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[The hyperostotic shoulder].
Revue Du Rhumatisme Et Des Maladies Osteo-Articulaires
|July 1, 1984
Summary
Diffuse idiopathic skeletal hyperostosis (DISH) frequently affects the shoulder, presenting unique radio-clinical features. These DISH shoulder abnormalities can coexist with rotator cuff tears, forming a complex shoulder syndrome.
Area of Science:
- Orthopedics
- Radiology
- Rheumatology
Background:
- Diffuse idiopathic skeletal hyperostosis (DISH) is a systemic condition with characteristic spinal and extraspinal enthesopathies.
- Shoulder involvement in DISH is not well-characterized, necessitating further investigation into its prevalence and imaging findings.
Observation:
- A systematic study examined shoulder joints in 30 patients diagnosed with DISH.
- Radiological features of DISH shoulders were documented and contrasted with those typically seen in rotator cuff tears.
- The co-occurrence of DISH and rotator cuff pathology was investigated, leading to the identification of a 'complex shoulder' syndrome.
Findings:
- DISH demonstrates distinct radiological abnormalities in the shoulder joint.
- Osteoarthritic pseudoarthrosis between the greater tuberosity and acromion, stemming from subacromial enthesopathy, is a hallmark finding in DISH shoulders.
- The study highlights that DISH shoulder changes can mimic or coexist with rotator cuff tears.
Implications:
- Understanding these specific radio-clinical features aids in accurate diagnosis and differentiation of shoulder pathologies in DISH patients.
- Recognition of the 'complex shoulder' syndrome is crucial for appropriate management strategies.
- This research contributes to the comprehensive understanding of DISH manifestations beyond the spine.