T-cell lymphoma in a child with multicentric Castleman disease. Glomangioma in the nasal cavity and paranasal sinuses. A case report with 5 years of follow-up. Intravascular papillary endothelial hyperplasia in a vascular lesion of the paranasal sinus. Hamartoma of the nasopharynx.
Maxillary sinus polyps secondary to dental extraction.
Angiosarcoma of the maxillary sinus. Treatment of subtotal medial rectus myectomy complicating functional endoscopic sinus surgery. Endoscopic view of the sites of origin of nasal polyps. Endoscopic view of a sphenochoanal polyp. Application of navigation systems in skull base surgery.