Related Experiment Video
Updated: Aug 15, 2026

A Mouse Model of Pulmonary Fibrosis Induced by Nasal Bleomycin Nebulization
Published on: January 20, 2023
Lung bullae and pulmonary fibrosis associated with marijuana smoking
1Department of Diagnostic Imaging, Monash Medical Centre, Clayton Road, Melbourne, Victoria 3168, Australia.
Abstract:
A 26-year-old man with a history of heavy marijuana and minimal tobacco use was found to have extensive bilateral lung bullae and interstitial fibrosis, heavily infiltrated by pigmented macrophages. These features can be associated with marijuana smoking. The differential diagnoses in this patient are also discussed.
Related Concept Videos
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Inflammation
Other Pulmonary Disorders
Chronic Obstructive Pulmonary Disease II: Emphysema
Pulmonary Tuberculosis II
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
Pulmonary Tuberculosis I
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
