Pneumonia

Pneumonia is inflammation of the lung.

There are various types of pneumonia.

Infectious pnemonia

• Acute infectious pneumonia.
  • Pneumocystis pneumonia.
• Chronic infectious pneumonia.

Anatomical classification of pneumonia

• Generally, not used by clinicians.
• Use of the terms without qualification is discouraged... as they do not make explicit the etiology.

Bronchopneumonia

• Multiple foci of (acute) inflammation involving the bronchi.
• This is the most common form of (infectious) pneumonia.

Lobular pneumonia

• Pneumonia that involves a hole lobe.
• Rarely seen in areas where antibiotic treatments are widely available.

Diffuse lung diseases

Main article: Diffuse lung disease

• AKA idiopathic interstitial pneumonia.

Histologic pattern:

• Organizing pneumonia.
  • Cryptogenic organizing pneumonia.
• Usual interstitial pneumonia.
• Nonspecific interstitial pneumonia.
• Lymphocytic interstitial pneumonia.
• Desquamative interstitial pneumonia.
• Diffuse alveolar damage.
  • Acute interstitial pneumonia.

See also

• Medical lung diseases.
• Lung.