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Chondrocalcinosis or cartilage calcification is calcification (accumulation of calcium salts) in hyaline cartilage and/or fibrocartilage. [1] Chondrocalcinosis is an observation that can be visualized through diagnostic imaging tests such as X-rays , CT , MRI , and ultrasound .
Chondromalacia patellae (also known as CMP) is an inflammation of the underside of the patella and softening of the cartilage. The cartilage under the kneecap is a natural shock absorber, and overuse, injury, and many other factors can cause increased deterioration and breakdown of the cartilage.
X-ray of a knee with chondrocalcinosis. Medical imaging, consisting of x-ray, CT, MRI, or ultrasound may detect chondrocalcinosis within the affected joint, indicating a substantial amount of calcium crystal deposition within the cartilage or ligaments. [2] Ultrasound is a reliable method to diagnose CPPD. [8]
Chondromalacia patellae is a term sometimes used synonymously with PFPS. [7] However, there is general consensus that PFPS applies only to individuals without cartilage damage, [ 7 ] thereby distinguishing it from chondromalacia patellae, a condition with softening of the patellar articular cartilage. [ 3 ]
Proton density weighted MRI of a knee with synovial chondromatosis. There are multiple intra-articular loose bodies located in the suprapatellar recess. [5]Diagnosis is by medical imaging; X-ray, CT scan and MRI. [1]
In pseudogout/chondrocalcinosis/calcium pyrophosphate deposition disease, the crystal is calcium pyrophosphate. Diabetic arthropathy (M14.2, E10-E14) is caused by diabetes. Neuropathic arthropathy (M14.6) is associated with a loss of sensation. Spondylarthropathy is any form of arthropathy of the vertebral column. [5]
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Malacia is abnormal softening of a biological tissue, most often cartilage.The word is derived from Greek μαλακός, malakos = soft. Usually the combining form-malacia suffixed to another combining form that denotes the affected tissue assigns a more specific name to each such disorder, as follows: