A 78-year-old female asked:
what is the meaning of increased interstitial markings when found on a chest x ray?
1 doctor answer
Dr. Gerald Mandell answered
51 years experience Nuclear Medicine
Several things: Interstitial markings in lungs are characterized by lines and dots with disease processes affecting the intersititium.Interstitium, lace-like network of tissue that extends throughout both lungs, provides support to the lungs alveoli. Tiny blood vessels travel through interstitium, allowing gas exchange between blood and air. Fibrosis or scarring, infection, changes from smoking.Asbestosis, etc.
Answered on Nov 28, 2017
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