Foreign Body Granulomas Induced by Intramuscular Leuprorelin Acetate Injection for Prostate Cancer: Clinical Mimics of Soft Tissue Sarcoma

Figure 2

Magnetic resonance imaging (MRI) shows a complex, infiltrative maximally 9 cm mass in the left deltoid, extending from subcutaneous to deep tissues to abut the humerus, with underlying normal marrow. The lesion is composed of interlinked foci of abnormal tissue with intense central enhancement, suggesting necrosis.