Mucinous cystic neoplasm of the gallbladder

Last revised by Daniel J Bell on 18 Oct 2020

Mucinous cystic neoplasms of the gallbladder are extremely rare epithelial cystic tumors formed by mucin-producing cells. They are histologically similar to the other mucinous cystic tumors found elsewhere in the body.

For the lesions involving the bile ducts, please refer to:

They are extremely rare tumors, which are more prevalent in middle-aged women 1,2

Right upper quadrant pain is described as a common presentation 1.  

These tumors are formed by columnar mucin-producing epithelial cells with an ovarian-like stroma 1,3.

The tumor, similarly to mucinous neoplasms elsewhere, are characterized by a cystic septated mass with anechoic content and possible low-level echoes 1

Treatment is usually surgical resection. 

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