Chondrosarcoma of the scapula

Case contributed by Bahman Rasuli


Sudden onset shoulder pain without a history of trauma.

Patient Data

Age: 65 years
Gender: Male

Mild joint effusion

Infiltrating soft tissue osseous mass lesion involving the scapula glenoid, coracoid base, and body portions with extraosseous extension causing to pathologic fracture of glenoid

Abnormal intrasubstance increased fluid signal and thickening along with supraspinatus tendon and infraspinatus tendon superior fibers related to tendinosis

Abnormal intrasubstance increased fluid signal and fibers discontinuity along with subscapularis tendon, greater tuberosity fibers related to partial thickness tear associated with subcoracoid bursa measuring about 25*30 mm

Degenerative tear of posterior glenoid labrum

Fluid signal around the LHBT in the background of tenosynovitis

Cartilage thinning and fraying at the glenohumeral joint

Capsular hypertrophy and degenerative changes along with the AC joint

Acromion type II.

Case Discussion

The patient underwent surgery, and histopathologic examinations revealed grade II chondrosarcoma.

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