UNKNOWN SYNDROME - A POSSIBLE NEW X-LINKED RETARDATION SYNDROME - DYSMORPHIC FACIES, MICROCEPHALY, HYPOTONIA, AND SMALL GENITALIA

The proband, the first child of unrelated parents, was noted in infancy to have microcephaly, developmental delay, dysmorphic facies, hypotonia, a small penis with cryptorchidism, and a fixed flexion deformity of his left index finger. His maternal uncle is severely retarded and has similar dysmorphic facies.