nevoid basal cell carcinoma syndrome


basal cell nevus syndrome

An uncommon autosomal dominant condition (OMIM:109400) characterised by childhood onset of multiple nevoid basal cell carcinomas accompanied by “pits” in the hands and feet (in the form of 2–3-mm-diameter “dells”, occasionally filled with carcinoma), milia, sebaceous cysts, lipomas, fibromas, lympho-mesenteric cysts, CNS disease (mental retardation), EEG abnormalities, calcification of dura, medulloblastoma, schizophrenia, ovarian cysts or fibroma, male hypogonadism, female escutcheon, scanty facial hair, canthal dystopia, hypertelorism, coloboma, congenital blindness, hypertelorism, lateral displacement of medial canthi, frontoparietal bossing, mandibular prognathism, accentuated supraorbital ridges, jaw cysts and a broad nasal root, spina bifida occulta, fused, absent or cervical ribs, kyphosis, scoliosis, cervical and thoracic vertebral fusion, bridging of sella turcica, shortened 4th–5th metacarpals, epithelial jaw cysts.