Diffuse large B cell lymphoma originating from the maxillary sinus with skin metastases: A case report and review of literature

Figure 5 Histopathological images of the biopsy specimen from skin mass taken on day 70. A: Aggregates of large atypical lymphocytes with irregular nuclei having uneven chromatin and small to large nucleoli are evident in a necrotic background. Some cells show multilobulated nuclei. Mitosis and apoptotic bodies are conspicuous. Hematoxylin and eosin staining (× 40 magnification); B: Aggregates of large atypical lymphocytes with irregular nuclei having uneven chromatin and small to large nucleoli are evident in a necrotic background. Some cells show multilobulated nuclei. Mitosis and apoptotic bodies are conspicuous. Hematoxylin and eosin staining (× 200 magnification); and C: CD20-positive cells were confirmed through immunohistochemical staining (× 400 magnification).