By Gary M. White, MD
The apocrine hidrocystoma (AH) is a benign, cystic lesion of the skin derived from the apocrine glands.
- AH are often found on the head especially the periocular area, neck and trunk.
- They may rarely occur elsewhere, especially in areas having apocrine glands such as a penis, axilla, and perianal regions.
A solitary flesh-colored to bluish cystic lesion about the eyes is characteristic. Some apocrine hidrocystomas are so darkly blue-black that they are misdiagnosed as a pigmented lesion. Multiple lesions of the face may rarely occur [Indian J Dermatol 2016;61:237].
In one histologic study of 22 specimens, no eccrine glands were found on the eyelid margin. Thus, any cystic lesion/hidrocystoma on the eyelid margin is apocrine, not eccrine.
Simple excision or curettage may be done.
Single large apocrine hidrocystoma of the axilla and its dark fluid upon rupture.
A 16-year-old teen with a lesion on the penis. Acta Dermato-Venereologica 2015;95;367
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