Charcot-Leyden crystals consist of collections of bipyramidal crystalloid made up of eosinophillic membrane proteins
They occur in
- other eosinophilic lung disease 2
- certain cases of sinusitis (e.g. allergic fungal sinusitis)
They may be detected in the sputum or sinus secretions with these conditions.
- 1. Arash K. Momeni et.al, Imaging of Chronic and Exotic Sinonasal Disease: Review, AJR 2007; 189:S35-S45
- 2. Yeon Joo Jeong et.al, Eosinophilic Lung Diseases: A Clinical, Radiologic, and Pathologic Overview, May 2007 RadioGraphics, 27, 617-637.
- 3. Manohar Aribandi et.al, Imaging Features of Invasive and Noninvasive Fungal Sinusitis: A Review, September 2007 RadioGraphics, 27, 1283-1296.