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Hidrocystoma (also known as cystadenoma,^[1] a Moll's gland cyst,^[1] and a sudoriferous cyst^[1]) is an adenoma of the sweat glands.^[2]^:787

Hidrocystomas are cysts of sweat ducts, usually on the eyelids.^[3]^:664 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).

References

^ ^a ^b ^c Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. ISBN 1-4160-2999-0.
^ Freedberg, et al. (2003). Fitzpatrick's Dermatology in General Medicine. (6th ed.). McGraw-Hill. ISBN 0-07-138076-0.
^ James, William D.; Berger, Timothy G.; et al. (2006). Andrews' Diseases of the Skin: clinical Dermatology. Saunders Elsevier. ISBN 0-7216-2921-0.

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1. 脂腺母斑および脂腺母斑症候群 nevus sebaceous and nevus sebaceous syndrome

English Journal

Multiple eccrine hidrocystomas in a patient of sarcoidosis.

Singh V, Dhawan M, Narang T, Kaur R.SourceDepartments of Dermatology, Venereology and Leprology, and Department of Pathology Gian Sagar Medical College, Ram Nagar Banur, Patiala, Punjab, India.
Indian journal of dermatology.Indian J Dermatol.2012 Nov;57(6):504. doi: 10.4103/0019-5154.103084.
A 45-year-old female patient known case of sarcoidosis presented in skin department with chief complaint of skin-colored papulonodular lesions over face with exacerbation in summer season since last 4 years. On examination lesions were multiple, firm and skin colored. Biopsy was done showing feature
PMID 23248381

A case of an apocrine hidrocystoma treated by sublabial approach.

Ozel HE, Kaynar A.SourceDepartment of Otolaryngology, İskenderun State Hospital, Hatay, Turkey. heozel@yahoo.com
Kulak burun boğaz ihtisas dergisi : KBB = Journal of ear, nose, and throat.Kulak Burun Bogaz Ihtis Derg.2012 Sep-Oct;22(5):284-7. doi: 10.5606/kbbihtisas.2012.054.
Apocrine hidrocystomas are uncommon cystic proliferations of the apocrine secretory glands. Maxilla is an unexpected involvement site for these tumors. Our study represents the first case of an apocrine hidrocystoma of the maxilla excised by an intraoral (sublabial) approach, being the first to defi
PMID 22991989