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Sexual Precocity in a 16-Month-Old
. f: C& g2 K5 \) ^, K8 N* I- HBoy Induced by Indirect Topical
& y5 g4 C: c2 M3 o: s0 s9 n2 k9 VExposure to Testosterone3 w7 e, C; I# G) D
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,22 g; m, ~% d# i9 O2 F, g2 B7 l5 U& J
and Kenneth R. Rettig, MD1, A6 F$ d% H( C3 x2 R( W1 C
Clinical Pediatrics
" M, t$ Z' P4 F6 }) J6 f0 oVolume 46 Number 6
9 C: _/ v L! `July 2007 540-543, a0 N' n# B" l/ A
© 2007 Sage Publications
$ z3 n, J" r3 r. m3 B* X, t10.1177/0009922806296651
( L5 ?% V1 P9 q! ^* }3 ?5 @3 ahttp://clp.sagepub.com
5 y* K* |5 a- L% R" f$ khosted at; i6 H6 ^! }: l& \0 j+ P+ J) I
http://online.sagepub.com: v' a# ~ ?% W2 c# }
Precocious puberty in boys, central or peripheral,
2 G+ b+ o. N* I: {. O" V& r5 X0 G, I ]is a significant concern for physicians. Central
) z' u6 v4 v! ? }3 i) J0 aprecocious puberty (CPP), which is mediated
( t4 H& d! T& H' ?! D8 C7 e' `through the hypothalamic pituitary gonadal axis, has
; Q0 b4 Z+ \5 }2 a e$ Na higher incidence of organic central nervous system6 a8 Y/ Y4 Y. Q3 s
lesions in boys.1,2 Virilization in boys, as manifested
8 h! Q; n" C X" L r9 v) \# K; Yby enlargement of the penis, development of pubic
0 H$ s% i; L0 e/ [2 z5 ~) |& khair, and facial acne without enlargement of testi-0 Z5 i' ~. V" B6 Z
cles, suggests peripheral or pseudopuberty.1-3 We
: a3 K8 q0 x8 |3 kreport a 16-month-old boy who presented with the
% l G* Q1 z3 a9 x/ j, venlargement of the phallus and pubic hair develop-
5 X3 D9 D0 G8 ~4 d: v- d0 Ument without testicular enlargement, which was due
3 r4 }* s, F# {% @) hto the unintentional exposure to androgen gel used by
& L' A4 n' d; E3 R7 E# x& cthe father. The family initially concealed this infor-9 M! {" k6 O$ U
mation, resulting in an extensive work-up for this1 m; J7 r" O) J0 U( a
child. Given the widespread and easy availability of5 o; p7 A, E" z P
testosterone gel and cream, we believe this is proba-
! b: u, R+ |1 R# o0 n3 @bly more common than the rare case report in the
5 t# B' q* h" [literature.4
+ z; m' V4 w5 ^, r! d6 R8 H' s8 P8 ^Patient Report
, R: o1 J+ F' s$ C- v6 KA 16-month-old white child was referred to the
$ F! y3 E+ _/ Eendocrine clinic by his pediatrician with the concern( C( c3 c/ i" X
of early sexual development. His mother noticed' i7 {% @# ~: P/ ]" X. Z
light colored pubic hair development when he was
/ w+ B$ p: @* @- s: E# a; DFrom the 1Division of Pediatric Endocrinology, 2University of
, z& H4 L7 l- _2 ZSouth Alabama Medical Center, Mobile, Alabama.
$ k+ v" O9 Q3 G+ F9 D8 y2 rAddress correspondence to: Samar K. Bhowmick, MD, FACE,
: m' ]& ~; c! F7 K0 x7 W# V- nProfessor of Pediatrics, University of South Alabama, College of" p# ^, c( X9 ?% k" ?% {: I! E
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;
. { F# q% ~! w( t) ve-mail: [email protected].$ Z; V& L' \! j& d& k
about 6 to 7 months old, which progressively became
9 ]/ @' X' j$ C7 L1 Vdarker. She was also concerned about the enlarge-
) C; r( B# M/ v& [% f( W( `; R( ]ment of his penis and frequent erections. The child% n9 n/ ?$ o8 S( w) n
was the product of a full-term normal delivery, with
( H. `$ F+ _' C! W# v o- |a birth weight of 7 lb 14 oz, and birth length of
6 ]& Q' S; k7 A7 \ Z" b) ?20 inches. He was breast-fed throughout the first year9 w. T c1 M' \( r2 _ L, l; o5 M
of life and was still receiving breast milk along with7 D) J! _ O7 A1 \+ C
solid food. He had no hospitalizations or surgery,
/ V7 G2 f. ?1 o% s; c% G- Hand his psychosocial and psychomotor development- y" [0 [4 y7 F; R
was age appropriate.; q0 w! z5 [. _% K" Y/ S
The family history was remarkable for the father,
: A, a+ b, a: Q+ Twho was diagnosed with hypothyroidism at age 16,
# y* q* e7 J& Twhich was treated with thyroxine. The father’s3 a5 J) T) V0 A% O. g
height was 6 feet, and he went through a somewhat8 A6 V2 q9 y m, J
early puberty and had stopped growing by age 14.
, p9 _( s' l7 }9 f8 JThe father denied taking any other medication. The
) H ~& ]) M7 ^+ b9 x: A0 rchild’s mother was in good health. Her menarche
" i4 W* j. K& F6 b5 Ewas at 11 years of age, and her height was at 5 feet
; x5 J# u' O/ Z0 V. e K5 inches. There was no other family history of pre-
# U2 ]) l# A2 `) G8 [) V" ]% Acocious sexual development in the first-degree rela-5 O8 b* i0 P2 |! \( X t
tives. There were no siblings.
: u6 W' e- Y vPhysical Examination
, t& U- ?, Y6 t; b$ GThe physical examination revealed a very active,
7 w+ p% J$ p; ?6 t1 y1 ~0 O' m$ lplayful, and healthy boy. The vital signs documented$ T t3 O0 X7 x) |
a blood pressure of 85/50 mm Hg, his length was
- ^; {+ A$ _+ W* I2 Z6 ]/ ?90 cm (>97th percentile), and his weight was 14.4 kg
) a- n4 l; s! o8 k' _& J s(also >97th percentile). The observed yearly growth
8 j" {7 R; Q Fvelocity was 30 cm (12 inches). The examination of
1 _/ H A; y. K5 Uthe neck revealed no thyroid enlargement.
9 S1 D. H- b) r( ?The genitourinary examination was remarkable for
3 V2 n7 w0 ]' o! y2 }& C* {enlargement of the penis, with a stretched length of
7 E) T; ]8 h/ ?8 cm and a width of 2 cm. The glans penis was very well
& z) w4 a9 B) J3 rdeveloped. The pubic hair was Tanner II, mostly around
9 S" ^0 M, T' G540
4 E& S+ [- o- w" k. \$ xat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
' U6 H/ x4 c$ T, Q, ]& N$ _3 c- Sthe base of the phallus and was dark and curled. The5 Y2 r+ X/ ~& M8 S0 E8 K8 }
testicular volume was prepubertal at 2 mL each.
1 X; I- h- {5 OThe skin was moist and smooth and somewhat
. l- ]/ O" ]9 u0 d* }oily. No axillary hair was noted. There were no' h. f0 r& I6 |* \0 J2 ^3 e, o1 u
abnormal skin pigmentations or café-au-lait spots.$ X, Y: t4 z8 ]" l
Neurologic evaluation showed deep tendon reflex 2+0 a8 A% ^5 F2 v8 }
bilateral and symmetrical. There was no suggestion% y* o/ o; |+ a. K: Q# F' R1 j
of papilledema.2 u$ ?% P: `7 f- c9 p
Laboratory Evaluation
8 M3 { F( E4 Z2 Z* r2 ~& n; wThe bone age was consistent with 28 months by; ~* A1 H& \- d [8 Y3 Y+ _9 S; x
using the standard of Greulich and Pyle at a chrono-
& T, R! W. w3 z* v5 T- f9 blogic age of 16 months (advanced).5 Chromosomal
8 |- Z4 @% i" pkaryotype was 46XY. The thyroid function test
' t) ]8 e4 Q+ S3 p5 i9 rshowed a free T4 of 1.69 ng/dL, and thyroid stimu-8 J1 J3 `6 [' m+ v2 P6 Y# a3 P$ Y
lating hormone level was 1.3 µIU/mL (both normal).4 D% j( V1 O3 {3 H6 s& s% {
The concentrations of serum electrolytes, blood
$ Z5 ]& D% @ n T( Z2 Turea nitrogen, creatinine, and calcium all were7 J; e% s, c: t- s7 ~) p1 c& ^' ]2 G% v5 d
within normal range for his age. The concentration
/ p$ M) c* r# \9 fof serum 17-hydroxyprogesterone was 16 ng/dL0 u, C M* o) D
(normal, 3 to 90 ng/dL), androstenedione was 20
, b( w# [0 B9 l, Lng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
* X4 Z7 k O, ^) ~ u2 h, H+ X) kterone was 38 ng/dL (normal, 50 to 760 ng/dL),
* f; w5 x5 E' K0 n# Sdesoxycorticosterone was 4.3 ng/dL (normal, 7 to
: K2 \5 v$ p4 m- Q49ng/dL), 11-desoxycortisol (specific compound S)
8 O( G4 D, n7 }4 ]. k$ R' B/ i# Mwas 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
9 o3 [8 p0 p: V9 u" |8 Vtisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total* {5 ]( H6 m3 X( E. ]
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),
4 h7 }8 _9 i: s; W' `* ^% W. T% c, cand β-human chorionic gonadotropin was less than- O$ @% b0 M. q; p4 [
5 mIU/mL (normal <5 mIU/mL). Serum follicular
; \' p3 {& q& q9 ]" Sstimulating hormone and leuteinizing hormone
3 G3 b7 D; {" W9 C$ D$ O9 }concentrations were less than 0.05 mIU/mL( L. u* C; ^) K# Z5 C- Q
(prepubertal).1 }" W E' W8 \2 ~$ Z
The parents were notified about the laboratory6 V2 C* f: A' G1 o3 F _
results and were informed that all of the tests were& M \1 S# X* Z2 l# L3 a
normal except the testosterone level was high. The
' I2 a0 E* t$ b3 efollow-up visit was arranged within a few weeks to
; ~, |- p. |- g4 G0 dobtain testicular and abdominal sonograms; how-! V7 c: G1 ~. u7 \0 U
ever, the family did not return for 4 months.- f8 X/ m5 ]; f" F0 B
Physical examination at this time revealed that the; `7 f, f9 J9 ^! {' q) z, ^
child had grown 2.5 cm in 4 months and had gained, D7 E" v& F1 `. H* I) ^# p
2 kg of weight. Physical examination remained
- |9 X1 s& }3 I+ S* d' @unchanged. Surprisingly, the pubic hair almost com-
8 O* G8 {4 b- F" spletely disappeared except for a few vellous hairs at9 c7 q& d; G- z& ]5 S0 p+ A1 V0 G
the base of the phallus. Testicular volume was still 2; J3 s" X6 K4 r* p4 [: Y/ N& g
mL, and the size of the penis remained unchanged.
# q% u- }# k3 B5 ^2 A5 DThe mother also said that the boy was no longer hav-/ n+ b0 R5 k0 }, _
ing frequent erections.
4 _; B$ n8 L. `0 p2 k4 o. kBoth parents were again questioned about use of; k( e# K8 h& M9 g" }$ Q; _ c
any ointment/creams that they may have applied to
# g0 @* _7 R! Z; ^the child’s skin. This time the father admitted the
# p) c6 S4 S/ lTopical Testosterone Exposure / Bhowmick et al 541
5 w O2 Y$ T4 h' c6 g+ O$ \use of testosterone gel twice daily that he was apply-
' R1 {+ c7 k+ ^: n$ p" Ming over his own shoulders, chest, and back area for
) R. C L0 s! x2 b, Ba year. The father also revealed he was embarrassed
1 T4 y, O, ~) Gto disclose that he was using a testosterone gel pre-; ]0 r7 R. ~2 ^- G& p
scribed by his family physician for decreased libido
! l0 j" i8 [3 o% Y7 }% Ysecondary to depression.
) X/ z6 Q+ K7 F1 ^) r; C# Q& `The child slept in the same bed with parents.
, G) R. T! a! J3 Q- J" ]+ SThe father would hug the baby and hold him on his4 r* |6 R# ~; [; ~1 ]* _3 g0 x
chest for a considerable period of time, causing sig-
4 B- {" o8 G- \$ v6 p2 \nificant bare skin contact between baby and father.
3 M7 b, y6 Y( n3 `+ k( E7 U# S3 |The father also admitted that after the phone call,
* c2 x1 T' i) {( `( }when he learned the testosterone level in the baby
5 i; ?2 d7 q: |0 |$ K- nwas high, he then read the product information
1 R5 t' v% w( {% m9 N2 q+ ~& D3 npacket and concluded that it was most likely the rea-
" e+ [: l' E2 s6 ~; K% wson for the child’s virilization. At that time, they
$ @' j2 P# c9 B) n& ]decided to put the baby in a separate bed, and the, E- C& q% A3 ?0 P: Y& P+ d9 h, }
father was not hugging him with bare skin and had- w) y0 R, ]; @! `4 M0 ?1 u
been using protective clothing. A repeat testosterone
* } c+ C* L$ P. L2 G* N# itest was ordered, but the family did not go to the
) y8 v1 u5 o: i I8 ]# ~laboratory to obtain the test.- X/ c5 s ^# `4 [5 ?- s8 Y7 a8 g
Discussion |" A4 W1 U+ s& t5 _
Precocious puberty in boys is defined as secondary
2 @+ O2 i4 ]- \8 q0 c+ R4 Ysexual development before 9 years of age.1,43 Y/ Y& ~2 h$ m, _$ U0 F- ~; i7 d' g7 N
Precocious puberty is termed as central (true) when
. `- |0 k. n- m% F& Eit is caused by the premature activation of hypo-- C( M, g" c2 O. A2 {) X7 l r
thalamic pituitary gonadal axis. CPP is more com-
/ z* `- @& A$ vmon in girls than in boys.1,3 Most boys with CPP
) F8 k4 q$ w4 r K6 omay have a central nervous system lesion that is
' F3 y8 b. M1 x% P4 Qresponsible for the early activation of the hypothal-5 `# C, P6 e% |" D f
amic pituitary gonadal axis.1-3 Thus, greater empha-
' C& ]! G& W: h% j( c) h0 asis has been given to neuroradiologic imaging in, j+ X4 s a+ z5 i" P6 x! P- O" {
boys with precocious puberty. In addition to viril-6 k4 Z7 k, t4 D5 O4 H) p# ?
ization, the clinical hallmark of CPP is the symmet-
) e) C& \8 |9 Yrical testicular growth secondary to stimulation by( \2 f+ s, d5 p
gonadotropins.1,3
8 f6 [( B) g7 E$ B* E. G3 G5 ?Gonadotropin-independent peripheral preco-
) e4 z$ n$ H! Vcious puberty in boys also results from inappropriate. N: K- y6 ~' U
androgenic stimulation from either endogenous or
8 V3 M$ W) X4 L5 B+ i: f0 D% gexogenous sources, nonpituitary gonadotropin stim-6 b) I, [# z- d$ \
ulation, and rare activating mutations.3 Virilizing) R* j& y( ^. @
congenital adrenal hyperplasia producing excessive C H& l2 _6 ?( \% X& O1 ^; x6 V
adrenal androgens is a common cause of precocious' m5 x4 U6 }' R" Q# H
puberty in boys.3,45 ]) G3 Z; Y5 ]; T
The most common form of congenital adrenal: j8 ~4 v' `" F6 w; f9 s
hyperplasia is the 21-hydroxylase enzyme deficiency. w( Y' R# ^; h6 ~5 b
The 11-β hydroxylase deficiency may also result in
* \/ A( X. c0 I3 q3 k$ Eexcessive adrenal androgen production, and rarely, K; H# ~) d1 ?
an adrenal tumor may also cause adrenal androgen: `$ c5 w( w: L' [# e( Z
excess.1,3
6 T" y$ S! F! y# e# D- dat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from v3 `6 S# a7 U; C9 I# V+ p5 B7 Y
542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
' Q* B3 o0 R+ R' ]7 m x5 z; @" ~A unique entity of male-limited gonadotropin-
9 O+ C" `' R+ K, windependent precocious puberty, which is also known9 D0 m* i1 q% |
as testotoxicosis, may cause precocious puberty at a
9 z0 o6 F6 m5 _2 ^- Bvery young age. The physical findings in these boys: h6 `& a8 e% a2 M% z9 N, P
with this disorder are full pubertal development,0 b6 X7 ]7 U/ Q0 S6 O7 E# m3 V+ M
including bilateral testicular growth, similar to boys
8 n1 [2 q' l& W0 `with CPP. The gonadotropin levels in this disorder
" U+ B2 c: r) ]' t" v3 Nare suppressed to prepubertal levels and do not show
* A5 x# M: \. z) @8 Zpubertal response of gonadotropin after gonadotropin-
! G: c' ^1 D" Z$ {releasing hormone stimulation. This is a sex-linked6 J0 }7 T( S8 x8 e
autosomal dominant disorder that affects only
4 ~; R( I7 R; C$ t$ @, @males; therefore, other male members of the family* }; ^0 p4 |( X. I2 @, S
may have similar precocious puberty.3. d& y) S1 U( a5 y+ w
In our patient, physical examination was incon-% r- P7 ^4 F9 o% ~. m
sistent with true precocious puberty since his testi-+ e/ O! J7 x5 o& P" b& ?
cles were prepubertal in size. However, testotoxicosis
9 h0 D* R# u" `: e, ?was in the differential diagnosis because his father
# e0 H8 {% C- F4 c. istarted puberty somewhat early, and occasionally,
0 C( d+ a. _* G5 y7 a, Vtesticular enlargement is not that evident in the
/ V8 p# h; r* l, L) r; Pbeginning of this process.1 In the absence of a neg-4 T3 t! c- q) \0 g
ative initial history of androgen exposure, our; k' b4 h/ i" f( U
biggest concern was virilizing adrenal hyperplasia,
& ]4 h/ P7 _6 o. c# M0 N: E* eeither 21-hydroxylase deficiency or 11-β hydroxylase
9 e; a i# t% Y. }. J. c) j" qdeficiency. Those diagnoses were excluded by find-. e' E5 _' N0 d# n3 P, c
ing the normal level of adrenal steroids.- b! h; D- |5 g0 b$ j2 ~0 p
The diagnosis of exogenous androgens was strongly, {- z& |8 z8 W( i8 s+ U' I( h
suspected in a follow-up visit after 4 months because/ e( z/ q6 K' F7 b+ ?4 b) e
the physical examination revealed the complete disap-
' h% @$ s) V8 A7 epearance of pubic hair, normal growth velocity, and8 }" M7 A4 t! O" y, e# l5 K P" h
decreased erections. The father admitted using a testos-
3 S8 b5 K9 w' e3 N" Wterone gel, which he concealed at first visit. He was
& ~ e* g4 v& K' ?& K( R( M, D0 qusing it rather frequently, twice a day. The Physicians’
. b S' O; W2 l0 ^. o5 zDesk Reference, or package insert of this product, gel or) |( V0 I# Z; H! L6 O* s
cream, cautions about dermal testosterone transfer to
: [8 u. r4 \. P/ j3 `/ e; yunprotected females through direct skin exposure.
- _1 h( h6 C! v$ b( S' B# [+ t: uSerum testosterone level was found to be 2 times the/ U) t7 ~. S% W4 a
baseline value in those females who were exposed to% D9 i9 ]5 l9 n- P& W& ~
even 15 minutes of direct skin contact with their male
# D2 q5 H1 n7 q+ w N, w* F/ ?partners.6 However, when a shirt covered the applica-
- H" [5 j% W3 ?1 Ftion site, this testosterone transfer was prevented.
) H* B8 ~7 s" n8 U$ l. }$ _! aOur patient’s testosterone level was 60 ng/mL,+ Y) k& C+ L, a; v+ Z
which was clearly high. Some studies suggest that
" M: n7 M% L' i5 H9 k q+ ydermal conversion of testosterone to dihydrotestos-
0 y" ^! o+ ]( @2 R3 }( dterone, which is a more potent metabolite, is more$ p! G, U% |5 c! g
active in young children exposed to testosterone; V% E3 P0 Q, S2 C; k& J
exogenously7; however, we did not measure a dihy-
' l& l+ t! l* _- P+ t2 Udrotestosterone level in our patient. In addition to
, q7 ^% c3 X9 {virilization, exposure to exogenous testosterone in# C( ^& U2 p% I/ w
children results in an increase in growth velocity and
" g; J; v: ?8 `# w7 @) Badvanced bone age, as seen in our patient.
% W1 z9 w' N* ?# ` x$ L4 BThe long-term effect of androgen exposure during: ]' `) L* f) a( t
early childhood on pubertal development and final" A; c7 K* p0 R
adult height are not fully known and always remain
% N( u5 ~/ U# }0 Y* ya concern. Children treated with short-term testos-
0 F+ l- y/ h; E" Q: hterone injection or topical androgen may exhibit some! w% Y: h; P/ v% X( h" N
acceleration of the skeletal maturation; however, after
' B% A3 ~6 @1 Y- f" \8 |cessation of treatment, the rate of bone maturation
7 O2 V5 ?% u- Kdecelerates and gradually returns to normal.8,9
; Y* V. d8 a5 @" Y( Y$ m+ ^6 a6 `There are conflicting reports and controversy
6 l" w% p8 e: }, k! N' vover the effect of early androgen exposure on adult
; T3 r" M; s* ]penile length.10,11 Some reports suggest subnormal2 U/ U5 Z; s1 {4 |6 {
adult penile length, apparently because of downreg-
, }( Q" p' U3 ~+ \ulation of androgen receptor number.10,12 However,
+ _- ~: s+ `, SSutherland et al13 did not find a correlation between8 B K# a5 k) \* A' Z, O
childhood testosterone exposure and reduced adult
! H: ]& s7 _2 A8 A* r2 d$ i; apenile length in clinical studies.
8 I; U& O! I' _1 w9 |Nonetheless, we do not believe our patient is
( Q5 _5 X! A8 T1 B" pgoing to experience any of the untoward effects from5 A4 ~: g! {; e/ K0 a9 w
testosterone exposure as mentioned earlier because* S" H" A8 I7 e1 Y5 C X. ~
the exposure was not for a prolonged period of time.8 }- X& t" A2 o& l
Although the bone age was advanced at the time of# n+ b; {8 \0 a( H* J
diagnosis, the child had a normal growth velocity at% r, f0 j0 A. B9 }' r+ B' a) w
the follow-up visit. It is hoped that his final adult/ _/ z2 A6 q: u- b8 v4 R! u7 `
height will not be affected.: X! b. i$ S7 H- f6 W
Although rarely reported, the widespread avail-8 G+ S; [, j, x% C. |
ability of androgen products in our society may
" y( E" O, j/ eindeed cause more virilization in male or female9 Q0 E6 v8 l( I; j+ ^8 k" l+ s. r
children than one would realize. Exposure to andro-
/ [# m0 |2 Y8 L y' Vgen products must be considered and specific ques-3 U9 I E7 S- w) V7 p
tioning about the use of a testosterone product or- Y8 n% o' }% Q0 d4 `$ _
gel should be asked of the family members during" T! L( u) T. O; e) E
the evaluation of any children who present with vir-
( e% u$ D' J& G% C3 v0 S% Uilization or peripheral precocious puberty. The diag-
0 h: a+ V1 |8 C D1 J6 xnosis can be established by just a few tests and by
3 |" V8 b4 b I! {7 tappropriate history. The inability to obtain such a
! W" o2 S% x+ F2 f5 n) Y" Z' S' Khistory, or failure to ask the specific questions, may% }0 t. f% ^3 E& L/ u
result in extensive, unnecessary, and expensive- A d. X( |' T! r! A) _" S
investigation. The primary care physician should be
3 _) O! Z& R1 P/ laware of this fact, because most of these children5 y: `" W( i) {# J
may initially present in their practice. The Physicians’7 I( t% j; A2 I; P! x
Desk Reference and package insert should also put a) {. M% `! e5 A' m9 y! I
warning about the virilizing effect on a male or
|: @, n- _% b% u9 T! w% n( jfemale child who might come in contact with some-9 c: T* Z u) k+ Y
one using any of these products.3 W# ~2 _: f* t' O& W
References
% c# m# V' h; e9 G1. Styne DM. The testes: disorder of sexual differentiation
( F9 s r _" G$ F4 u+ y7 ~; Qand puberty in the male. In: Sperling MA, ed. Pediatric
' W/ ^; k" A# n! h( d9 [ B4 EEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
7 f" p: ]) q! \! |% @7 l, ?- x2002: 565-628.) ^* X) m) h; }! C4 {! x
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
0 v0 f/ ^( ^2 P Q2 z; Apuberty in children with tumours of the suprasellar pineal |
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