Solitary fibrous tumours (SFTs) are rare tumours arising from mesenchymal tissues. Despite of their more frequent occurrence in the pleura, SFT can present anywhere in the body. Only a few cases have been described arising from the mesentery. Most tumours have a benign nature; however, up to 20% of them can spread, most commonly to liver, lung and bone. Surgical excision including all surrounding tissues remains the treatment of choice; however, there is no consensus regarding the need for adjuvant therapies. We present a 79-year-old man with abdominal pain who was found to have a SFT in the mesentery of the sigmoid colon, treated with en bloc resection. A multidisciplinary team including surgeons, medical and radiation oncologists is recommended in the care of these patients.

Renoduodenal fistula is an uncommon occurrence and usually results as a complication of injury or inflammatory process. Here, we describe a case of renoduodenal fistula formation after traumatic injury via gunshot wound to the abdomen. The patient suffered right renal and ureteral injury, complicated by urine leak, managed by surgery, interventional radiology, and urology. His post-hospital course was complicated by recurrent urinary tract infections and was found to have a renoduodenal fistula 3 months after the initial operation. Patient underwent uncomplicated right nephrectomy and repair of fistula. Etiology, presentation, diagnosis, and treatment options of renoduodenal fistula are discussed.