{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T04:13:44Z","timestamp":1772165624143,"version":"3.50.1"},"reference-count":23,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2023,11,23]],"date-time":"2023-11-23T00:00:00Z","timestamp":1700697600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2023,11,23]],"date-time":"2023-11-23T00:00:00Z","timestamp":1700697600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"name":"The study was supported by Nature Science Foundation of Shandong Province, China","award":["ZR2020LZL003"],"award-info":[{"award-number":["ZR2020LZL003"]}]},{"name":"The study was supported by Nature Science Foundation of Shandong Province, China","award":["ZR2020LZL003"],"award-info":[{"award-number":["ZR2020LZL003"]}]},{"name":"The study was supported by Nature Science Foundation of Shandong Province, China","award":["ZR2020LZL003"],"award-info":[{"award-number":["ZR2020LZL003"]}]},{"name":"The Taishan Scholars Program of Shandong Province"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Gastroenterol"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To present a study to identify the characteristics of coexisting early gastric cancer (EGC) and benign submucosal lesions, with the aim of reducing the adverse consequences of overdiagnosis and overtreatment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>In this retrospective study, we searched the endoscopic databases of three tertiary centers. We screened of patients suspected of early gastric cancer submucosal infiltration by conventional endoscopy and ultimately selected for endoscopic submucosal dissection treatment after endoscopic ultrasonography and magnifying endoscopy with narrow-band imaging examination. Patients with coexisting EGC and benign submucosal lesions in histological sections were included. Clinical data and endoscopic images were reviewed. To evaluate the precision of endoscopists\u2019 diagnoses for this type of lesion, eight endoscopists with different experiences were recruited to judge the infiltration depth of these lesions and analyze the accuracy rate.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      We screened 520 patients and retrospectively identified 18 EGC patients with an invasive cancer-like morphology. The most common lesion site was the cardia (12\/18, 66.67%). The coexisting submucosal lesions could be divided into solid (5\/18, 27.78%) and cystic (13\/18, 72.22%). The most common type of submucosal lesion was gastritis cystica profunda (12\/18, 66.67%), whereas leiomyoma was the predominant submucosal solid lesion (3\/18, 16.67%). Ten (55.56%) patients\u2009&lt;\u2009underwent endoscopic ultrasonography; submucosal lesions were definitively diagnosed in 6 patients (60.00%). The accuracy of judgement of the infiltration depth was significantly lower in cases of coexistence of EGC with benign submucosal lesions (EGC-SML) than in EGC (38.50% versus 65.60%,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.0167). The rate of over-diagnosis was significantly higher within the EGC-SML group compared to the EGC group (59.17% versus 10.83%,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.0001).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>We should be aware of the coexistence of EGC and benign submucosal lesions, the most common of which is early cardiac-differentiated cancer with gastritis cystica profunda.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12876-023-03044-3","type":"journal-article","created":{"date-parts":[[2023,11,23]],"date-time":"2023-11-23T04:04:31Z","timestamp":1700712271000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Coexistence of early gastric cancer and benign submucosal lesions mimic invasive cancer: a retrospective multicenter experience"],"prefix":"10.1186","volume":"23","author":[{"given":"Huawei","family":"Yang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhen","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhi","family":"Wei","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guodong","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yi","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shanbin","family":"Wu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rui","family":"Ji","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2023,11,23]]},"reference":[{"key":"3044_CR1","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1007\/s10120-020-01042-y","volume":"24","author":"Japanese Gastric Cancer A","year":"2021","unstructured":"Japanese Gastric Cancer A. 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This study was approved by the Ethics Committee of Qilu Hospital, Shandong University (NO.2022-029). Written informed consent was waived by Ethical committee of Qilu Hospital, Shandong University (NO.2022-029).","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"409"}}