Case of the Month: January, 2011 Page 3

Answer: A and D are correct.

A. Bladder diverticulum with focal wall thickening, and

D. Ventral hernia.

CT from 9 months prior demonstrate a large bladder diverticulum arising from the right posterolateral aspect of the bladder with a small region of focal wall thickening. The left adrenal gland and visualized portion of the right adrenal gland are normal. There is a ventral hernia containing nonobstructed bowel and a celiac artery aneurysm.   

Review the T1 pre and postcontrast MR images,

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and T2 weighted MR images.

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( Click here for larger image .)

Question: The mass is most likely:

1. Old clot
2. Acute on chronic hemorrhage
3. Neoplasm
4. Fungus ball
5. Struvite stone