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The prevalence of colonic diverticular disease has been on the increase in Japan due to an increase in westernized diet and a rapidly aging population. However, solitary cecal diverticulum is rare and considered congenital in etiology. Solitary cecal diverticulitis with calcified fecaliths is even rarer. Herein, we report a case of cecal colon diverticulitis caused by a calcified fecalith in a 38-year-old woman treated with single-incision laparoscopic surgery. To the best of our knowledge, this report describes the first case of cecal colon diverticulitis caused by a calcified fecalith that was successfully treated with single-incision laparoscopic ileocolectomy., (Published by Oxford University Press and JSCR Publishing Ltd. © The Author(s) 2022.)

Desmoid tumors are a very rare disease associated with familial adenomatous polyposis, surgical trauma and hormonal factors. Surgical trauma is a critical trigger for sporadic desmoid tumors. Tumor development has been reported, and laparoscopic surgery has become more widely performed than the conventional open surgery. However, a few cases of desmoid tumors have developed after robot-assisted surgery. When desmoid tumors develop after cancer surgery, they are often difficult to distinguish from cancer recurrence. This differentiation is important for patients with bladder cancer because it helps determine the treatment plan. However, very few cases of mesenteric desmoid tumors after cystectomy for bladder cancer have been reported. Herein, we present a case of desmoid tumor that developed following robot-assisted laparoscopic cystectomy for bladder cancer. The tumor was resected via minilaparotomy with laparoscopic assistance for diagnostic treatment., (Published by Oxford University Press and JSCR Publishing Ltd. © The Author(s) 2022.)