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Pathologists classify serous cystic neoplasms into two broad groups. Those that are benign, that have not spread to other organs, are designated "serous cystadenoma". [5] Serous cystadenomas can be further sub-typed into microcystic, oligocystic (or macrocystic), solid, mixed serous-endocrine neoplasm, and VHL-associated serous cystic neoplasm.
Pancreatic intraductal papillary mucinous tumors (most common diagnosis - 52.6%) Pancreatic serous cystic tumors (20.6%) Pancreatic serous cystadenoma; Pancreatic serous cystadenocarcinoma; Pancreatic mucinous cystic tumors (13.4%) Pancreatic mucinous cystadenoma; Pancreatic mucinous cystadenocarcinoma
Serous cystadenocarcinoma is a serous tumor in the cystadenocarcinoma grouping.. Most commonly, the primary site of serous cystadenocarcinoma is the ovary.Rare occurrence in the pancreas has been reported, although this is not typical, with the majority of microcystic pancreatic masses representing alternate disease processes such as the more benign serous cystadenoma.
A pancreatic cyst is a fluid filled sac within the pancreas. The prevalence of pancreatic cysts is 2-15% based on imaging studies, but the prevalence may be as high as 50% based on autopsy series. [1] Most pancreatic cysts are benign and the risk of malignancy (pancreatic cancer) is 0.5-1.5%.
Mean age of presentation is at 45 years old. About 30% of biliary cystadenoma can progressively become malignant over time. [1] Endometrioid cystadenoma (8380) Appendix: The term mucinous cystadenoma is an obsolete term for appendiceal mucinous neoplasm [2] The term "cystadenoma" may also refer to a hidrocystoma. [3]
A pancreatic tumor is an abnormal growth in the pancreas. [1] In adults, almost 90% are pancreatic cancer and a few are benign. [1] Pancreatic tumors are rare in children. [1] Classification is based on cellular differentiation (ductal, acinar, neuroendocrine, other) and gross appearance (intraductal, cystic, solid). [1]
Benign serous tumors include serous cystadenomas, cystadenofibromas, and adenofibromas. Benign and borderline serous tumours are commonly unilocular . Benign tumors contain clear fluid and have a smooth lining composed of columnar epithelial cells with cilia .
Serous cystadenoma may refer to: Ovarian serous cystadenoma , a very common benign tumour of the ovary Pancreatic serous cystadenoma , also known as serous microcystic adenoma