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Hidrocystoma (also known as cystadenoma,〔 a Moll's gland cyst,〔 and a sudoriferous cyst) is an adenoma of the sweat glands.〔Freedberg, et al. (2003). ''Fitzpatrick's Dermatology in General Medicine''. (6th ed.). McGraw-Hill. ISBN 0-07-138076-0.〕 Hidrocystomas are cysts of sweat ducts, usually on the eyelids. They are not tumours (a similar sounding lesion called hidroadenoma is a benign tumour). There are three types of "sweat" glands: True sweat glands or eccrine glands; sebaceous glands, which have an oily secretion around hair follicles; and apocrine glands which have more oily product than eccrine glands and are found on the face, armpit, and groin. Hidrocystomas usually arise from apocrine glands. They are also called Cysts of Moll or sudoriferous cysts. There may be a type of hidroadenoma that arises from eccrine glands, but these are uncommon. Other related conditions on the eyelids include chalazion ( a granulomatous reaction to sebaceous glands on the eyelid), lacrimal duct cysts (cysts related to tear ducts) and nasolacrimal duct cysts (the nasolacrimal duct drains tears into the nose via a punctum on the lower eyelid). == See also == * Syringoma * Acrospiroma * Seborrheic keratosis * List of cutaneous conditions * List of cutaneous neoplasms associated with systemic syndromes 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hidrocystoma」の詳細全文を読む スポンサード リンク
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