Male, 8 years old. Swelling. Evaluate for osteo vs. subperiosteal abscess. Subcutaneous edema and inflammation circumferentially about the elbow, slightly more predominantly on the lateral aspect, compatible with cellulitis. Inflammation involves the distal brachialis muscle, indicating mild myositis. No discrete fluid collection is identified. Bone marrow signal is normal, and the cortical margins appear intact. No significant joint effusion is evident.
Cellulitis about the elbow and mild myositis involving the brachialis muscle, without evidence of abscess or osteomyelitis. No significant joint effusion.