November 1, 2011

Unilateral Diaphragmatic Elevation

An AP chest radiograph shows elevation of the right hemidiaphragm.

Unilateral Diaphragmatic Elevation: Differentials
  • Lung/pleural disease: Pneumonectomy, lobectomy, pleurisy, subpulmonic effusion
  • Diaphragm disease: Phrenic nerve palsy / eventration
  • Abdominal disease: Hepatomegaly / hepatic mass / abdominal neoplasm / distended stomach

US and CT images demonstrate a very large cyst in the right lobe liver as a cause of elevated right hemidiaphragm.

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