• Linxian Zhao, Mingxiu Sui, Jiannan Li, and Kai Zhang.
• Department of General Surgery, The Second Hospital of Jilin University, Changchun, Jilin, China.
• Medicine (Baltimore). 2022 Aug 12; 101 (32): e29613e29613.

IntroductionIsolated splenic metastasis emanating from colorectal cancer is an extremely rare finding, which usually indicates widely disseminated and multiple metastatic cancer. There have only been 39 cases of isolated splenic metastasis reported in the English literature to date.Patient ConcernsAn 84-year-old female patient presented to our department with dark-red bloody stool that had persisted for 1 month and with an increased serum carcinoembryonic antigen (CEA) level.DiagnosesA colonoscopy showed a rectal mass located 3 cm from the anal margin, which was 45 mm in diameter. The patient was diagnosed with rectal cancer with splenic metastases by abdomen computed tomography.InterventionsThe patient underwent a radical resection of rectal cancer and splenectomy, and the postoperative histopathology confirmed that the splenic lesions were derived from the adenocarcinoma of the rectum.OutcomesAfter surgical treatment, the patient recovered well and was recommended for further chemotherapy.ConclusionsIn addition to revealing a rare case, we also performed a literature review, including a brief discussion about the atypical isolated splenic metastasis from colorectal cancer. Our findings enrich the database of this rare clinical entity and provide experience in the management of splenic metastasis.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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