Two Cases of Ulcerative Colitis with Left Renal Vein Thrombosis Preoperatively

Arai Sodai, Matsuyama Takatoshi, Nankaku Akitoshi, Mizoguchi Masako, Hanaoka Marie, Iwata Noriko, Masuda Taiki, Yamauchi Shinichi, Tokunaga Masanori, Kinugasa Yusuke

doi:10.5833/jjgs.2021.0073

<p>Venous thromboembolism (VTE) is an extraintestinal complication of ulcerative colitis (UC), and such complications lead to a poor prognosis of UC. The most common site of VTE is a deep vein in the leg, whereas VTE rarely occurs in the renal vein. In such cases, placement of a preoperative inferior vena cava filter for renal blood flow protection is difficult, resulting in a high perioperative risk for pulmonary embolism. Our surgical treatment for UC with severe complications is based on a three-stage operation, in which the first stage is subtotal colectomy with end ileostomy. We also usually select laparoscopic surgery to minimize invasion as much as possible. Herein, we report two cases of UC with left renal vein thrombosis preoperatively. The first case was a 26-year-old man with UC refractory to medical therapy, and the second case was a 57-year-old man with UC-associated sigmoid colon cancer. In both cases, we performed laparoscopic subtotal colectomy with end ileostomy, followed by starting antithrombotic drugs immediately after surgery. In both cases, there were no postoperative VTE-related complications.</p>

Two Cases of Ulcerative Colitis with Left Renal Vein Thrombosis Preoperatively

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