Article: Robotic wedge resection of a rare gastric perivascular epithelioid cell tumor: A case report.
World journal of clinical cases
2019 Volume 7, Issue 23, Page(s) 4011–4019
Abstract: Background: Perivascular epithelioid cell tumor (PEComa) is a rare mesenchymal neoplasm that can arise in many different organs with a broad spectrum of biological behavior, from indolent to aggressive progression. Only ten cases of gastric PEComas have ...
Abstract | Background: Perivascular epithelioid cell tumor (PEComa) is a rare mesenchymal neoplasm that can arise in many different organs with a broad spectrum of biological behavior, from indolent to aggressive progression. Only ten cases of gastric PEComas have been reported in the English literature, which were treated with endoscopic, laparoscopic, or open resections. Due to its rarity, the optimal surgical management and prognosis of this tumor are still uncertain. Case summary: We present a case of robotic wedge resection of a 6.5 cm bleeding lesion of the gastric fundus located 3 cm below the esophago-gastric junction in a 55-year-old man. Biopsy revealed a malignant tumor with epithelioid cells focally positive for muscle markers desmin and smooth muscle actin. In addition, histology revealed that the tumor was positive for HMB-45, melan-A (MART-1), microphthalmia transcription factor and negative for pan-cytokeratin AE1/AE3, CD34, p40, DOG-1, CD117 (c-kit), S100, CD3, CD79a, caldesmon and myogenin. These markers suggested the possibility of a PEComa. The patient underwent a diagnostic laparoscopy Conclusion: Gastric PEComa can be treated with a robotic R0 resection with acceptable postoperative and short-term oncological outcomes. |
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Language | English |
Publishing date | 2019-11-30 |
Publishing country | United States |
Document type | Case Reports |
ISSN | 2307-8960 |
ISSN | 2307-8960 |
DOI | 10.12998/wjcc.v7.i23.4011 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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