Finally, there were no nail abnormalities. Figure 2 Clinical presentation of the PPK phenotype. [jmg.bmj.com]

abnormalities such as longitudinal fissures, onychogryphosis, and onychomadesis are frequently reported. 4,10 The course of the disease is long-term, and spontaneous resolution has not been reported in the literature. [mdedge.com]

Alopecia, hearing loss, spastic paraplegia, myopathy, ichthyosiform dermatosis, and nail abnormalities are associated findings. Cases of epithelioma cuniculatum have been reported. [emedicine.medscape.com]