We report the prenatal echographic diagnosis of holoprosencephaly (HPE) at
11 weeks' gestation. Fetopathological examination revealed an unusual varia
nt of semilobar HPE with middle interhemispheric fusion associated with sex
-reversal: 46,XY normal male karyotype, normal external and internal female
genitalia and streak gonads. Copyright (C) 2001 John Wiley & Sons, Ltd.