Four cases of Darier's disease (keratosis follicularis) with unusual acral hemorrhagic lesions are presented and discussed. It is suggested that the lesions represent hemorrhage into lacunae secondary to trauma.
JONES WN, NIX TE, CLARK WH. Hemorrhagic Darier's Disease. Arch Dermatol. 1964;89(4):523–527. doi:10.1001/archderm.1964.01590280023003
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