(A and B) Coronal emission FDG-PET scan before BMT. PET shows multiple inflammatory lesions in the lungs and an inflammatory focus in the upper left psoas with an intense FDG uptake. Physiologic high FDG uptake is seen in the brain, kidneys, and bladder. (C, D, and E) Axial transmission corrected FDG-PET image and corresponding CT images. Both PET and CT show inflammatory lesions in the left lung invading a rib and in the left psoas. (F) Coronal emission FDG-PET scan 3 months after BMT. Hypermetabolic lesions have disappeared.