| Case 530 | Surgical Pathology Case |
| CLINICAL INFORMATION | ||
| 62 years old male, history of plasma cell myeloma. Sudden onset of headache and fever. An oral ulcer was excised. | ||
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| HE, 2× | HE, 4× | |
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| HE, 10× | HE, 20× | |
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| HE, 40× | HE, 60× | |
| Source: Department of Pathology, City of Hope Medical Center, Duarte, CA Photo: Zenggang Pan Discussion: Zenggang Pan | ||