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Bilateral multiple axillary apocrine hidrocystomas associated with benign apocrine hyperplasia
  1. N A Obaidat1,
  2. D M Ghazarian2
  1. 1Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
  2. 2University Health Network, Princess Margaret Hospital, Toronto
  1. Correspondence to:
 N A Obaidat
 University Health Network, Princess Margaret Hospital, 610 University Avenue, Toronto, ON M5G 2M9, Canada; nobaidat{at}

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Apocrine glands are most frequent in the axillae, groin, external auditory canal, eyelids and on the nipple. Apocrine hidrocystomas are benign adenomatous cystic proliferations derived from apocrine sweat glands, often occuring as solitary translucent cystic lesions, most commonly on the head and neck, especially in periocular tissues (on both the upper and lower eyelids). They have also been reported to occur on the ears, scalp, chest and shoulders. Rarely, they occur on the penis, the vulva, in the axillae and in the anal region. Histologically, the epithelium in apocrine hidrocystoma is lined by a row of columnar secretory cells with apocrine characteristics. Peripheral to this is a layer of myoepithelial cells.1,2

We report a case of bilateral multiple axillary apocrine hidrocystomas associated with apocrine gland …

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  • Competing interests: None declared.

  • Informed consent was obtained for publication of the patient’s details in this report.