Case Author(s): Samuel Wang, M.D. and Keith Fischer, M.D. , 5/18/97 . Rating: #D2, #Q3

Diagnosis: Septic arthritis of the acromioclavicular joint.

Brief history:

53 year old man with left shoulder pain.

Images:

Delayed 24 hour anterior and posterior whole body images.

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Full history/Diagnosis is available below


Diagnosis: Septic arthritis of the acromioclavicular joint.

Full history:

53 year old man with recent onset of left shoulder pain. He has advanced diabetes and a prior history of septic arthritis of the right shoulder. Bone scintigraphy performed two days previously demonstrated non-specific mildly increased activity in the left shoulder on the immediate and delayed images.

Radiopharmaceutical:

0.5 mCi In-111 label autologous leukocytes i.v.

Findings:

A focus of increased leukocyte accumulation is identified in the left acromioclavicular joint most consistent with pyogenic arthritis.

Followup:

Cultures were positive for staphylococcus. He also subsequently developed vertebral osteomyelitis.

ACR Codes and Keywords:

References and General Discussion of Indium -111 WBC Scintigraphy (Anatomic field:Skeletal System, Category:Inflammation,Infection)

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Case number: iw006

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