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Retroperitoneal hydatid cyst (type III)

Case contributed by Ali Abougazia
Diagnosis almost certain

Presentation

Vague abdominal pain.

Patient Data

Age: 55 years
Gender: Female

CT scout

ct

Left hypochondrial marginally-calcified lesion.

CT Abdomen and pelvis

ct

There is a left anterior pararenal calcified cystic mass lesion showing irregular marginal calcifications as well as smaller irregular intraluminal calcified cysts ("endocysts"). No significant enhancement. 

Case Discussion

This lesion is typical of type III (dead and calcified) retroperitoneal hydatid cyst.

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