{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T12:45:05Z","timestamp":1777725905336,"version":"3.51.4"},"reference-count":30,"publisher":"SAGE Publications","issue":"12","license":[{"start":{"date-parts":[[2020,12,1]],"date-time":"2020-12-01T00:00:00Z","timestamp":1606780800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Int Med Res"],"published-print":{"date-parts":[[2020,12]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To study the clinicopathological features and differential diagnosis of gastrofibromatosis-like undifferentiated carcinoma (GFLUC).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Three patients with GFLUC underwent histological and immunophenotypic analyses and fluorescence in situ hybridization to detect human epidermal growth factor receptor ( HER2) gene amplification.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Among the three patients (2 male [36 and 44 years old], 1 female [58 years old]), two had lesions in the gastric body and one had lesions in the gastric antrum. Histological analysis revealed mixtures of aggressive fibromatosis and undifferentiated carcinoma in all three cases. Highly invasive fibromatous tissue, consisting of fibroblasts, proliferating myofibroblasts, and collagenous fibrous tissues, accounted for &gt;90% of the tumor, with undifferentiated cancerous tissue accounting for &lt;10% scattered in the gaps within the invasive fibromatous tissue, with no glandular ducts or nests. Immunophenotypic analysis showed that the undifferentiated cancerous cells were positive for pan-cytokeratin, CDX2, villin, and p53, while the cytoplasm of invasive fibromatous cells was positive for vimentin, \u03b2-catenin, and smooth muscle actin. No HER2 gene amplification was detected.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Unlike other gastric carcinomas, GFLUC shows specific histological, biological, and immunophenotypic characteristics.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/0300060520974463","type":"journal-article","created":{"date-parts":[[2020,12,29]],"date-time":"2020-12-29T13:01:56Z","timestamp":1609246916000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Clinicopathological features and differential diagnosis of gastrofibromatosis-like undifferentiated carcinoma"],"prefix":"10.1177","volume":"48","author":[{"given":"Zhishang","family":"Zhang","sequence":"first","affiliation":[{"name":"Department of Pathology, Shenzhen Hospital of Southern Medical University, Shenzhen, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guang","family":"Zhao","sequence":"additional","affiliation":[{"name":"Department of Central Laboratory, The 989 Hospital of the Joint Logistic Support Force of the PLA, Luoyang, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bo","family":"Jiang","sequence":"additional","affiliation":[{"name":"Department of Pathology, The 990 Hospital of the Joint Logistic Support Force of the PLA, Zhumadian, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Baohui","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Central Laboratory, The 989 Hospital of the Joint Logistic Support Force of the PLA, Luoyang, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5664-058X","authenticated-orcid":false,"given":"Yangkun","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Pathology, Shenzhen 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