BACKGROUND Sinonasal malignancies are rare but demanding due to complex anatomy,usually late diagnosis,and inconsistent therapy strategy based on multimodality approaches.Squamous cell carcinoma(SCC)is the most common...
Primary mucosal melanoma of the paranasal sinuses is a rare tumor of the head and neck which can be a devastating disease.Cancers arising in the sinonasal cavity are extremely rare,with a poor survival rate.There is i...