Nonsyndromic anonychia is a condition in which the nails of the fingers and toes are congenitally absent without significant bone anomalies. The teeth and hair are normal. Mutation in RSPO4, a Wnt-signaling component, has been identified.
Category
Congenital malformation
Brite
Human diseases in ICD-11 classification [BR:br08403]
14 Diseases of the skin
Genetic and developmental disorders affecting the skin
EC22 Genetic defects of nails or nail growth
H00683 Anonychia congenita
Bergmann C, Senderek J, Anhuf D, Thiel CT, Ekici AB, Poblete-Gutierrez P, van Steensel M, Seelow D, Nurnberg G, Schild HH, Nurnberg P, Reis A, Frank J, Zerres K
Title
Mutations in the gene encoding the Wnt-signaling component R-spondin 4 (RSPO4) cause autosomal recessive anonychia.