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A 75-year-old woman presented with the chief complaint of right lower abdominal pain. There was mild tenderness in the lower right abdomen and a mass was palpated. There were no peritoneal irritation symptoms. A CT examination was performed. The ascending colon was invaginated with a part of the cecum and ileum. Wall thickening was observed in the advanced part. Colon cancer was suspected. The preoperative diagnosis was considered to be an intussusception with cecal cancer at the advanced part. A laparoscopic ileocecal resection was performed. The intraoperative findings were as follows. The tumor was invading the ascending colon, but it was possible to restore it by pressing on the developed part with forceps. The pathological diagnosis was Type 2, muc>tub1, pT4aN0M0, pStageⅡb. The postoperative course was good. Water intake was started on the next day, meals were started from the second day, and the patient was discharged on the 9th day after the operation. Cecal cancer complicated with intussusception is a relatively rare disease. We report a case that was laparoscopically operable.
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BJS Open
September 2025
Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.
Background: Appendiceal adenocarcinomas and low-grade appendiceal mucinous neoplasms (LAMNs) are rare tumours. Much of the existing knowledge is derived from registry-based studies, particularly the Surveillance, Epidemiology, and End Results database in the USA.
Methods: This retrospective cohort study used data from the Swedish Cancer Registry, Swedish Cause of Death Registry, and the National Patient Registry to analyse demographic characteristics and outcomes of patients diagnosed with appendiceal adenocarcinoma or LAMN between 2005 and 2019.
Ann Gastroenterol Surg
September 2025
Division of Molecular and Diagnostic Pathology, Graduate School of Medical and Dental Sciences Niigata University Niigata Japan.
Aims: To determine the optimal extent of lymph node dissection for non-metastatic colon cancer by tumor location based on the therapeutic value index (TVI) for each lymph node station.
Methods: Consecutive patients with surgical stage I-III colon or rectosigmoid cancer in the Japanese Society for Cancer of the Colon and Rectum database who underwent curative resection between January 2003 and December 2014 were analyzed. The TVI was defined as the incidence of lymph node metastasis multiplied by 5-year overall survival and calculated for each nodal station stratified by tumor location.
Inflamm Bowel Dis
September 2025
Department of internal medicine, School of Medicine, Faculty of Medicine, Tel-Aviv University, Tel‑Aviv, Israel.
Objectives: The real-world efficacy of computer-aided detection (CADe) in improving surveillance colonoscopy performance for patients with inflammatory bowel disease (IBD) has not been established.
Methods: A retrospective, single-center study of surveillance colonoscopies in patients with IBD. Only colonoscopies indicated for surveillance, with adequate preparation and documented cecal intubation, were included.
Asian J Endosc Surg
September 2025
Department of Surgery, Kyoto University Hospital, Kyoto, Japan.
Introduction: Minimally invasive surgery offers significant advantages, including smaller incisions, reduced postoperative pain, and shorter recovery, especially in surgeries requiring access to multiple abdominal quadrants. However, robot-assisted resection of synchronous colorectal cancer (sCRC) remains technically challenging and unstandardized due to its rarity. Herein, we propose an N-shaped configuration of five-trocar placement for the simultaneous right- and left-sided colectomies with intracorporeal anastomosis.
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August 2025
Department of Gastroenterology, Zhu Jiang Hospital of Southern Medical University, Guangzhou, Guangdong, China.
BACKGROUND Benign submucosal tumors of the large bowel include lipomas and smooth muscle tumors, which can be a diagnostic challenge since they appear as nodules or masses on colonoscopy. This report describes the case of a 51-year-old man with a submucosal lipoma of the cecum diagnosed as an incidental finding during routine colonoscopy. CASE REPORT On April 29, 2024, a 51-year-old male patient was found during colonoscopy to have a submucosal mass in the cecum, with surface ulceration, raising suspicion of malignancy.
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