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Mucinous cystadenoma

Mucinous cystadenoma
File:Ovarian mucinous cystadenoma - a2 -- high mag.jpg
Micrograph showing a mucinous cystadenoma of the ovary. H&E stain.
Classification and external resources
ICD-10 C56.9
ICD-O 8470/0
NCI Mucinous cystadenoma
Patient UK Mucinous cystadenoma
MeSH D018291

Mucinous cystadenoma is a benign cystic tumor lined by a mucinous epithelium. It is a type of cystic adenoma (cystadenoma).

Mucinous cystadenoma may arise in a number of locations; however, mucinous cystadenoma at different locations are not generally considered to be related to one another.


Mucinous cystadenomas may be found in the:

Ovarian mucinous cystadenoma

Mucinous cystadenomas make up 15-20% of all ovarian tumors. They often become very large and can extend up into the abdomen.

These tumors are usually evaluated using ultrasound, CT scan, or MRI. Findings on imaging studies are nonspecific. These ovarian tumors are usually multi-septated, cystic masses with thin walls. They also contain varying amounts of solid tissue which consists of proliferating stromal tissue, papillae, or malignant tumor cells.

Benign mucinous cystadenomas compose 80% of mucinous ovarian tumors[2] and 20-25% of benign ovarian tumors overall. The peak incidence occurs between 30-50 years of age. Benign tumors are bilateral in 5-10% of cases.



See also


  1. ^ Grubor, NM.; Colovic, RB.; Atkinson, HD.; Micev, MT. (2013). "Giant biliary mucinous cystadenoma of the liver.". Ann Hepatol 12 (6): 979–83. PMID 24114831. 
  2. ^ Hart WR (January 2005). "Mucinous tumors of the ovary: a review". Int. J. Gynecol. Pathol. 24 (1): 4–25. PMID 15626914. 

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