We report 18 patients with cutis marmorata telangiectatica congenita (CMTC)
who visited the University Hospital Nijmegen between 1982 and 1999, In 11
patients (61%), associated abnormalities of varying severity were observed.
Three of these patients had a previously described distinct syndrome compr
ising CMTC, a naevus flammeus at the upper lip/philtrum, macrocephaly and s
yndactyly, among other abnormalities. Findings in the other eight patients
with associated abnormalities included hydrocephalus, hyperplasia/hypoplasi
a (body asymmetry), anal atresia, hearing loss, cardiovascular abnormalitie
s, strabismus hypothyroidism, haemangioma, naevus anaemicus, cafe-au-lait s
pot, lipoma and an elevation of the right diaphragm. All cases were sporadi
c.