RADIOLOGY: HEMATOLOGIC: BONE MARROW: ERYTHROLEUKEMIA: BONE MARROW SCAN; SEE IMAGE 45605 SCAN SHOWS AN ABNORMAL DISTRIBUTION OF FUNCTIONING MARROW WITH MARKED DEGREE OF EXTRAMEDULLARY HEMATOPOIESIS. ABNORMAL UPTAKE IS SEEN EXTENDING THE LENGTH OF THE LOWER AND UPPER EXTREMITIES. IN ADDITION, THE ISOTOPE IS SEEN (RADIONUCLIDE SCAN)