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M8453/2 Intraductal papillary-mucinous carcinoma, non-invasive (C25._) M8453/3 Intraductal papillary-mucinous carcinoma invasive (C25._) M8454/0 Cystic tumor of atrio-ventricular node (C38.0) M8460/0 Papillary serous cystadenoma, NOS (C56.9) M8460/3 Papillary serous cystadenocarcinoma (C56.9) Papillary serous adenocarcinoma; Micropapillary ...
A mucinous neoplasm (also called colloid neoplasm) is an abnormal and excessive growth of tissue with associated mucin (a fluid that sometimes resembles thyroid colloid). It arises from epithelial cells that line certain internal organs and skin, and produce mucin (the main component of mucus ).
Pseudomyxoma peritonei (PMP) is a clinical condition caused by cancerous cells (mucinous adenocarcinoma) that produce abundant mucin or gelatinous ascites. [1] The tumors cause fibrosis of tissues and impede digestion or organ function, and if left untreated, the tumors and mucin they produce will fill the abdominal cavity.
Signet ring cell carcinoma (SRCC) is a rare form of highly malignant adenocarcinoma [1] that produces mucin. It is an epithelial malignancy characterized by the histologic appearance of signet ring cells .
Adenocarcinoma is the malignant counterpart to adenoma, which is the benign form of such tumors. Sometimes adenomas transform into adenocarcinomas, but most do not. Well- differentiated adenocarcinomas tend to resemble the glandular tissue that they are derived from, while poorly differentiated adenocarcinomas may not.
Appendix neoplasms by incidence and prognosis. Carcinoid tumors are the most common tumors of the appendix. [10] Other common forms are mucinous adenocarcinomas, adenocarcinoma not otherwise specified (NOS), and signet ring cell adenocarcinoma listed from highest to lowest incidence.
Colonic adenocarcinoma metastatic to the thyroid gland (e); the thyroid tissue is positive for thyroglobulin while the metastatic adenocarcinoma is negative (f) [9] Mucinous thyroid carcinoma (a) showing abundant mucoid material mucicarmine positive (b); most tumor cells were positive for thyroglobulin (c).
Cystadenocarcinoma is a malignant form of a cystadenoma and is a cancer derived from glandular epithelium, in which cystic accumulations of retained secretions are formed. The neoplastic cells manifest varying degrees of anaplasia and invasiveness, and local extension and metastases occur.