*Masson body*
Granulation tissue plug found in lumen of small airways in bronchiolitis obliterans obstructive
pneumonia (BOOP).
Masson body was termed by Masson Riopelle and Martin in 1937.
Bronchiolitis obliterans organizing pneumonia ( BOOP ) is an inflammation of the bronchioles ( bronchiolitis )and surrounding tissue in the lungs . It is an non infectious pneumonia .BOOP is often caused by a pre-existing chronic inflammatory disease like rheumatoid arthritis . BOOP can also be a side effect of certain medicinal drugs, e.g. amiodarone . BOOP was discovered by Dr. Gary Epler in 1985.
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