Clouston syndrome can mimic pachyonychia congenita.
until further notice
SourceJournal of Investigative Dermatology, 121, 5, (2003), pp. 1035-1038
Article / Letter to editor
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Journal of Investigative Dermatology
SubjectUMCN 4.2: Chronic inflammation and autoimmunity; UMCN 5.1: Genetic defects of metabolism
We studied three families suffering from nail abnormalities who had previously been diagnosed as pachyonychia congenita. No keratin gene mutations were detected. Sequencing of connexin 30 (GJB6 gene) in these patients identified heterozygous missense mutations G11R and A88V that are known to be associated with Clouston syndrome. This unexpected finding expands the Clouston syndrome phenotype and suggests that some patients diagnosed with pachyonychia may in fact be suffering from Clouston syndrome.
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