12 Cutaneous ciliated cyst (Cutaneous Mullerian cyst) -Solitary cystic lesion of lower limb of woman (10-50 yrs).-Thought to be arising from heterotopic Mullerianepithelium.-Cyst is unilocular or multilocular with intralocular papillaryprojections, lined by ciliated cuboidal or columnar epithelium similarto that of fallopian tube.-Lining cells show immmunoprofile similar to that of fallopian tubeepithelium (Positive cytoplasmic staining with CK, Negative CEA, andPositive nuclear staining with ER and PR).-Rare ciliated cutaneous cysts seen in man are thought to be arisingfrom eccrine or apocrine gland with cilia metaplasia.-Differential diagnosis: Ciliated epithelial cells are also seen inbrochogenic, thyroglossal duct, branchial, thymic and mature cysticTeratoma.
13 REF:Stevens T, Sarma DP.(2011). Biopsy of a 5 mm cystic lesion on the right heel of a 48-year-old woman. Dermatol Online J. 15(17):6. PMID: [PubMed – indexed for MEDLINE]
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