{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T09:11:51Z","timestamp":1790241111746,"version":"4.1.0"},"reference-count":22,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2025,10,4]],"date-time":"2025-10-04T00:00:00Z","timestamp":1759536000000},"content-version":"vor","delay-in-days":3,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,10,1]],"date-time":"2025-10-01T00:00:00Z","timestamp":1759276800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Case Reports"],"published-print":{"date-parts":[[2025,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>This case report discusses a rare instance of a 69\u2010year\u2010old woman presenting with lower limb paresthesia, whose imaging showed suspicious nodules in the sigmoid colon and no other obvious sites of malignancy. Laparoscopic anterior resection was performed and subsequent immunohistochemical examination revealed an unexpected diagnosis of colonic metastasis from a carcinoma of tubo\u2010ovarian origin, which necessitated a second surgery. Metastatic lesions of the colon from other organs are uncommon, and accurate diagnosis without clear evidence of the primary tumor poses a challenge. This case emphasizes the consideration for re\u2010biopsy when initial samples lack sufficient tissue for thorough immunohistochemical examination, highlighting the importance of detailed histopathology in guiding diagnosis and treatment in metastatic cases. We also discuss the utility of identifying paraneoplastic neurological syndromes and onconeural antibodies in determining the tubo\u2010ovarian origin of cancer.<\/jats:p>","DOI":"10.1002\/ccr3.71131","type":"journal-article","created":{"date-parts":[[2025,10,4]],"date-time":"2025-10-04T07:09:30Z","timestamp":1759561770000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Microscopic Primary Tubal Serous Carcinoma With Colon Metastasis and Paraneoplastic Neurological Syndrome: A Case Report"],"prefix":"10.1002","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0009-0007-3674-4019","authenticated-orcid":false,"given":"Tyler","family":"Ye","sequence":"first","affiliation":[{"name":"School of Medicine Western Sydney University  Campbelltown New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0002-5012-7547","authenticated-orcid":false,"given":"Dinuke","family":"De Silva","sequence":"additional","affiliation":[{"name":"Department of Anatomical Pathology Liverpool Hospital  Liverpool New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leonardo D.","family":"Santos","sequence":"additional","affiliation":[{"name":"Department of Anatomical Pathology Liverpool Hospital  Liverpool New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5609-0012","authenticated-orcid":false,"given":"Felicia","family":"Roncolato","sequence":"additional","affiliation":[{"name":"Department of Medical Oncology Campbelltown Hospital  Campbelltown New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4852-1193","authenticated-orcid":false,"given":"Stanley","family":"Levy","sequence":"additional","affiliation":[{"name":"Department of Neurology Campbelltown Hospital  Campbelltown New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7611-8481","authenticated-orcid":false,"given":"Auerilius Erastus Ricardo","family":"Hamilton","sequence":"additional","affiliation":[{"name":"Department of General Surgery Campbelltown Hospital  Campbelltown New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,10,4]]},"reference":[{"issue":"3","key":"e_1_2_12_2_1","first-page":"282","article-title":"Secondary Metastatic Lesions to Colon and Rectum","volume":"31","author":"Galanopoulos M.","year":"2018","journal-title":"Annals of Gastroenterology"},{"key":"e_1_2_12_3_1","doi-asserted-by":"publisher","DOI":"10.1634\/theoncologist.11-8-902"},{"issue":"5","key":"e_1_2_12_4_1","first-page":"585","article-title":"Isolated Sigmoid Colon Metastasis From a Primary Fallopian Tube Carcinoma: A Case Report","volume":"32","author":"Deliveliotou A.","year":"2011","journal-title":"European Journal of Gynaecological Oncology"},{"issue":"8","key":"e_1_2_12_5_1","article-title":"Fallopian Tube Tumor Mimicking Primary Gastrointestinal Malignancy","volume":"12","author":"Gupta A. 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