PMC8636951_01
Right elbow MRI series showing a large heterogeneously enhancing and likely hemorrhagic mass with dilated vascular structures within the medial aspect of the distal biceps: axial view post-contrast (A), coronal view post-contrast (B), and sagittal view (C).
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Magnetic resonance imaging (MRI) demonstrated a (6.5x4.9x8.5 cm) well-circumscribed, heterogeneously enhancing soft tissue mass within the medial aspect of the distal biceps with mass effect on the median nerve and brachial vasculature (Figure 1).
Right elbow MRI. No evidence of soft tissue mass or abnormal marrow signal: axial view (A), coronal view (B), and sagittal view (C).
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A one-year post-excision MRI revealed enhancing soft tissue and intramuscular edema within the surgical bed, likely related to post-surgical changes, without evidence of solid nodular enhancing components to suggest recurrence (Figure 2).