Identification of the BRAF V600E mutation in a patient with sclerosing pneumocytoma: A case report

•BRAF V600E is common in malignant tumor, like melanoma and NSCLC.•Sclerosing pneumocytoma is a rare benign tumor.•Sclerosing pneumocytoma has limit data in genomic research.•It’s the first report that BRAF V600E was found in a young sclerosing pneumocytoma.•The report extended understandings of pathogenesis of sclerosing pneumocytoma.