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[The synovial membrane in articular chondrocalcinosis. Clinico-pathological data]
Revue Du Rhumatisme Et Des Maladies Osteo-Articulaires
|December 1, 1978
Summary
Articular chondrocalcinosis, a condition affecting synovial membranes, presents with varying degrees of calcium pyrophosphate crystal deposits and inflammatory or degenerative changes. Identifying these deposits is key for diagnosing uncertain joint issues.
Area of Science:
- Rheumatology
- Histopathology
- Crystal-induced arthritis
Context:
- Articular chondrocalcinosis affects synovial membranes.
- Histological examination of 25 synovial membrane samples from 118 subjects was performed.
- The study aimed to characterize the histological features of articular chondrocalcinosis.
Purpose:
- To identify and describe the histological variations in synovial membranes associated with articular chondrocalcinosis.
- To correlate histological findings with the presence or absence of calcium pyrophosphate dihydrate (CPPD) crystal deposits.
- To differentiate articular chondrocalcinosis from other joint pathologies like osteoarthritis and senile changes.
Summary:
- Three histological patterns were identified: complete forms with CPPD deposits and inflammatory/degenerative changes; incomplete forms without CPPD but with chondroid metaplasia or inflammation; and superficial fibrosis.
- Synovial membranes in articular chondrocalcinosis often resemble those in osteoarthritis or senile joints.
- The presence of variable-sized calcium and phosphorus-rich crystal deposits is a key diagnostic indicator for articular chondrocalcinosis, especially in cases with unclear joint symptoms.
Impact:
- Provides detailed histopathological criteria for diagnosing articular chondrocalcinosis.
- Highlights the diagnostic significance of synovial membrane crystal deposits in challenging joint cases.
- Contributes to a better understanding of the spectrum of synovial changes in crystal-induced arthropathies.