Case of primary extracranial meningioma of the maxillary sinus presenting as buccal swelling associated with headache: A case report

Figure 2 Histological features of extracranial meningioma. A and B: The specimen showed epithelioid lobulated tissue, separated by abundant collagen fibers (hematoxylin and eosin: × 100, × 40); C and D: The specimen showed abundant cytoplasm and indistinct cytoplasmic borders, arranged in whorled and lobulated patterns (hematoxylin and eosin: × 100, × 40).