Comparison of three imaging techniques in diagnosis of chondrocalcinosis of the knees in calcium pyrophosphate deposition disease.

Objective: To study the role of different imaging modalities, ultrasonography, conventional radiography (CR) and CT, in visualization of chondrocalcinosis of the knees in patients with CPDD.

Methods: Twenty-five patients (14 males and 11 females) with CPDD were enrolled in the study. Diagnosis was made according to D.