Primary Intraosseous Synovial Sarcoma with Molecular Confirmation: Expanding and Clarifying the Spectrum of This Rare Neoplasm

<div>Case 1: sagittal left shoulder MRI showing a 6 cm intramedullary lesion involving the proximal left humerus with associated periostitis. The lesion was hypointense on T1-weighted images (a) and hyperintense on T2-weighted images (b).</div>

Case Reports in Pathology

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Figure 2: Primary Intraosseous Synovial Sarcoma with Molecular Confirmation: Expanding and Clarifying the Spectrum of This Rare Neoplasm 