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Published on: April 1, 2019
Endocrine mucin-producing sweat gland carcinoma of the eyelid
Anne C Collinson1, Michelle T Sun2, Craig James3
1Discipline of Ophthalmology and Visual Sciences, The University of Adelaide and the South Australian Institute of Ophthalmology, Adelaide, Australia. anne.collinson@student.adelaide.edu.au.
Abstract:
An elderly woman was incidentally noted to have a nodular mass on the upper eyelid, whilst under investigation for cataracts. Punch biopsy of this presumed basal cell carcinoma revealed it to be endocrine mucin-producing sweat gland carcinoma (EMPSGC). The tumour extended to the deep dermal layer and comprised solid nests with foci of cystic and papillary change, and additional cytoplasmic and focal extracellular mucin deposits. Immunohistochemistry confirmed epithelial lineage and neuroendocrine differentiation, and adjacent tissue invasion. The tumour was excised completely with Mohs micrographic surgery with no recurrence after 8 months. EMPSGC is a low-grade sweat gland carcinoma with variable neuroendocrine differentiation, a solid, papillary, or cystic growth pattern, and a predilection for the eyelid of elderly women [Am J Surg Pathol 29:1330-1339, 2005]. There have been 54 previously documented cases of EMPSCG. We report an additional case and review the literature.
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