César Vargas-Serafín, MD | Authors

Biphenotypic Extramedullary Blast Crisis of Chronic Myeloid Leukemia With Variant Philadelphia Chromosome Translocation

August 15, 2015

A 45-year-old man with a known history of rheumatic fever and aortic valve replacement 15 years earlier presented with the chief complaint of a 1-month history of progressive, intense, nonmechanical lumbar pain.