“同形性”肿瘤转移作为一种内诊断线索：肾细胞癌转移至胃的病例系列
"Homomorphic" Tumor Metastases as an Endodiagnostic Clue: A Case Series of Renal-Cell Carcinoma Metastatic to the Stomach.
作者信息
Weissman Simcha, Mehta Tej I, Zhornitskiy Alex, Tondon Rashmi, Tabibian James H
机构信息
Department of Medicine, Palisades Medical Center, Hackensack University, North Bergen, New Jersey, USA.
Department of Medicine, University of South Dakota Sanford School of Medicine, Sioux Falls, South Dakota, USA.
出版信息
Gastrointest Tumors. 2019 Oct;6(3-4):147-152. doi: 10.1159/000502520. Epub 2019 Sep 12.
Distinguishing between a primary malignancy and a metastasis can be challenging in some cases. Herein, we describe 2 cases of gastric lesions that were endoscopically sampled and ultimately found to be metastatic from a renal-cell carcinoma. In both cases, the gastric metastases were endoscopically homomorphic to the primary organ (the kidney); i.e., grossly resembling and thus providing an endoscopic clue as to the primary tumor source. We report on the evaluation of obscure metastatic gastric involvement of malignancy and present the concept of homomorphism as a potential diagnostic clue in determining the source of unknown and often unsuspected primary malignancy.
在某些情况下，区分原发性恶性肿瘤和转移瘤可能具有挑战性。在此，我们描述2例胃病变，这些病变经内镜取样，最终发现是肾细胞癌转移所致。在这两例中，胃转移瘤在内镜下与原发器官（肾脏）形态相似；也就是说，外观上相似，从而为原发性肿瘤来源提供了内镜线索。我们报告了对隐匿性转移性胃恶性肿瘤的评估，并提出了同形性这一概念，作为确定未知且常常未被怀疑的原发性恶性肿瘤来源的潜在诊断线索。
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