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Case Reports
. 2024 Jun 14;12(6):e9076.
doi: 10.1002/ccr3.9076. eCollection 2024 Jun.

Gastric metastasis of renal cell carcinoma treated with endoscopic resection: A case report

Kaori Yamashita  1 , Satoshi Kubota  1 , Harutoshi Sugiyama  2 , Keita Yoshida  3 , Takahiro Shiseki  1   4 , Tetsushi Sakamoto  1 , Tadao Nakazawa  3 , Masashi Inui  1
Affiliations
Case Reports

Gastric metastasis of renal cell carcinoma treated with endoscopic resection: A case report

Kaori Yamashita et al. Clin Case Rep. .

Abstract

Gastric metastasis of renal cell carcinoma (RCC) is rarely encountered. The time interval between the primary diagnosis of RCC and the occurrence of gastric metastasis tends to occur after more than 10 years. Clinicians should be diligent in checking the general symptoms of patients for more than 10 years.

Keywords: cancer; kidney; oncology; stomach.

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Conflict of interest statement

The authors have no conflicts of interest to declare.

Figures

FIGURE 1
FIGURE 1
Imaging findings of gastrointestinal endoscopy. The gastric tumor is a mass with diameter of 15 mm in the body of the stomach.
FIGURE 2
FIGURE 2
Microscopic findings and immunohistochemistry results. (A) The tumor is composed of nests circumscribed by abundant vascular stroma with hemorrhage. (B) Neoplastic cells show nuclear atypia of grade 2 and clear cytoplasm under high‐power magnification (H&E; magnification, ×40). (C–F) The membrane of carcinoma cells exhibits immunopositivity for CAM 5.2, CA9, and CD10 (C: CAM5.2; D: CA9; E: CD10) and are devoid of reactivity for CK7 (F). CA9, carbonic anhydrase 9; CD10, cluster of differentiation 10; CK7, cytokeratin 7; H&E, hematoxylin and eosin.
See this image and copyright information in PMC

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