Thymoma

  • Etiology: neoplasm arising from thymic epithelial tissue
  • CXR: more mass-like and resembles lobes of thymus less
  • Clinical: associated with myasthenia gravis

Cases of Thymoma

CXR and CT of thymoma
CXR PA and lateral (above) shows a mass centered in the anterior mediastinum with a right pleural effusion. Axial images from a CT with contrast of the chest shows a large solid anterior mediastinal mass that has a few areas of calcification (lower left) and fat (lower right) within it.