Table 1

Clinical signs in the males with BFLS

TraitsIII.4III.5III.6III.7
*At age 19 years (III.4), 21 years (III.5), 20 years (III.6) and 19 years (III.7).
Height152 cm178 cm165 cm148 cm
<3rd centileNormal (59th centile)8th centile<3rd centile
Age (at examination)16181716
Gynaecomastia++++
TesticlesCryptorchidismRight: smallRight: smallCryptorchidism
Left: normalLeft: normal
PenisSmallNormalSmallSmall
Pubic hairSolitaryNormalNormalSolitary
Facial hairAbsentSolitary moustache hairAbsentAbsent
Axillary hairAbsentSolitarySolitarySolitary
Hypertelorism+++±
Palpebral fissuresIntermediateNarrowIntermediateNarrow
StrabismusDivergentConvergentConvergent
Large, fleshy ears++++
High palate++++
Supraorbital ridgeProminentProminentProminentIntermediate
TeethMalocclusionRareNormalRare
Short neck+++
Clinodactyly 5th finger++++
Medial orientation of 5th finger distal phalanx++++
“Sandal gap” on feet++++
SpineSlightly curvedSlightly curvedKyphosisScoliosis
FSH (IU/l): normal 1–14 adult16.9*11.2*9.4*9.5*
LH (IU/l): normal 1.5–9.2 adult6.9*7.8*7.5*5.3*
Testosterone (nmol/l): normal 10–35 adult5.4*6.2*6.4*14.3*