[18] Four histological types of appendiceal mucocele have been described: retention cyst, mucosal hyperplasia, mucinous
cystadenoma and mucinous cystadenocarcinoma.
Caption: Minimally invasive minilaparotomy can be used for benign large adnexal mass drainage, as in this case if a mucinous
cystadenoma.
(1) It is often considered the malignant counterpart to the non-Warthin benign
cystadenoma, and given the former's bland nuclear features and lack of atypia, histological differentiation from
cystadenoma may often be challenging and largely depends on identifying stromal invasion.
Serous
cystadenoma topped the list of most common benign ovarian tumours 82(32.8%), benign teratomas 73(29.2%), mucinous
cystadenoma 59(23.6%), serous cystadenofibroma 14(5.6%), monodermal tumour 10 (4%), fibrothecoma 5(2%), fibroma 5(2%), and
cystadenoma 1(2.5%).
The average size of the urachal mucinous
cystadenoma was 7.9 cm at greatest dimension, ranging from 1.5 cm to 15.5 cm.
Mucinous
cystadenoma coexisting with adult granulosa cell tumor in the ovary: Is it a composite tumor or heterologous mucinous elements in a granulosa cell tumor?
To better describe the morphologic and immunohistochemical features of primary retroperitoneal mucinous
cystadenomas (PRMCs) and their association with sarcoma-like mural nodules, the authors conducted an immunohistochemical study with a panel of 19 antibodies and a histochemical study for mucin stains.
The macrocystic or oligocystic variant of serous
cystadenoma is uncommon and difficult to distinguish from mucinous cystic neoplasm by imaging.
Biliary
cystadenoma with mesenchymal stroma: Report of a case and review of the literature.
Warthin's tumor (papillary
cystadenoma lymphomatosum) is the second most common benign lesion of the salivary glands.
Cystadenoma, adenofibroma, and surface papillomas are the benign serous tumors.
Cystic luminal distention secondary to obstruction by a mucinous
cystadenoma or cystadenocarcinoma causes the majority of AMC [3].
