<unk>  is a defect in cholesterol biosynthesis. Greenberg characterized the condition in 1988. It has been associated with the lamin B receptor.
Hydrops-ectopic calcification-moth-eaten skeletal dysplasia
Hydrops fetalis
Supernumerary nipples–uropathies–Becker's nevus syndrome
Craniosynostosis–anal anomalies–porokeratosis syndrome
Blepharophimosis, ptosis, epicanthus inversus syndrome
Macrocephaly-capillary malformation
Microphthalmia–dermal aplasia–sclerocornea syndrome
Hypotrichosis–acro-osteolysis–onychogryphosis–palmoplantar keratoderma–periodontitis syndrome