Wong-Type Dermatomyositis Showing Porokeratosis-Like Changes (Columnar Dyskeratosis): A Case Report and Review of the Literature.

Background: Wong-type dermatomyositis (DM) exhibits simultaneous pityriasis rubra pilaris (PRP) features.

Case Report: A 50-year-old woman presented with a heliotrope rash, Gottron's papules, and a poikilodermic, erythematous rash in shawl distribution without evidence of muscle weakness. Despite topical corticosteroids, the eruption progressed 9 months later to include generalized hyperkeratotic follicular papules, islands of sparing, and atrophic macules with a collarette of scale suggestive of porokeratosis.

Varicella-zoster-virus folliculitis promoted clonal cutaneous lymphoid hyperplasia.

Post herpes zoster (HZ) reactions have been associated with panoply of neoplastic, inflammatory, and fibro-inflammatory cutaneous disorders. Varicella zoster virus (VZV) DNA has not been identified in most of these reports. After an episode of HZ, a healthy, active 90-year-old female developed ulcerative nodules in the affected trigeminal V1 dermatome and the contra-lateral trigeminal region over a 1-year period.