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      Cecal Adenoma Presenting as a Large Bowel Intussusception in an Adult

      case-report
      1 , , 1 , 1
      ,
      Cureus
      Cureus
      adult intussusception, colonic intussusception, preoperative reduction, cecal adenoma, en bloc resection

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          Abstract

          An adult intussusception is a relatively rare entity and is more commonly confined to the small bowel when it is found. The majority of the colonic intussusceptions in adults are caused by malignant neoplasms. Here we present the case of a 65-year-old female with a cecal adenoma as the lead point causing intussusception all the way to the splenic flexure. Controversy still exists regarding optimal treatment strategies, specifically the question of if it is safe or not to perform preoperative reduction prior to surgical resection in adult large bowel intussusceptions.

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          Adult intussusception.

          The objectives were to review adult intussusception, its diagnosis, and its treatment. Adult intussusception represents 1% of all bowel obstructions, 5% of all intussusceptions, and 0.003%-0.02% of all hospital admissions. Intussusception is a different entity in adults than it is in children. The records of all patients 18 years and older with the postoperative diagnosis of intussusception at the Massachusetts General Hospital during the years 1964 through 1993 were reviewed retrospectively. The 58 patients were divided into those with benign enteric, malignant enteric, benign colonic, and malignant colonic lesions associated with their intussusception. The diagnosis and treatment of each were reviewed. In 30 years at the Massachusetts General Hospital, there are 58 cases of surgically proven adult intussusception. The patients' mean age was 54.4 years. Most patients presented with symptoms consistent with bowel obstruction. There were 44 enteric and 14 colonic intussusceptions. Ninety-three percent of the intussusceptions were associated with a pathologic lesion. Forty-eight percent of the enteric lesions were malignant and 52% were benign. Forty-three percent of the colonic lesions were malignant and 57% were benign. Intussusception occurs rarely in adults. It presents with a variety of acute, intermittent, and chronic symptoms, thus making its preoperative diagnosis difficult. Computed tomography scanning proved to be the most useful diagnostic radiologic method. The diagnosis and treatment of adult intussusception are surgical. Surgical resection of the intussusception without reduction is the preferred treatment in adults, as almost half of both colonic and enteric intussusceptions are associated with malignancy.
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            Adult Intussusception: A Retrospective Review

            Background Intussusception is common in children but rare in adults. The goal of this study was to review retrospectively the symptoms, diagnosis, and treatment of intussusception in adults. Methods From 1997 to 2013, we experienced 44 patients of intussusception in patients older than 18 years. The patients were divided into enteric, ileocolic, ileocecal, and colocolonic (rectal) types. The diagnosis and treatment of these patients were reviewed. Results Of the 44 patients of adult intussusception, 42 were diagnosed with abdominal ultrasonography and abdominal computed tomography. There were 12 patients of enteric intussusception, six patients of ileocolic intussusception, 16 patients of ileocecal type intussusception, and 10 patients of colonic (rectal) intussusception. Among them, 77.3 % were associated with a tumor. Among 12 patients of enteric intussusception, three were associated with a metastatic intestinal tumor, and one was associated with a benign tumor. Among six patients of ileocolic intussusception, two patients were associated with malignant disease. Also, 93.8 % of ileocecal intussusceptions were associated with tumors, 80.0 % of which were malignant. Similarly, 90.0 % of colonic intussusceptions were associated with malignant tumors. Intussusception was reduced before or during surgery in 28 patients. Surgery was performed in 41 patients, and laparoscopy-assisted surgery was performed for ab underlying disease in 12 patients. Conclusions Preoperative diagnoses were possible in almost all patients. Reduction greatly benefited any surgery required and the extent of the resection regardless of the underlying disease and surgical site.
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              Surgical management of intussusception in the adult.

              Controversy concerning the appropriate surgical management of intussusception in the adult prompted review of the Mayo Clinic's experience with this uncommon entity. During the last 23 years, 48 patients had documented intussusception: 24 instances of intussusception originating in the small intestine and 24 instances of intussusception originating in the colon. Two-thirds of the colonic intussusceptions were associated with primary carcinoma of the colon. Only one-third of the intussusceptions of the small intestine were harbingers of malignancy, and 70% of these lesions were metastatic. Because of these findings, we advocate resection of intussusceptions of the colon without initial surgical reduction, in order to minimize the operative manipulation of a potential malignancy. In the patient with intussusception of the small intestine, an associated primary malignancy is uncommon. Initial reduction, followed by limited surgical resection, is the preferred treatment. Surgical resection without reduction is favored only when an underlying primary malignancy is clinically suspected.
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                Author and article information

                Journal
                Cureus
                Cureus
                2168-8184
                Cureus
                Cureus (Palo Alto (CA) )
                2168-8184
                3 September 2021
                September 2021
                : 13
                : 9
                : e17680
                Affiliations
                [1 ] Department of Surgery, Grandview Medical Center, Dayton, USA
                Author notes
                Article
                10.7759/cureus.17680
                8489548
                34650857
                3e292f7d-6f9d-49bd-80d7-5457c1d729aa
                Copyright © 2021, Reyes et al.

                This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                History
                : 3 September 2021
                Categories
                Gastroenterology
                General Surgery

                adult intussusception,colonic intussusception,preoperative reduction,cecal adenoma,en bloc resection

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