title: Calcium pyrophosphate dihydrate and calcium hydroxyapatite crystal deposition diseases: imaging perspectives.
abstract: Calcium pyrophosphate dihydrate crystal deposition disease and calcium hydroxyapatite deposition disease are common crystal diseases that have characteristic imaging appearances. This article gives a background on each disorder and discusses the qualities that distinguish them from each other and from other arthropathies.
authors.affiliation: Department of Radiology, University of California at San Francisco, 505 Parnassus, Room M-392, San Francisco, CA 94143-0629, USA. lynne.steinbach@radiology.ucsf.edu
authors.forename: Lynne S
authors.initials: LS
authors.lastname: Steinbach
mesh_terms: D002805:Chondrocalcinosis / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000188:drug therapy; D003460:Crystallization; D003937:Diagnosis, Differential; D017886:Durapatite / Q000378:metabolism*; D004551:Elbow Joint / Q000000981:diagnostic imaging; D006621:Hip Joint / Q000000981:diagnostic imaging; D006801:Humans; D007719:Knee Joint / Q000000981:diagnostic imaging; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging; D008279:Magnetic Resonance Imaging; D013131:Spine / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed; D014955:Wrist Joint / Q000000981:diagnostic imaging
chemical_list: D017886:Durapatite