Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Arthrosis
Introduction
Arthrosis is damage of the articular cartilage and secondary disintegration of the articular surface of bones.
Stages of Arthrosis
Stage I
- Mild clinical symptoms
- X-ray may show discrete sclerotization of the cotyloid cavity
- The articular space and the condyle remain intact
Stage II
- The mobility of the joint decreases due to pain
- The rigidity of the joint
- There appear small cysts in the cotyloid cavity
- X-ray may show fine osteophytes
Stage III
- The mobility of the joint significantly limited.
- Secondary inflammation may occur.
- X-ray may show cavitary or condylar cysts
- Irregularly narrowing of articular cavity.
Stage IV
- The joint is almost stiff, and immobile.
- Usually signs of secondary inflammation are present often takes place,
- Signs of muscle decompensation are observable.
- X-ray may show severe deformation of the joint as:
- deformation of the condyle and acetabulum
- cystic degeneration
- detritus in the articular cavity
- bizarre osteophytes
- extremely narrow articular space
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