47. Bronchial asthma: Difference between revisions

'''Description''':[[File:Bronchial asthma mucus plug.png|thumb|Mucus plug and other characteristic alterations|368x368px]]The lung parenchyme is normal. However, the bronchus shows 6 alterations:

'''Theory''':[[File:Bronchial asthma goblet cell hyperplasia.png|thumb|Goblet cell hyperplasia|355x355px]]The slide exists in both PAS and HE form. They’re both taken from the same preparation, at approximately the same height. Asthma is a chronic inflammatory disorder of the airways that causes recurrent acute episodes of wheezing and cough. Intermittent and reversible airway obstruction is characteristic, along with eosinophilic inflammation of the bronchi, smooth muscle hypertrophy and hyperplasia and increased mucus production. We can recognize that we’re looking at a bronchus by the presence of cartilage.[[File:Bronchial asthma eosinophils.png|thumb|Lymphocytes and plasma cells can also be seen, but I can’t recognize those.]]''Recognize eosinophils for extra points on the exam.''[[File:Bronchial asthma mucous glands.png|thumb|Mucous glands|left|396x396px]]