ArticleCase reports in pathology2026
Perivascular Epithelioid Cell Neoplasm of the Lung: A Patient Case Report.
Article in Case reports in pathology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Perivascular Epithelioid Cell Neoplasm of the Lung: A Patient Case Report.Case reports in pathology · 2026Article
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4 authors.
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Abstract
Perivascular epithelioid cell tumors (PEComa) are a family of tumors characterized by epithelioid cells and are often found in perivascular spaces. Cases originating in the lungs are highly uncommon. We discuss the case of a pulmonary PEComa found in a 71-year-old male who had two instances of lung cancer 4 years prior. He had received a left lower lobectomy and a subsequent right upper lobectomy for separate primary Stage IA adenocarcinomas. His most recent surveillance imaging revealed a cystic lesion in the left upper lobe. A surgical course of treatment was recommended, and a wedge resection was performed. After immunohistochemical and genetic analysis, the lesion was characterized as a localized PEComa that was positive for Melan-A and Cathepsin-K on IHC, although negative for HMB-45. The current case contributes to the expanding histopathologic profile of these lesions.
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