Appendiceal mucocele

Case contributed by Mohammad Taghi Niknejad
Diagnosis almost certain

Presentation

Work up for abdominal pain.

Patient Data

Age: 70 years
Gender: Female
ct

A 40×24 mm well circumscribed spherical cystic lesion is present at the RLQ contiguous with the base of the cecum, suggestive of appendiceal mucocele. No surrounding fat stranding is noted.

A 30 mm thin walled cystic lesion without calcification or enhancing solid component is present at the 7th hepatic segment. In addition, a few small calcified foci are seen at liver parenchyma, most consistent with healed granuloma.

Intra and extra hepatic bile ducts are slightly dilated, and CBD measured 8 mm in caliber. 

Case Discussion

A blind ended cystic lesion in the right lower quadrant, adherent to the base of the cecum and shows no surrounding fat stranding, is typical for appendiceal mucocele.

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