Chlamydia pneumonia

Chlamydia pneumonia is a form of atypical pneumonia.

Pathology

It is caused be the organism Chlamydophila pneumoniae (a species of Chlamydophila) which is  an obligate intracellular bacterium that infects humans.

Radiographic features

CT chest

Non specific with overlap of features with pneumonias from other organisms. Can have a wide spectrum of findings inclusive of

  • bronchovascular bundle thickening
  • nodules
  • pleural effusion
  • lymphadenopathy: uncommon
  • reticular or linear opacities
  • airway dilatation
  • pulmonary emphysema

Many have bilateral lung involvement.

See also