55 years old man with pain in his right knee

 

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Doctor's Information

Name : Mehdi
Family :Bitarafan
Email : ----------------
Resident : Hussein Soleiman Tabar

 

Patient's Information

Gender : Male
Age : 55

 

Case Section

Muskuloskeletal System

 

Clinical Summary

55 years old man with pain in his right knee.

 

 

Imaging Procedures and Findings

Multiple calcified loose bodies are evident in the knee joint.

 

Discussion

Synovial osteochondromatosis is a relatively common disorder caused by a metaplasia of the synovium that results in deposition of foci of cartilage in the joint. Most of the time, these cartilaginous deposits calcify and are readily seen on a radiograph. It is most commonly seen in the knee, hip, and elbow. Up to 30% of the time, the cartilaginous deposits do not calcify. In these cases, all that is seen on the radiograph is a joint effusion, unless erosions or joint destruction occur. The calcifications begin in the synovium and then tend to shed into the joint, where they can cause symptoms of free fragments, or ??joint mice�. They then embed into the synovium and tend not to be free in the joint after a while. It is usually necessary to perform a complete synovectomy to relieve the symptoms.

 

Final Diagnosis

Synovial osteochondromatosis

 

References

Brant WE, Helms CA. Fundamentals of Diagnostic Radiology, 3rd edition

 

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