title: Neoplasm to neoplasm metastasis. A renal oncocytoma with metastatic bronchogenic carcinoma.
abstract: An unusual case of metastasis of neoplasm to a benign neoplasm is reported. The initial malignancy, a small-cell bronchogenic carcinoma, was found to have metastasis to a renal oncocytoma. A review of the literature indicates, according to our knowledge, no similar case.
mesh_terms: D000236:Adenoma / Q000473:pathology / Q000556:secondary*; D000368:Aged; D001932:Brain Neoplasms / Q000556:secondary; D002277:Carcinoma / Q000473:pathology / Q000556:secondary*; D002283:Carcinoma, Bronchogenic / Q000473:pathology*; D018288:Carcinoma, Small Cell / Q000473:pathology*; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology / Q000556:secondary*; D008113:Liver Neoplasms / Q000556:secondary; D008175:Lung Neoplasms / Q000473:pathology*; D008297:Male; D009362:Neoplasm Metastasis / Q000473:pathology*