Curshmann's crystals are seen in ?

Ans. is 'a' i.e., Bronchial asthma Pathology of Asthma Gross ? Lungs are overdistended because of overinflation and there may be small area of atelactasis. The most striking macroscopic finding is occlusion of bronchi and bronchioles by thick tenacious mucus plugs. Histology ? Characterized by presence of numerous eosinophils and neutrophils. Curschman spiral - Whorls of shed epithelium in mucus plugs. Charcot -leyden crystals - Collection of crystalloids made up of eosinophilic membrane protein. The other characteristic histological finding of Asthma is collectively called Airway remodelling, it includes - Thickening of the basement membrane of the bronchial epithelium. Edema and an inflammatory infiltrate in the bronchial walls with a prominence of eosinophils and mast cells. An increase in the size of submucosal glands. Hyperophy of bronchial wall muscle. The "airway remodelling" contributes to airflow obstruction.