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CT prognostic signs of postoperative complications in emergency surgery for acute obstructive colonic cancer

La radiologia medica(2024)

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Abstract
To identify CT prognostic signs of poor outcomes in acute obstructive colonic cancer (AOCC). Demographic, clinical, laboratory, radiological and surgical data of 65 consecutive patients with AOCC who underwent emergency surgery were analyzed. CT exams were reviewed to assess diameters of cecum, ascending, transverse, descending, and sigmoid proximal to the tumor; colon segments’ CD/L1-VD ratios, continence of the ileocecal valve, small bowel overdistension, presence of small bowel feces sign and cecal pneumatosis. Post Operative complications (PO), according to the Clavien–Dindo classification, were analyzed. Gender, age and location of the tumor were not predictive factors of complications. Among laboratory exams, CRP was the most important predictive value of PO (OR 8.23). A cecum distension ≥ 9 cm represented the critical diameter beyond which perforation and cecal necrosis were found at surgery. Cecal pneumatosis at CT was correlated with cecal necrosis at surgery in < 50
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Key words
Large bowel obstruction,Acute obstructive colonic cancer,Clavien–Dindo,CT,Emergency surgery
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