Primary non-Hodgkin lymphoma (NHL) rarely affects the sinonasal tract and represents approximately 1.5% of all lymphomas, with a higher incidence in Asia and South America.1-3 In the United States, sinonasal lymphomas are more prevalent in elderly men and are located in the paranasal sinuses. In addition, they are usually of the B-cell subtype,1-2,4-5 in contrast to the T-cell subtype that is m...

Nasal irrigation (NI) is an old practice of upper respiratory tract care that likely originated in the Ayurvedic medical tradition. It is used alone or in association with other therapies in several conditions-including chronic rhinosinusitis and allergic rhinitis-and to treat and prevent upper respiratory tract infections, especially in children. However, despite it being largely prescribed in...

Extracranial meningiomas of the sinonasal tract are rare tumors. These tumors are frequently misclassified, resulting in inappropriate clinical management. To date, there has been no comprehensive study to evaluate the clinicopathologic aspects of meningioma in these anatomic sites. Thirty cases of sinonasal tract meningiomas diagnosed between 1970 and 1992 were retrieved from the files of the ...

Malignant spindle cell tumours comprise ∼1% of all head and neck malignancies.1 One such entity is biphenotypic sinonasal sarcoma. This a new first introduced in the WHO classification 2017. can be easily misdiagnosed due to its rarity, novelty morphology that overlaps with other diagnoses, both benign malignant tract. Expressing neural myogenic immunophenotypes monomorphic appearance origin fr...

hemangiomas of the sinonasal tract are rare, and because these lesions lack the typical signs or symptoms, they can be confused with other malignant conditions. we report a case of cavernous hemangioma of the maxillary sinus in a 68-year-old man that was completely resected by endoscopic sinus surgery. although computed tomography (ct) and magnetic resonance imaging (mri) showed several enhanci...