ACCELERATED PHASE OF CHRONIC MYELOID-LEUKEMIA PRESENTING WITH HYPERCALCEMIA AND A MEDIASTINAL MASS

A patient with chronic myeloid leukemia developed hypercalcemia as a p resenting sign of the accelerated phase of the disease. Ultrasound of the neck showed a large hypodense mass connected to the thyroid gland, which was thought to be a parathyorid tumor and the cause of the hype rcalcemia. Histology of the surgically removed mass revealed a chlorom a. The patient's course was complicated by respiratory failure and met astatic calcinosis of the lung, an unusual finding in hypercalcemia of short duration.