An elderly man with intermittent right arm numbness and polycythemia

Roshini George, DO
Department of Hematology and Medical Oncology, Cleveland Clinic

Alan Lichtin, MD
Department of Hematology and Medical Oncology, Cleveland Clinic

Address: Alan Lichtin, MD, Department of Hematology and Medical Oncology, T40,  Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195; lichtia@ccf.org

Roshini George, DO
Department of Hematology and Medical Oncology, Cleveland Clinic

Alan Lichtin, MD
Department of Hematology and Medical Oncology, Cleveland Clinic

Address: Alan Lichtin, MD, Department of Hematology and Medical Oncology, T40,  Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195; lichtia@ccf.org

Roshini George, DO
Department of Hematology and Medical Oncology, Cleveland Clinic

Alan Lichtin, MD
Department of Hematology and Medical Oncology, Cleveland Clinic

Address: Alan Lichtin, MD, Department of Hematology and Medical Oncology, T40,  Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195; lichtia@ccf.org