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Syringocystadenoma papilliferum is a rare non-malignant adnexal neoplasm that develops from apocrine or eccrine sweat glands and can be identified histologically by cystic, papillary, and ductal invaginations into the dermis lined by double-layered outer cuboidal and luminal high columnar epithelium and connected to the epidermis.
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).
M8471/0 Papillary mucinous cystadenoma, NOS (C56.9) Papillary pseudomucinous cystadenoma, NOS; M8471/3 papillary mucinous cystadenocarcinoma (C56.9) Papillary pseudomucinous cystadenocarcinoma; M8472/1 Mucinous cystic tumor of borderline malignancy (C56.9) Mucinous cystadenoma, borderline malignancy; Pseudomucinous cystadenoma, borderline ...
Apocrine (/ ˈ æ p ə k r ɪ n /) [1] is a term used to classify the mode of secretion of exocrine glands. In apocrine secretion, secretory cells accumulate material at their apical ends, often forming blebs or "snouts", and this material then buds off from the cells, forming extracellular vesicles .
Bile duct cystadenoma (8161) or biliary cystadenoma is a slow-growing tumour arising from bile ducts of the liver. The presence of endocrine cells in the tumour also indicates its origin from the glands surrounding the bile ducts.
Acrospiromas are a broad class of benign cutaneous adnexal tumors. [1] Cutaneous adnexal tumors are a group of skin tumors consisting of tissues that have differentiated (i.e. matured from stem cells) towards one or more of the four primary adnexal structures found in normal skin: hair follicles, sebaceous sweat glands, apocrine sweat glands, and eccrine sweat glands. [2]
[9] Non-invasive apocrine carcinoma of the breast, i.e. apocrine ductal carcinoma in situ, is classified as a variant of ductal carcinoma in situ breast tumors. [9] Invasive carcinomas consisting of 10%–90% apocrine tumor tissue have been termed apocrine-like invasive carcinoma; these carcinomas sometime have estrogen receptor-positive [ 1 ...
A papillary hidradenoma, also termed hidradenoma papilliferum or mammary-like gland adenoma of the vulva, [1] is a rare, but nonetheless most common benign tumor that occurs in and between anal and genital regions (i.e. anogenital area) of females. [2]