Calcification of hyaline(articular) cartilage or fibrocartilage (menisci) or ligaments.
Calcification of hyaline(articular) cartilage or fibrocartilage (menisci) or ligaments.
AP Radiograph of both knees: Calcifications of menisci of both knees |
Lateral radiograph of right knee: Thin calcifications of menisci |
Location
- Knee : Menisci, patellofemoral cartilage
- Wrist :Triangular fibrocartilage in distal radioulnar joint
- Pelvis : Sacroiliac joint , Symphysis pubis
- Spine :Annulus fibrosis of lumbar intervertebral disk
- Shoulder :Glenoid , Acromioclavicular joint
- Hip :Labrum
- Elbow , Ankle
Causes:
- Osteoarthritis
- CPPD (calcium pyrophosphate dihydrate deposition disease)
- Hyperparathyroidism
- Hemochromatosis
- Hypothyroidism
- Hypomagnesemia
- Hypophosphatasia
- Ochronosis
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