Mucinous cystic neoplasms of the gallbladder are extremely rare epithelial cystic tumours formed by mucin-producing cells. They are histologically similar to the other mucinous cystic tumours found elsewhere in the body.
For the lesions involving the bile ducts, please refer to:
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Epidemiology
They are extremely rare tumours, which are more prevalent in middle-aged women 1,2.
Clinical presentation
Right upper quadrant pain is described as a common presentation 1.
Pathology
These tumours are formed by columnar mucin-producing epithelial cells with an ovarian-like stroma 1,3.
Radiographic features
Ultrasound
The tumour, similarly to mucinous neoplasms elsewhere, are characterised by a cystic septated mass with anechoic content and possible low-level echoes 1.
Treatment and prognosis
Treatment is usually surgical resection.
Differential diagnosis
-
gallbladder carcinoma
- mostly a solid tumour
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