Beare-Stevenson cutis gyrata syndrome consists of skin furrows of corrugated appearance, acanthosis nigricans, craniofacial anomalies, particularly craniosynostosis and ear defects, anogenital anomalies, skin tags, and prominent umbilical stump. Four cases of this striking syndrome are reported. Together with two previously reported cases, the syndrome is delineated from the six known cases. Cutis gyrata variably affects the scalp, forehead, face, preauricular area, neck, trunk, hands, and feet. Craniosynostosis is present in four cases, with cloverleaf skull in three of these. Intrauterine growth has been normal in all cases. Performance and life expectation appear to be related to the presence or absence of cloverleaf skull. All cases observed to date have been sporadic. Increased paternal age suggests the possibility of an autosomal dominant mutation.

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In 1947 the term phakomatosis pigmentovascularis (PPV) was coined to represent the association of widespread, aberrant, and persistent nevus flammeus and pigmentary abnormalities. Four types of PPV have been recognized with type II (nevus flammeus and Mongolian spots) being the most common. Most early cases were of Asian or African descent. Many cases were subsequently associated with Sturge-Weber (S-W) and Klippel-Trenaunay (K-T) syndromes. Almost no literature reports have appeared in the genetic or dysmorphology literature! We present six cases of PPV in which five were either African, Asian or Hispanic, and five of six had an admixture of K-T and S-W. Four had macrocephaly, and one had microcephaly. Four had CNS abnormalities (three with hydrocephalus, one with Arnold-Chiari and one with polymicrogyria), three had mental retardation, and one had seizures. One each had thumb hypoplasia, hydronephrosis, glaucoma, coronal synostosis, and 3-4 finger syndactyly. It is our suspicion and hypothesis that in the presence of persistent, extensive and aberrant Mongolian spots, vascular abnormalities as are seen in K-T and S-W carry a worse prognosis. This may be particularly true either of children of Asian, Hispanic or African heritage or any individuals from darker pigmented skin groups.

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