PACHYONYCHIA-CONGENITA TARDA

Pachyonychia congenita is a rare genetic disorder classified in clinic al subtypes. Late onset of the disease has recently been described and designated as pachyonychia congenita tarda. A patient in whom typical manifestations of pachyonychia congenita appeared at the age of 39 ye ars is described. This report substantiates previous observations on t he phenomenon of late-onset pachyonychia congenita.