F 45, mons pubis
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Epithelium-lined dermal cyst containing acellular fluid. Cyst wall is lined by apocrine-type epithelium with decapitation secretion .
Diagnosis: Apocrine hidrocystoma
Solitary cystic dermal lesion in face, eyelids, axilla, pubis, prepuce.
Unilocular or multilocular dermal cyst.
Lined by double layers of cells: outer layer of flattened myoepithelial cells and inner columnar cells with decapitation secretion and dark basal nuclei.