Pulmonology• Updated 21 October 2026
Bronchoscopy
A procedure using a thin camera passed into the airways to look inside the lungs and take samples.
Results: A few days for samples
Quick Summary
Primary Purpose
To investigate lung masses, infections such as TB and persistent symptoms.
What It Measures
The airways, plus fluid and tissue samples.
Preparation
Fast for 6 hours; arrange someone to take you home if sedated.
Overview
The camera goes through the nose or mouth.
Samples can confirm TB or cancer.
What It Measures
Airways
Inflammation, tumours, bleeding.
Samples
Washings and biopsies.
How It's Performed
- 01
Sedation
Throat spray and sedation.
- 02
Procedure
Camera passed into the airways for 20–30 minutes.
- 03
Recovery
No eating until the throat numbness wears off.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Bronchoscopy and Bronchoalveolar Lavage (BAL)(opens in a new tab) · MedlinePlus, US National Library of Medicine