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| | Clinical description: This 76 year old male has a chief complaint of recent swelling of the lower right side of his face. He reports this started about 4 months ago. His evaluation and work-up included radiographs, a CT scan, scintigraphy and a biopsy. Immunohistochemical stains show cells positive for PSA. | 
| | Radiologic findings: |  |  |  |  |
CT: |  | | Histologic findings: |  |  |
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