{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T16:24:34Z","timestamp":1787761474375,"version":"build-2784847793"},"reference-count":26,"publisher":"SAGE Publications","issue":"8","license":[{"start":{"date-parts":[[2023,3,9]],"date-time":"2023-03-09T00:00:00Z","timestamp":1678320000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Int J Surg Pathol"],"published-print":{"date-parts":[[2023,12]]},"abstract":"<jats:p>Adenocarcinomas with enteroblastic differentiation are rare clear cell tumors that are positive for enteroblastic markers. Enteroblastic differentiation is particularly uncommon in colorectal adenocarcinomas. Herein, we report a case of clear cell adenocarcinoma with enteroblastic differentiation in the sigmoid colon of a 38-year-old Japanese woman that metastasized to the lower left ureter. After neoadjuvant chemotherapy, the patient underwent low anterior resection. The tumor consisted of tubular, cribriform, and focal micropapillary proliferation of clear cells immunopositive for spalt-like transcription factor 4 (SALL4), glypican 3, and alpha-fetoprotein. Six months after the colonic resection, a tumor was found in the left lower ureter, which was resected. The ureteral tumor revealed clear cell adenocarcinoma, which was identical to the colonic tumor proliferating in the ureteral mucosa. Metastatic ureteral tumors are rare. We performed a literature search and found only 50 reported cases of ureteral metastases from colorectal cancer. Of these, only 10 metastatic tumors were identified in the ureteral mucosa. No case of ureteral metastasis of clear cell colorectal adenocarcinoma or colorectal adenocarcinoma with enteroblastic differentiation has been reported. Hence, it can be challenging to distinguish them from clear cell adenocarcinoma of the urinary tract and\/or clear cell urothelial carcinoma. This paper discussed the differential diagnosis of these tumors and reviewed the clinicopathological features of colorectal carcinomas metastasizing to the ureter.<\/jats:p>","DOI":"10.1177\/10668969231160257","type":"journal-article","created":{"date-parts":[[2023,3,10]],"date-time":"2023-03-10T00:20:00Z","timestamp":1678407600000},"page":"1553-1558","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["Ureteral Metastasis of Colonic Adenocarcinoma with Enteroblastic Differentiation: A Rare Case to be Distinguished from Clear Cell Adenocarcinoma of the Urinary Tract"],"prefix":"10.1177","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2166-2874","authenticated-orcid":false,"given":"Hiroshi","family":"Minato","sequence":"first","affiliation":[{"name":"Ishikawa Prefectural Central Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akane","family":"Yoshikawa","sequence":"additional","affiliation":[{"name":"Ishikawa Prefectural Central Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sho","family":"Tsuyama","sequence":"additional","affiliation":[{"name":"Ishikawa Prefectural Central Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kazuyoshi","family":"Katayanagi","sequence":"additional","affiliation":[{"name":"Ishikawa Prefectural Central Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kengo","family":"Hayashi","sequence":"additional","affiliation":[{"name":"Ishikawa Prefectural Central Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yusuke","family":"Sakimura","sequence":"additional","affiliation":[{"name":"Ishikawa Prefectural Central Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroyuki","family":"Bando","sequence":"additional","affiliation":[{"name":"Ishikawa Prefectural Central Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tomohiro","family":"Hori","sequence":"additional","affiliation":[{"name":"Ishikawa Prefectural Central Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yosuke","family":"Kito","sequence":"additional","affiliation":[{"name":"Ishikawa Prefectural Central Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2023,3,9]]},"reference":[{"key":"e_1_3_2_2_2","unstructured":"Board WCoTE. 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