PMC8567852_01
Clinical presentation. Swelling over the right SCJ with
inflammatory signs.
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Ch1.F1
She was hemodynamically stable, and clinical examination revealed a warm painful swelling overlying the medial part of her right clavicle as well as erythema extending to the anterior chest wall (Fig. 1).
CT scan of the chest demonstrating signs of septic arthritis of the right SCJ, with articular space widening with gas formation, integrity
and thickening of the SCJ capsule (arrow); medial clavicle bone erosion and
cortical irregularity (arrowhead); periarticular abscess extending to the
retrosternal space (*) and pectoral muscle (**).
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Ch1.F2
Computed tomography (CT) scan (Fig. 2) findings were consistent with right SCJ septic arthritis complicated by periarticular abscess with gas formation.
SCJ arthrotomy and evacuation of purulent material.
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Ch1.F3
After arthrotomy, abundant purulent material (estimated 60 cc) was evacuated from the articular space, the pectoral fascia and the retrosternal space (Fig. 3).
Clinical evaluation at 2 years' follow-up. Complete and symmetrical range of motion in abduction (a, b). Cosmetic scar and mild reducible
prominence of the medial clavicle (c).
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Ch1.F4
Clinical evaluation on the last visit revealed painless anterior reducible subluxation (positive medial piano-key sign) and a painless, symmetrical, full range of motion of the affected limb (Fig. 4), with a Constant score of 80.