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Diagnosis of Renal Cell Carcinoma by Bone Marrow Aspiration Biopsy

We report a patient who presented with persistent unclear fever, anaemia and leucopenia. A bone marrow aspiration biopsy was performed due to these symptoms, revealing malignant adenocarcinoma cells with a suspicion of renal origin. A computerized tomography confirmed the diagnosis. The patient progressed rapidly and died of widespread metastatic papillary renal cell carcinoma.