“…The radiographic appearance presents a broad differential diagnosis which should include carcinomas, sarcomas, melanoma, rhabdomyosarcoma, and malignant lymphoma. Less aggressive entities, which could mimic the appearance of ENBs, include benign cysts and tumors, such as inverting papilloma, hemangioma, and nasal polyps as well as neurogenic tumors, such as neurofibroma, ganglioneuroma, nasal meningocele, and encephalocele [13-14].…”