Korean J Dermatol.  1985 Oct;23(5):678-681.

A Case of Epidermolytic Keratosis Palmaris et Plantaris

Abstract

Epidermolytic keratosis palmaris is a rare disease which shows clinical findings of Unna Thost keratoderma and histopathologic of epidermolytic hyperkeratosis. We report herein a case of epidermolytic keratosis palmaris et plantaris in a 16-month-old female baby. Light microscopy shows marked hyperkeratosis, large irregular keratohyalin granules, and large clear spaces in the granular and upper spinous layers. Eletron microscopic findings shows that the clear spaces are areas of cytoplasm filled with a fibrillar material and cellular organelles. Abnormal clumping of tonofilament and keratohyalin is also present.

Keyword

Epidermolytic hyperkeratosis; Tonofilament; Keratohyalin

MeSH Terms

Cytoplasm
Female
Humans
Hyperkeratosis, Epidermolytic
Infant
Intermediate Filaments
Keratoderma, Palmoplantar*
Keratosis*
Microscopy
Organelles
Rare Diseases
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