PMC7388635_01
Swelling of the left sternoclavicular joint
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The skin over the swelling was stretched and erythematous (Figure 1).
CT scan showing lobulated collection in the subcutaneous tissue of the left lower neck extending into left sternoclavicular and first sternochondral joint
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A computerized tomographic scan showed extensive destruction involving cortices of clavicular as well as the sternal end of the joint with loculated collection in the subcutaneous tissue at the left side of lower neck extending into the left sternoclavicular and first sternochondral joint with the impression of septic arthritis in these two joints (Figure 2).
Granulomatous lesion with caseating necrosis palisaded by epithelioid histiocytes, lymphocytes and occasional Langhan s type giant cells
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Biopsy of the abscess wall showed multiple granulomatous lesion with large caseous necrosis (Figure 3, Figure 4).
Multiple granulomatous lesion with large caseous necrosis
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Biopsy of the abscess wall showed multiple granulomatous lesion with large caseous necrosis (Figure 3, Figure 4).