Charcot-Leyden crystal


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to Charcot-Leyden crystal: Charcot triad, asthma crystals

Charcot-Leyden crystal

[shärkō′lī′dən]
Etymology: Jean M. Charcot; Ernst V. von Leyden, German physician, 1832-1910
any of the proteinaceous crystalline structures shaped like narrow, double pyramids found in the sputum of persons suffering from asthma and found in the feces of dysentery patients. Charcot-Leyden crystals occur in association with the fragmentation of eosinophils. Also called asthma crystal, leukocytic crystal.

Charcot-Leyden crystal

(shăr-kō′lī′dĕn)
[Charcot; Ernest V. von Leyden, Ger. physician, 1832–1910]
A type of colorless, hexagonal, double-pointed, often needle-like crystal found in the sputum in asthma and bronchial bronchitis or in the feces in ulceration of the intestine, esp. amebiasis.
References in periodicals archive ?
Identification of Charcot-Leyden crystals by electron microscopy.
Human eosinophil lysophospholipase: The sole protein component of Charcot-Leyden crystals.
The presence of Charcot-Leyden crystals in GS is a potential cause of diagnostic confusion, since morphologically similar crystalline inclusions may be found in cases of myeloma and lymphoplasmacytic lymphoma.
Identification of human eosinophil lysophospho-lipase as the constituent of Charcot-Leyden crystals (phospholipase B).
Demonstration of Charcot-Leyden crystals by acid-fast stains applied on tissues.
Presence of Charcot-Leyden crystals may offer a clue in acute phase biopsies.

Full browser ?