Collaborative Hypertext of Radiology
- phrenic nerve paralysis: invasive Ca, trauma, aneurysm
- idiopathic: right-sided in males, poss. viral
- subphrenic disease: abscess, peritonitis; pancreas, GB
- neurological disease: polio, peripheral neuritis, zoster
- splinting: chest wall injury
- myotonia congenita
- pulmonary infarct
- gaseous distension of stomach or colon
- Chest fluoro may be helpful to rule out paralysis.
- Basal ("subpulmonic") effusion may mimic elevation.
Charles E. Kahn, Jr., MD - 2 February 1995
Last updated: 1 October 2013
Copyright © 2013, Charles E. Kahn, Jr.