Bronchiolitis is a broad term that refers to any form of inflammation of the bronchioles. It can carry variable clinical, functional and morphological expression. Bronchiolar disease may be a primary or a secondary condition.

According to some authors, there is some overlap with the term small airways disease 5.

Radiographic features


The presence of bronchiolitis is best assessed with HRCT.

CT classification

One method of classifying various forms of bronchiolitis is as follows 1:

Exact radiographic features are best discussed under each sub topic.

Other specific forms according to underlying pathology include:

See also

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Article information

rID: 16618
System: Chest
Section: Gamuts
Tag: cases
Synonyms or Alternate Spellings:
  • Bronchiolitis : General
  • Bronchiolitides

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Cases and figures

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    Case 1: infectious bronchiolitis
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    Case 2: with bronchiolar wall thickening
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    Case 3
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