hypothal-3 `* p( o* ?* K: a7 |+ k# I" @
amic pituitary gonadal axis.1-3 Thus, greater empha-
: {' x- h# w; U+ r+ L, a7 M3 Ksis has been given to neuroradiologic imaging in1 J" t) r, v0 b2 s9 }1 A, s- q/ |. z
boys with precocious puberty. In addition to viril-: J9 \2 j, O+ N: i1 @2 E0 u
ization, the clinical hallmark of CPP is the symmet-8 g8 d) k# P. s( b1 J% t) Z
rical testicular growth secondary to stimulation by
- E4 n* a$ n# g! A: J. w& Igonadotropins.1,3, _) `+ B$ H5 a9 z4 o5 S1 p" J& {
Gonadotropin-independent peripheral preco-
, ~5 T( u' W1 e& g" Pcious puberty in boys also results from inappropriate
+ H* B; I; b# h1 T4 Handrogenic stimulation from either endogenous or6 i& C" }: l9 @. M! c" u
exogenous sources, nonpituitary gonadotropin stim-
6 Q4 I8 [7 }; A; k7 eulation, and rare activating mutations.3 Virilizing6 ]7 ~* E* T' V+ X0 u3 e, y8 z
congenital adrenal hyperplasia producing excessive
9 m* Z6 Q" y5 u, }, J2 wadrenal androgens is a common cause of precocious; ~9 T1 }& B, f4 G* A; G
puberty in boys.3,4+ i4 q+ g3 u/ z5 |5 c: Q
The most common form of congenital adrenal9 T5 C* _8 L8 D# c& B" G- |4 K
hyperplasia is the 21-hydroxylase enzyme deficiency.) a: `' e) T0 M/ r
The 11-β hydroxylase deficiency may also result in5 t. ]  o8 w+ d, l1 j6 Q6 V; I/ r
excessive adrenal androgen production, and rarely,: `7 r- J3 d1 J& E4 M  h# G7 N
an adrenal tumor may also cause adrenal androgen( W! Z$ N7 P* ~, B, X
excess.1,3
8 v2 a# R% E( n  a/ Lat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from. I8 e. f7 p/ `( ]# `
542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
( P9 r  H1 z3 mA unique entity of male-limited gonadotropin-
6 C  [7 a; C' y0 L/ ^) d/ Rindependent precocious puberty, which is also known1 r5 g6 C! K5 X
as testotoxicosis, may cause precocious puberty at a& y$ u& @- }8 {/ q) z/ |8 p  F
very young age. The physical findings in these boys- v* q# G7 t- O3 l  a
with this disorder are full pubertal development,- J+ U4 q" Y# T
including bilateral testicular growth, similar to boys
. S8 U, [" o. n5 D0 y2 ~1 gwith CPP. The gonadotropin levels in this disorder4 d( q* w( r8 @) X/ Y. S
are suppressed to prepubertal levels and do not show9 Q2 p3 r& E0 v
pubertal response of gonadotropin after gonadotropin-+ O7 d# \: W% G% X" [
releasing hormone stimulation. This is a sex-linked" z6 J( q% A( A1 v$ x* N' U+ I5 b
autosomal dominant disorder that affects only. R8 [+ H; ~# t: K
males; therefore, other male members of the family
1 l$ k* D4 v0 |) Imay have similar precocious puberty.3
! G, Q: j7 \- @% n5 T( q% i. fIn our patient, physical examination was incon-
8 v5 t4 T# T2 f0 Msistent with true precocious puberty since his testi-
" M& S5 Q& r0 H) [cles were prepubertal in size. However, testotoxicosis* g+ @2 y" O& m; z; ?3 E7 k
was in the differential diagnosis because his father4 M' \* }  @  g7 l
started puberty somewhat early, and occasionally,2 L4 L! K  t. g; x
testicular enlargement is not that evident in the
4 u# Z0 }2 T9 j) rbeginning of this process.1 In the absence of a neg-: f) e2 @3 W0 p8 Z+ L$ }0 w
ative initial history of androgen exposure, our: ~* a$ J4 l% s* _# V
biggest concern was virilizing adrenal hyperplasia,6 j5 @5 B1 z6 V
either 21-hydroxylase deficiency or 11-β hydroxylase
" u0 h3 V4 I3 Y3 a6 I9 Hdeficiency. Those diagnoses were excluded by find-
, J; Q2 E0 d7 m/ Y6 D3 x, ming the normal level of adrenal steroids., c" T( _* F  M  U; U. h6 U
The diagnosis of exogenous androgens was strongly$ ^8 l, x; w- s3 |0 _, P' J6 {
suspected in a follow-up visit after 4 months because# a1 l  y6 C+ E  M) ]4 g* T$ V7 |+ [- x
the physical examination revealed the complete disap-
# H8 a& W# |" @) z" K3 |pearance of pubic hair, normal growth velocity, and
; L4 p# e" N  g1 O! |decreased erections. The father admitted using a testos-
8 \1 {: V5 D0 x. _/ Pterone gel, which he concealed at first visit. He was
) f) t% W' C/ Q1 h0 b+ i1 tusing it rather frequently, twice a day. The Physicians’
$ x5 r- i5 I: P/ F! x( F* CDesk Reference, or package insert of this product, gel or
4 `( {5 a1 f: f. \2 {cream, cautions about dermal testosterone transfer to2 _; Z6 i4 B% G
unprotected females through direct skin exposure.: ~# ?+ L8 e/ `& a- W$ e
Serum testosterone level was found to be 2 times the
, B, ^7 C, S) G$ Dbaseline value in those females who were exposed to9 @4 k  }( f9 [& D. ~7 p
even 15 minutes of direct skin contact with their male5 D0 u. W+ O. L- A/ y
partners.6 However, when a shirt covered the applica-5 I1 S; l0 x8 R& i
tion site, this testosterone transfer was prevented.$ h: A$ [5 b( h( Q
Our patient’s testosterone level was 60 ng/mL,
9 `1 C7 P- S1 Y* b, k/ H& bwhich was clearly high. Some studies suggest that
2 Q8 p4 ^  w# c2 w0 {  G( Gdermal conversion of testosterone to dihydrotestos-
+ }9 j3 n9 q% C0 P( k7 x2 Bterone, which is a more potent metabolite, is more  i; ?& T. t! n0 d9 @' Z
active in young children exposed to testosterone8 p# |/ x+ b; r( ]6 K# B5 o  z6 ]
exogenously7; however, we did not measure a dihy-
% E3 T" p3 M. i3 C7 \2 m- Y9 Adrotestosterone level in our patient. In addition to
% {9 f" N' h! ~/ d- G% M5 Zvirilization, exposure to exogenous testosterone in0 m- a5 U0 s: ~1 z7 P- `1 T5 O
children results in an increase in growth velocity and* Q( A1 \- h" G' `) z9 y( S
advanced bone age, as seen in our patient.
0 w9 k6 H, ?' s$ H9 ~The long-term effect of androgen exposure during
1 O% s, w3 a! o2 ?early childhood on pubertal development and final
/ l2 \+ t' i; V8 H; @; madult height are not fully known and always remain7 |2 V8 n& u; q! }" W; I- |
a concern. Children treated with short-term testos-
# _( a+ m* e/ s2 ~" Wterone injection or topical androgen may exhibit some
/ e8 s5 w' U! ?5 `# racceleration of the skeletal maturation; however, after* n& O7 R  C- ]& @3 c0 h+ H7 `& g
cessation of treatment, the rate of bone maturation
# W% m* p& l3 c7 z; E( T9 s6 A% G/ [decelerates and gradually returns to normal.8,9# ?4 s; z2 e% u1 Y7 {7 d
There are conflicting reports and controversy
, c8 b# D" e: d6 Cover the effect of early androgen exposure on adult
6 W7 O# |5 @6 n; `0 ?2 L1 }. Lpenile length.10,11 Some reports suggest subnormal
1 s& U/ x( k! N. b8 `  ]% xadult penile length, apparently because of downreg-' x% O9 C) \, x+ |& ]. K1 x2 n
ulation of androgen receptor number.10,12 However,, M9 N. o! z# A
Sutherland et al13 did not find a correlation between
2 x8 B$ h. K; |2 y/ i: }1 Echildhood testosterone exposure and reduced adult" [- Z; L  a* H  i+ Y! x
penile length in clinical studies.* T; j6 x  H0 m4 N( R% O2 K4 u
Nonetheless, we do not believe our patient is
  N& F) \# k- k1 U8 Ygoing to experience any of the untoward effects from
; i- H: q! k4 r1 Stestosterone exposure as mentioned earlier because
, R% ?# d9 ?) g  c7 v' Rthe exposure was not for a prolonged period of time.- z. ]. t- z& K, U8 G9 v- e$ m
Although the bone age was advanced at the time of' i, j2 Q# [& s" G5 W% i
diagnosis, the child had a normal growth velocity at
( N1 i/ W+ u( x2 @/ qthe follow-up visit. It is hoped that his final adult0 G# l1 c/ {4 a( N$ ]
height will not be affected./ O) Z5 j# c) K) T
Although rarely reported, the widespread avail-8 G3 A- B& P8 Q, l1 H% W! S
ability of androgen products in our society may
) ~1 ]8 G, c2 N6 k" E; l5 X% oindeed cause more virilization in male or female
  _" J& m; L! w: {' nchildren than one would realize. Exposure to andro-" a1 _: u5 \% C3 |" K7 j
gen products must be considered and specific ques-& @) ^3 C) e) ~) R
tioning about the use of a testosterone product or; [  P. K4 ?& a) N; X" P* Z) y
gel should be asked of the family members during
+ ?5 W7 {/ ^. a6 u" bthe evaluation of any children who present with vir-8 u, ?" v* }+ \* X3 ]" v0 O% Q
ilization or peripheral precocious puberty. The diag-; M+ d% ]2 B! l  E  W8 a
nosis can be established by just a few tests and by! K# [0 `3 ~3 @# \
appropriate history. The inability to obtain such a
/ B# A, s8 ]* [history, or failure to ask the specific questions, may
: g$ j5 U  M' [* zresult in extensive, unnecessary, and expensive
: T3 x3 }3 ~# S7 \8 f/ \; [% einvestigation. The primary care physician should be$ I, ^6 F6 X2 E: i- n
aware of this fact, because most of these children' f$ @# w( t) D4 u
may initially present in their practice. The Physicians’
8 w4 q/ O8 Y4 `& W9 zDesk Reference and package insert should also put a
! i1 y5 b2 `5 o$ z; Dwarning about the virilizing effect on a male or
9 _/ n% W0 b- U5 d/ l9 q; kfemale child who might come in contact with some-( q" t. d' F& M+ F: }1 ]
one using any of these products.
7 o( u& I- ^) d( Z+ B5 s: _  hReferences
) [# m/ h" v- |8 m# m' O. J1. Styne DM. The testes: disorder of sexual differentiation' }! z3 a! |1 G2 A: k
and puberty in the male. In: Sperling MA, ed. Pediatric7 d1 j8 C5 z: X2 K, K' y9 \! c1 O
Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
/ Z/ {$ ^7 w2 l7 z" F2002: 565-628.
2 r- O, D1 b. E7 f2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious* P5 j( v7 M( w$ r
puberty in children with tumours of the suprasellar pineal
發表於 2025-1-4 03:27:02 | 顯示全部樓層
Sexual Precocity in a 16-Month-Old
$ P( g, b2 v$ y) g1 XBoy Induced by Indirect Topical) z* f9 Q! O+ s" E$ Z& }9 j
Exposure to Testosterone9 Q+ b! e) }- E. j# h4 K
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
* I5 l, I2 M7 r8 t3 \% _  jand Kenneth R. Rettig, MD1- p" E& U3 o# T8 N3 a2 z! V
Clinical Pediatrics
) g) B! G6 q1 M7 A  d& E& e; OVolume 46 Number 6" r  O7 a! m9 h  h% W
July 2007 540-543
$ V4 m/ r- Q* @( A/ H$ h) l© 2007 Sage Publications% @+ }+ l) |! O
10.1177/0009922806296651- r9 V3 r5 S$ A+ J3 s
http://clp.sagepub.com. P' Z  R2 y( Y6 h* Z# X! r
hosted at4 w0 Q* w6 }' G! P6 {0 L8 C
http://online.sagepub.com) [7 L. T& P% x3 m
Precocious puberty in boys, central or peripheral,
& R. m# \2 x( e! a5 C: kis a significant concern for physicians. Central
: L/ J! |8 y6 f2 Q3 Z) N/ l' K4 fprecocious puberty (CPP), which is mediated6 ]- v& Q: g, e
through the hypothalamic pituitary gonadal axis, has7 B& S. [* D  m0 @6 b4 d# D/ a
a higher incidence of organic central nervous system
" ]" X2 L& D4 E/ M2 G$ Flesions in boys.1,2 Virilization in boys, as manifested
/ [2 t' B5 k  O& r. Zby enlargement of the penis, development of pubic- z: w9 m7 p4 T' U- U4 O* D
hair, and facial acne without enlargement of testi-. t; ^( E: }' G: D$ N
cles, suggests peripheral or pseudopuberty.1-3 We" _( C0 d1 j3 Y& l# k4 K
report a 16-month-old boy who presented with the' w6 v  `4 X# G! y" p$ q5 j' r# [
enlargement of the phallus and pubic hair develop-# q1 R& b( @! d; p5 w' d8 X
ment without testicular enlargement, which was due
4 _8 w! ?+ E/ n0 v/ X0 q5 Eto the unintentional exposure to androgen gel used by
7 W- ?; F  `* o' x4 K  ithe father. The family initially concealed this infor-
3 T1 w5 c/ |0 o" i, Gmation, resulting in an extensive work-up for this
- n0 V& v$ T: ?* v( a8 qchild. Given the widespread and easy availability of
3 r) H' U) A3 @, }testosterone gel and cream, we believe this is proba-  F( l8 k+ E( L' K) V4 M3 J' ^
bly more common than the rare case report in the# ~6 _0 L/ q# U- T; U: w
literature.4
' u* \6 t  g# P6 s7 B7 ^3 U; Z3 VPatient Report
5 Y+ I( q2 u2 i- D+ ~( _A 16-month-old white child was referred to the, a+ P: }+ m6 G5 E, M/ T  L
endocrine clinic by his pediatrician with the concern
0 J; J$ k! O. J% sof early sexual development. His mother noticed
! w. m( D( ]4 q/ ulight colored pubic hair development when he was
# E3 g. t% V" T$ J% o2 nFrom the 1Division of Pediatric Endocrinology, 2University of' E3 @5 c2 X% B; P5 }
South Alabama Medical Center, Mobile, Alabama.8 i0 B5 f7 O! \# G
Address correspondence to: Samar K. Bhowmick, MD, FACE,
0 o$ u* a6 w; NProfessor of Pediatrics, University of South Alabama, College of% w, u4 l. R" H
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;" f$ l& R3 I) S# @' k1 n
e-mail: [email protected].! D# T; {: m3 R
about 6 to 7 months old, which progressively became* c& W! h0 W# Y" ?6 L7 R6 F
darker. She was also concerned about the enlarge-$ f  _6 c( h! m2 L! K- ?- H# E; }
ment of his penis and frequent erections. The child
9 Z4 ~$ T+ i* s6 F7 [# u! i) Qwas the product of a full-term normal delivery, with2 Y( M: [0 h8 J5 \( V3 q
a birth weight of 7 lb 14 oz, and birth length of) r8 P7 N' |! @0 |! }- R' g+ l
20 inches. He was breast-fed throughout the first year
: e$ p4 ^6 x" hof life and was still receiving breast milk along with6 }. W- q2 L9 C* u
solid food. He had no hospitalizations or surgery,* S2 ^1 Q8 z9 Q5 i/ B* ~
and his psychosocial and psychomotor development9 @1 z" \) k0 h5 e1 M
was age appropriate.9 W6 \. ?9 I4 {: Y  I; ]
The family history was remarkable for the father,/ [: U& @5 h2 d4 I* Y  e* `+ f. H- B
who was diagnosed with hypothyroidism at age 16,
( r6 j/ S; t  [7 bwhich was treated with thyroxine. The father’s
: J2 B$ Q! M# k; p' Z) O- Hheight was 6 feet, and he went through a somewhat
; Q, o0 s2 t; eearly puberty and had stopped growing by age 14.
: f8 N- U% E: OThe father denied taking any other medication. The
( i7 ^+ g0 u& Jchild’s mother was in good health. Her menarche
5 T$ ^2 w% |- R' r) k( cwas at 11 years of age, and her height was at 5 feet
% H- Q& [1 ?/ s. J/ B% U; W5 inches. There was no other family history of pre-. j# s3 p, H' h( B! e
cocious sexual development in the first-degree rela-8 E0 \  a! L4 n. D4 X$ D
tives. There were no siblings.
. s1 t# R# S6 ~( j) T3 RPhysical Examination
! j# R7 s+ m5 {The physical examination revealed a very active,
2 m/ Q9 {: c' R0 {3 tplayful, and healthy boy. The vital signs documented  Q! E; M0 @2 j6 l
a blood pressure of 85/50 mm Hg, his length was$ U7 {2 E3 \( g* q
90 cm (>97th percentile), and his weight was 14.4 kg
8 n! w2 ^! v- M/ C(also >97th percentile). The observed yearly growth0 s2 ]9 Q, t& i0 v
velocity was 30 cm (12 inches). The examination of
, @2 V. _' F4 E  \: ~# Ethe neck revealed no thyroid enlargement.) \8 d6 a; K! p) s$ P: i
The genitourinary examination was remarkable for
+ B2 Z" q9 a! Yenlargement of the penis, with a stretched length of
% w! t  }" P; X8 cm and a width of 2 cm. The glans penis was very well
4 V( H4 w- u2 t$ P; ?developed. The pubic hair was Tanner II, mostly around/ l$ H- W$ n" w6 J' R; ?  ?+ u
5408 @- K& [  h) ^! p# X$ @
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from2 M  [+ c9 k3 l9 b) s& Q
the base of the phallus and was dark and curled. The# N, [. u" M3 o) ?$ h" n) \
testicular volume was prepubertal at 2 mL each.
$ Z/ E' h+ l7 z) f3 pThe skin was moist and smooth and somewhat5 j) n% m6 {* A6 Q4 q
oily. No axillary hair was noted. There were no
  M' ^2 w; N2 m* d4 ]- g; }abnormal skin pigmentations or café-au-lait spots.% `. Y# G7 \3 ]2 v- G
Neurologic evaluation showed deep tendon reflex 2+
5 o0 p, L' G* b$ q9 ~* }8 F  U9 ybilateral and symmetrical. There was no suggestion# [3 A  v: e( p8 C3 z3 V
of papilledema.
  a/ m# N4 d; P& ~8 vLaboratory Evaluation# U7 Z! B0 f7 W5 P
The bone age was consistent with 28 months by8 j% W% R0 l' b$ F! E; r3 F3 E# Y: \
using the standard of Greulich and Pyle at a chrono-
6 j# m& ~4 l/ @% K3 jlogic age of 16 months (advanced).5 Chromosomal
: S" `/ H2 o. X' }% X& K( m6 Zkaryotype was 46XY. The thyroid function test
) K$ a# G6 Y/ N- O) Ishowed a free T4 of 1.69 ng/dL, and thyroid stimu-* Y- S* `5 P9 W3 w$ E. r( L+ P& N
lating hormone level was 1.3 µIU/mL (both normal).
6 k+ J& H- E3 ^7 z  g  lThe concentrations of serum electrolytes, blood
' A' G8 c% X% e8 y- L. x, hurea nitrogen, creatinine, and calcium all were
- x1 `& }' y; Awithin normal range for his age. The concentration
5 C9 o, y1 K! w; x' Q1 Sof serum 17-hydroxyprogesterone was 16 ng/dL
! r3 ?( X2 [: r* P(normal, 3 to 90 ng/dL), androstenedione was 20! O9 }$ v/ T% Z# H& X% I) p% l
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
& J$ U# c5 \: e. e2 O" cterone was 38 ng/dL (normal, 50 to 760 ng/dL),# |. |3 k( _( ?8 O8 y4 t
desoxycorticosterone was 4.3 ng/dL (normal, 7 to
. l  k3 q! M) h2 l" O2 l9 v49ng/dL), 11-desoxycortisol (specific compound S)
1 A  a; N; `) J" z; B2 I5 Rwas 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-4 s) ?0 q5 _+ Y* n9 \4 C: s' s9 H4 ?" t0 j
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
, M$ k2 ^& H$ b; a. etestosterone was 60 ng/dL (normal <3 to 10 ng/dL),2 D( c5 O3 A3 b$ w' n
and β-human chorionic gonadotropin was less than: G+ I/ q9 B1 W2 c: A
5 mIU/mL (normal <5 mIU/mL). Serum follicular4 g- p/ R9 ?9 S
stimulating hormone and leuteinizing hormone; S/ ], }5 }0 p$ S3 _
concentrations were less than 0.05 mIU/mL
- J3 S/ M' Q1 T0 x3 X- j(prepubertal).  ^; H6 j: U2 g
The parents were notified about the laboratory
& R* `! \; S# Jresults and were informed that all of the tests were# E8 i" Z6 B7 G- K: [: s
normal except the testosterone level was high. The
7 A, X( E* {8 a' L& B: B# W# V/ w8 `follow-up visit was arranged within a few weeks to
6 g& M4 ?  ?% y9 B- v4 g) e3 cobtain testicular and abdominal sonograms; how-
. ^6 P8 r% i/ }7 D  u. @* G! aever, the family did not return for 4 months.. t, _1 H6 a9 j. W  P
Physical examination at this time revealed that the
0 v. k7 B( ?8 w& l2 z, _+ L( echild had grown 2.5 cm in 4 months and had gained, g0 [# d6 [2 a
2 kg of weight. Physical examination remained. t( I. ], Z4 t- P1 W
unchanged. Surprisingly, the pubic hair almost com-* v" t4 H; G1 Y+ P/ L5 K
pletely disappeared except for a few vellous hairs at. Q! E* Z  ^/ \: r% h9 a: s' h( H
the base of the phallus. Testicular volume was still 2
5 f7 l  V: T; l9 K' ]mL, and the size of the penis remained unchanged.2 d& z9 F# a2 p+ H) B/ Y1 y1 f
The mother also said that the boy was no longer hav-2 V/ x. Y; g2 \+ R
ing frequent erections.
4 `/ p6 Q; X7 L( Q) b4 zBoth parents were again questioned about use of
  t8 y* Y$ p4 [any ointment/creams that they may have applied to
$ r+ s9 f% n" a1 n( {% A% I& `the child’s skin. This time the father admitted the
. W0 B8 z" |+ E- g! ^( v3 u" s& ]7 |6 ATopical Testosterone Exposure / Bhowmick et al 541
' d% @6 n2 _+ a% ause of testosterone gel twice daily that he was apply-. N% E1 ?4 a0 {* g, F5 S/ }0 z
ing over his own shoulders, chest, and back area for1 q! k  V2 [% d' F# L/ ?
a year. The father also revealed he was embarrassed& C. X" y# x+ q. }$ O9 r8 x
to disclose that he was using a testosterone gel pre-  S. l, s7 g1 s, h. {
scribed by his family physician for decreased libido1 A7 `% m+ v# ^: ^
secondary to depression.
8 O1 C8 G( Z& {: Q/ qThe child slept in the same bed with parents." M- j  t$ {) o8 O' u
The father would hug the baby and hold him on his
+ N, Y6 ?3 ?5 X6 a: X$ `/ Hchest for a considerable period of time, causing sig-
) i& R) ], _: f7 _nificant bare skin contact between baby and father.  u5 P3 F6 W/ f; f
The father also admitted that after the phone call,: y+ S$ Q2 `+ c* c
when he learned the testosterone level in the baby
7 p0 p* @( D6 [" n8 M' fwas high, he then read the product information6 c+ \( t9 y( r+ V% j' v+ ~
packet and concluded that it was most likely the rea-
4 O" `+ z. I, Z, V5 Rson for the child’s virilization. At that time, they
! G: A  h9 y4 Q$ {3 gdecided to put the baby in a separate bed, and the
0 q% J1 ?" p! `3 {+ @father was not hugging him with bare skin and had
# ~# o2 }' x. l) ?9 ?' tbeen using protective clothing. A repeat testosterone% X: e" ^( s! W$ M  A. Y
test was ordered, but the family did not go to the# I2 l7 y, n$ ^: I
laboratory to obtain the test.
" J5 c, L2 s) z5 i  WDiscussion8 l3 B7 K0 B1 D2 T: R4 S/ M6 }
Precocious puberty in boys is defined as secondary
1 }: ~: M* ~& W7 ]6 y: e. m+ n6 wsexual development before 9 years of age.1,4" Q+ r3 c; S9 D7 t8 A
Precocious puberty is termed as central (true) when* |8 ?+ x$ w. i+ q
it is caused by the premature activation of hypo-5 E. s& n7 _3 O5 j: W3 F1 q
thalamic pituitary gonadal axis. CPP is more com-
: k  i6 G: b" l& J  ]* Wmon in girls than in boys.1,3 Most boys with CPP( q4 T% ]! P4 b" `9 Q4 i! H" O( J
may have a central nervous system lesion that is
9 }* [4 \/ U9 E# k$ X% Q( [responsible for the early activation of the hypothal-3 |! y) b% v# `$ ?9 R$ ^
amic pituitary gonadal axis.1-3 Thus, greater empha-: u, s  O" ~' s  O" u
sis has been given to neuroradiologic imaging in
# V. p6 |! a$ p, Z# |6 T$ |* aboys with precocious puberty. In addition to viril-
! ~8 o& k5 ]+ `8 e" v' u0 m/ Cization, the clinical hallmark of CPP is the symmet-5 \6 \' q2 r" s: u$ y$ @
rical testicular growth secondary to stimulation by
: a$ r- V6 e% j: V( I. x8 e: Hgonadotropins.1,3
5 s3 I7 n0 g. _4 D; n, y* EGonadotropin-independent peripheral preco-
  M( M4 `: R2 [! b0 h' A, q0 dcious puberty in boys also results from inappropriate2 s3 H* g# X( }2 j) k2 z+ D4 y# }
androgenic stimulation from either endogenous or
4 T( S8 Y0 l/ J! x; bexogenous sources, nonpituitary gonadotropin stim-% Q0 E0 y9 D. R" v8 b
ulation, and rare activating mutations.3 Virilizing
) C* S- V, ^, L  A: i" t) Econgenital adrenal hyperplasia producing excessive
. s2 H; F+ K1 {8 d" O, r# Iadrenal androgens is a common cause of precocious3 X$ s* y& g. K$ v7 h9 P3 @) j
puberty in boys.3,4
8 F, w  f. c' u3 T3 m8 ^/ xThe most common form of congenital adrenal% V5 T* c* q; s4 W5 U
hyperplasia is the 21-hydroxylase enzyme deficiency.
4 c/ F9 J9 t/ O/ iThe 11-β hydroxylase deficiency may also result in
0 U8 l/ i7 W. U% K7 `excessive adrenal androgen production, and rarely,
* G: a2 g+ H6 v% f  A8 tan adrenal tumor may also cause adrenal androgen
; v( i8 E) B. u9 _1 Uexcess.1,3& g- X7 k" A. N* p
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
3 q* z' ^, S6 b/ m& y* G542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
% \3 X) A3 g# @7 v) {A unique entity of male-limited gonadotropin-. t' A) Y5 W6 }3 I3 ^" {
independent precocious puberty, which is also known8 b: {& Q  Z- w/ m. L* ?2 ~) Y8 S
as testotoxicosis, may cause precocious puberty at a
) F" `# t& b% C; ^very young age. The physical findings in these boys. z5 L. P3 L+ R  n
with this disorder are full pubertal development," j' L/ p1 _( `' q* ?) q
including bilateral testicular growth, similar to boys
3 q  Q3 G' W: U0 i" K/ J( ?with CPP. The gonadotropin levels in this disorder; \! O, Q7 M7 m% e3 L( N
are suppressed to prepubertal levels and do not show* b# e6 d6 g( ^% \
pubertal response of gonadotropin after gonadotropin-6 z. V* Q" O% E5 o) S# @* _
releasing hormone stimulation. This is a sex-linked
" N- Y% b5 S( V* F# m# Q- mautosomal dominant disorder that affects only
0 K6 B0 w/ d+ j7 imales; therefore, other male members of the family" P* C+ Z4 F0 {! B. M0 D
may have similar precocious puberty.38 j" X! A- }0 @3 N; l3 i
In our patient, physical examination was incon-/ T# W0 V; C$ Y
sistent with true precocious puberty since his testi-
  I  X; q# q3 q6 ?1 Qcles were prepubertal in size. However, testotoxicosis
3 |# c' R, Q; @was in the differential diagnosis because his father
/ B8 U! A3 T; B5 ]& r- sstarted puberty somewhat early, and occasionally,8 Z" B  W, b$ L( p! A( V; D
testicular enlargement is not that evident in the! ?7 B; E3 |4 e) v9 K0 e8 u* F1 ^( D
beginning of this process.1 In the absence of a neg-
, O+ |+ Z: t5 Kative initial history of androgen exposure, our
/ j% C: Z( c0 K6 e2 r: ^$ N9 B) B% ]biggest concern was virilizing adrenal hyperplasia,
: d1 ^/ \6 p6 l9 J) r1 Reither 21-hydroxylase deficiency or 11-β hydroxylase
3 c4 @0 L1 T  R, Q# Qdeficiency. Those diagnoses were excluded by find-3 a& R+ }0 r" B9 S3 T
ing the normal level of adrenal steroids.
! o; Y% p' Z' X  A6 G- M' MThe diagnosis of exogenous androgens was strongly+ `5 `; W5 @3 c1 P- V6 B7 i! M
suspected in a follow-up visit after 4 months because
" J. d9 q5 ]5 ?9 g9 Othe physical examination revealed the complete disap-; X' y' o) I+ s3 S( [5 r- i
pearance of pubic hair, normal growth velocity, and
8 L+ C8 a6 ], o8 P) Q1 Sdecreased erections. The father admitted using a testos-! f5 Q$ h' h; O+ p, s- H8 P3 H% `
terone gel, which he concealed at first visit. He was$ E, v3 j! f3 P" p) ^- ]
using it rather frequently, twice a day. The Physicians’" ]/ L' A! ?! _
Desk Reference, or package insert of this product, gel or
) h( g, A& n, u- J) U4 X! y" vcream, cautions about dermal testosterone transfer to5 H# W: C  `" P
unprotected females through direct skin exposure." w' a! [9 v6 H& y' ?
Serum testosterone level was found to be 2 times the
: l8 z* }  E$ r$ q+ hbaseline value in those females who were exposed to
/ {0 G; ]/ s; keven 15 minutes of direct skin contact with their male
# {/ Y8 L: y' u' @3 c/ R! Dpartners.6 However, when a shirt covered the applica-" r/ I9 E0 L6 t3 ?' N# t9 ~
tion site, this testosterone transfer was prevented./ M% H( M% N, n# Y* l
Our patient’s testosterone level was 60 ng/mL,
" t* n& \- n( ~6 ?+ I( _7 U% n! hwhich was clearly high. Some studies suggest that1 K7 Q2 I$ N2 n1 [- d/ l6 k
dermal conversion of testosterone to dihydrotestos-6 q  U% r1 _( t
terone, which is a more potent metabolite, is more3 b4 _) U9 R5 y. g4 Q
active in young children exposed to testosterone* I; `' @0 O/ a" L" }: b
exogenously7; however, we did not measure a dihy-; G0 W8 W/ `; Z9 c8 J
drotestosterone level in our patient. In addition to
0 }7 j- T- U/ X. S' Lvirilization, exposure to exogenous testosterone in1 W' ]- N/ O: {$ M9 p6 b
children results in an increase in growth velocity and
  U' d9 @3 t5 _) V8 [& kadvanced bone age, as seen in our patient.
( k7 I$ H" S7 H% @The long-term effect of androgen exposure during/ E  S7 l5 F4 \) ?
early childhood on pubertal development and final
' t1 x* @9 W7 z5 Q+ A4 radult height are not fully known and always remain% @/ z$ w2 d) C8 f
a concern. Children treated with short-term testos-, Y7 H2 K! G6 ^  Q0 z& d3 i/ O
terone injection or topical androgen may exhibit some
( \3 M7 y- @5 ^0 F- tacceleration of the skeletal maturation; however, after. l7 d6 V* F+ P. l, K
cessation of treatment, the rate of bone maturation! w& `& _+ B0 t& e) }; _* J
decelerates and gradually returns to normal.8,9
  q: k( b8 T$ w& \( e- s, U- ^There are conflicting reports and controversy7 y  r7 w4 j. w' c+ k
over the effect of early androgen exposure on adult" b9 R8 \& H0 Z: p8 O  b
penile length.10,11 Some reports suggest subnormal; r! f2 T; b& c2 f6 s, w
adult penile length, apparently because of downreg-
$ c1 e. `* u6 S' ?9 k' e2 B' Xulation of androgen receptor number.10,12 However,
% K3 u% i3 V  d. Q- u+ i; w% k  kSutherland et al13 did not find a correlation between. }7 k5 r, B% K
childhood testosterone exposure and reduced adult
8 L9 N8 b' ^& Q7 Y- Kpenile length in clinical studies.6 b8 |0 n" |1 R- _
Nonetheless, we do not believe our patient is$ ?0 j- x- _! d) {8 B2 b, \
going to experience any of the untoward effects from: Z  i7 n# R& r/ V
testosterone exposure as mentioned earlier because
3 N. F9 G- h' o% V" ythe exposure was not for a prolonged period of time.
# R9 a! F7 N) Q! N2 P7 D% P3 u- S8 a. sAlthough the bone age was advanced at the time of2 R6 A, D9 G( Z$ H# E
diagnosis, the child had a normal growth velocity at+ w& a* w* C2 R" p
the follow-up visit. It is hoped that his final adult
: D" B3 F' m3 g: _height will not be affected.
1 ~! S0 }% i: x& {! C' r4 \Although rarely reported, the widespread avail-
' S5 O. I7 @- Nability of androgen products in our society may
2 A; y: z  ]9 Iindeed cause more virilization in male or female
/ k. {/ f% e% \+ c5 q! Wchildren than one would realize. Exposure to andro-
# I, d/ q1 \3 E" kgen products must be considered and specific ques-3 I- A* p6 D) i4 @& [
tioning about the use of a testosterone product or- _  e( X# E; Z0 N  `
gel should be asked of the family members during, [3 ?+ p6 |! T5 A
the evaluation of any children who present with vir-
6 l$ ~2 [2 H9 f8 S% qilization or peripheral precocious puberty. The diag-
3 ]' s/ G: i% B$ k+ G3 G1 Y: anosis can be established by just a few tests and by0 D4 K3 N/ A: m* Q6 l  n
appropriate history. The inability to obtain such a
0 U' _1 R3 C& mhistory, or failure to ask the specific questions, may
5 B* I4 B: F; i+ V+ E$ k5 _result in extensive, unnecessary, and expensive4 H  ^" I3 x" d! ?  V0 B9 j
investigation. The primary care physician should be, g  {2 X  _& Y' y
aware of this fact, because most of these children
) s8 V+ v' k& J- rmay initially present in their practice. The Physicians’) |* Q+ g. p/ U  U
Desk Reference and package insert should also put a* J( a2 J  O5 Y4 f, m& Q" M
warning about the virilizing effect on a male or1 C( s# _6 n! R. C0 f
female child who might come in contact with some-# Z) b5 z3 h1 A4 f6 b
one using any of these products., d) `' b" s4 q" e
References& f0 O* M- D8 e8 C2 w
1. Styne DM. The testes: disorder of sexual differentiation
  V- P- p9 ?7 J  [1 C- J  H0 Gand puberty in the male. In: Sperling MA, ed. Pediatric
% ~5 q7 ~: m. m: X9 K1 O+ m8 tEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
3 I4 _' h5 u. N) z! V3 m5 l, f, h2002: 565-628.$ l4 O1 p" W8 ]+ K7 j4 z/ ^
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
0 w; @- p1 H* e* kpuberty in children with tumours of the suprasellar pineal
發表於 2025-1-11 22:18:01 | 顯示全部樓層
女厕偷拍辅导班主任尿尿老师的逼很嫩还有一点
發表於 2025-1-17 16:31:39 | 顯示全部樓層
4个什么样的?
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) i3 q% I% F5 o: }2 v* `3 c3 d精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
發表於 2025-3-11 12:31:56 | 顯示全部樓層
么好吧v进化过程就回国参加发uft成就和;哦i回来就好v科技股份兄弟人的 路由公开vu个v库每年b
發表於 2025-4-8 11:10:25 | 顯示全部樓層
精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
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