Tram-track sign (chest)

Dr Henry Knipe et al.

Tram-track sign may be used in chest radiography to denote the thickened non-tapering (parallel) walls of cylindrical bronchiectasis.

It should not be confused with other tram-track signs elsewhere in the body. 

Share article

Article Information

rID: 32544
System: Chest
Section: Signs
Synonyms or Alternate Spellings:

Support Radiopaedia and see fewer ads

Cases and Figures

  • Drag
    Figure 1: tram-tracks
    Drag here to reorder.
  • Drag
    Case 1
    Drag here to reorder.
  • Updating… Please wait.
    Loadinganimation

    Alert accept

    Error Unable to process the form. Check for errors and try again.

    Alert accept Thank you for updating your details.