Curschmann's spirals are a microscopic finding in the sputum of asthmatics. They are spiral-shaped mucus plugs from subepithelial mucous gland ducts of bronchi. They may occur in several different lung diseases and may refer to parts of the desquamated epithelium seen in lavages from asthmatic patients.
Curschmann's spirals are microscopic structures observed in the sputum of individuals with asthma, representing spiral-shaped mucus plugs originating from subepithelial mucous gland ducts within the bronchi. These findings can be associated with various lung diseases and may relate to desquamated epithelial cells found in sputum samples from asthmatic patients.