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      Leiomyosarcoma of the Sigmoid Colon Causing Sigmoido-Rectal Intussusception: A Case Report Translated title: 구불결장-직장 장중첩증을 유발한 구불결장의 평활근육종: 증례 보고

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          Abstract

          The most common malignant tumors in the colon are adenocarcinomas, while leiomyosarcoma (LMS) are rare. Here, we report a case of LMS of the sigmoid colon in a 73-year-old man who presented with sigmoido-rectal intussusception, which was discovered by abdominal computed tomography. As LMS of the colon is uncommon and is rarely associated with intussusception, we have described the imaging features in this case report.

          Translated abstract

          결장에 영향을 미치는 악성 종양은 주로 선암종이며 결장의 평활근육종은 드물다. 저자들은 73세 남자 환자에서 복부 컴퓨터단층촬영상 구불결장-직장 장중첩증과 함께 발견된 구불결장의 평활근육종의 증례를 보고하고자 한다. 결장의 평활근육종은 드물고 장중첩증과 관련되어 보고된 바는 더욱 드물기에, 저자들은 증례 보고와 함께 영상의학적 특징을 기술하였다.

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          Most cited references10

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          Intussusception in adults. Review of 160 cases.

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            Adult intestinal intussusception: CT appearances and identification of a causative lead point.

            The widespread application of computed tomography (CT) in different clinical situations has increased the detection of intussusception, particularly non-lead point intussusception, which tends to be transient. Consequently, determining the clinical significance of intussusception seen at CT poses a diagnostic challenge. Patients with intussusception may or may not be symptomatic, and symptoms can be acute, intermittent, or chronic, making clinical diagnosis difficult. In most cases, radiologists can readily make the correct diagnosis of intestinal intussusception by noting the typical bowel-within-bowel appearance at abdominal CT. However, the CT findings that help differentiate between lead point and non-lead point intussusception have not been well studied. Nevertheless, although there is considerable overlap of CT findings, when a lead mass is seen at CT as a separate and distinct entity vis-à-vis edematous bowel, it can be considered a reliable indicator of a lead point intussusception. Differentiating between lead point and non-lead point intussusception is important in determining the appropriate treatment and has the potential to reduce the prevalence of unnecessary surgery. Copyright RSNA, 2006.
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              Predictors of survival and recurrence in primary leiomyosarcoma.

              Leiomyosarcoma is a soft tissue sarcoma whose outcome has historically been confounded by the inclusion of gastrointestinal stromal tumors. Thus, we sought to determine the factors that predict survival and recurrence in patients with primary leiomyosarcoma alone.
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                Author and article information

                Journal
                Taehan Yongsang Uihakhoe Chi
                Taehan Yongsang Uihakhoe Chi
                JKSR
                Journal of the Korean Society of Radiology (Taehan Yŏngsang Ŭihakhoe chi)
                The Korean Society of Radiology
                1738-2637
                2288-2928
                January 2021
                10 December 2020
                : 82
                : 1
                : 201-206
                Affiliations
                [1 ]Department of Radiology, Nowon Eulji Medical Center, Eulji University, Seoul, Korea. [1 ]을지대학교 노원을지대학교병원 영상의학과
                [2 ]Department of Pathology, Nowon Eulji Medical Center, Eulji University, Seoul, Korea. [2 ]을지대학교 노원을지대학교병원 병리과
                Author notes
                Corresponding author: Yoon Young Jung, MD. Department of Radiology, Nowon Eulji Medical Center, Eulji University, 68 Hangeulbiseok-ro, Nowon-gu, Seoul 01830, Korea. Tel 82-2-970-8290, Fax 82-2-970-8346, jyy@ 123456eulji.ac.kr
                Article
                10.3348/jksr.2020.0038
                9432394
                8931d2ea-f0a2-4e26-b088-0dc76d91e8d7
                Copyrights © 2021 The Korean Society of Radiology

                This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( https://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 05 March 2020
                : 16 April 2020
                : 22 May 2020
                Categories
                Abdominal Imaging
                Case Report

                leiomyosarcoma,colonic neoplasm,intussusception,multidetector computed tomography

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