Volume 114, Issue 2, Pages 642-647 (August 1998) Pyogenic Vertebral Osteomyelitis Presenting as Exudative Pleural Effusion  Steven N. Bass, MD, Rajesh K. Ailani, MD, Raja Shekar, MD, Adi A. Gerblich, MD, FCCP  CHEST  Volume 114, Issue 2, Pages 642-647 (August 1998) DOI: 10.1378/chest.114.2.642 Copyright © 1998 The American College of Chest Physicians Terms and Conditions

FIGURE 1 The initial chest x-ray film showing a small effusion on the left side (case 1). CHEST 1998 114, 642-647DOI: (10.1378/chest.114.2.642) Copyright © 1998 The American College of Chest Physicians Terms and Conditions

FIGURE 2 MRI of the spine (of case 2) showing increased signal intensity at the level of T10-11 on T-2-weighted image and loss of disk space height. CHEST 1998 114, 642-647DOI: (10.1378/chest.114.2.642) Copyright © 1998 The American College of Chest Physicians Terms and Conditions

FIGURE 3 MRI of the spine (of case 3) showing increased signal intensity in the disk space on T-2- weighted image suggestive of disk infection. There is destruction of the vertebral body of T6-7. CHEST 1998 114, 642-647DOI: (10.1378/chest.114.2.642) Copyright © 1998 The American College of Chest Physicians Terms and Conditions

FIGURE 4 MRI of the spine (of case 5) showing increased signal intensity in the disk space of T6-7 suggestive of disk space infection with epidural extension and posterior displacement of the cord. CHEST 1998 114, 642-647DOI: (10.1378/chest.114.2.642) Copyright © 1998 The American College of Chest Physicians Terms and Conditions