Rectovesical fistula due to rectal carcinoma
Metastatic rectal adenocarcinoma which presented with passage of urine rectally.
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There is tumoural thickening of rectal wall with involvement of the adjacent bladder wall. You can see gas within the lumen of the bladder. There is a communication (fistula) between the lumen of the rectum and that of the bladder. On the delayed phase, intravesical contrast is visible in the tumoural rectum.
There is also a large metastatic lesion to the lower lobe of the right lung.
The findings are compatible with rectovesical fistula in a patient with invasive and metastatic rectal adenocarcinoma.
- 1. Kaisary AV, Grant RW. 'Beehive on the bladder': a sign of colovesical fistula. Ann R Coll Surg Engl. 1981;63 (3): 195-7. Free text at pubmed - Pubmed citation
- 2. Kaiser AM. McGraw-Hill Manual Colorectal Surgery. McGraw-Hill Professional. (2008) ISBN:0071590706. Read it at Google Books - Find it at Amazon