BACKGROUND AND PURPOSE A dacryocystocele forms when tears accumulate within the lacrimal sac as a result of an obstruction more distally in the lacrimal drainage apparatus, which may occur as a complication of sinonasal surgery. The purpose of this study was to define the imaging characteristics of a postoperative dacryocystocele occurring after surgery for sinonasal cancer and to review the an...

Objectives To describe the presentation, work-up, and management of patients with metastatic renal cell carcinoma (RCC) to the sinonasal cavity and skull base, and to describe our current treatment algorithm of endoscopic surgical resection followed by radiation therapy. Design Retrospective review of two recent cases from our institution over a 1-year period, with a relevant review of the lite...

Sir, Primary sinonasal mucosal melanomas are uncommon, aggressive tumours. Similar to other malignancies, nasal melanomas frequently metastasize to the lymph nodes, lungs, liver and bone. However, skin metastases are very rare (1). We report here a patient with amelanotic melanoma originating from the sinonasal mucosa who rapidly developed multiple skin metastases and the diagnosis was confirme...

Sarcoidosis is a chronic systemic disease that rarely manifests within the sinuses or orbit. A 65-yearold female presented with 2 weeks of eye proptosis and forehead pressure. A computed tomography scan revealed frontal sinus opacification. The initial diagnosis of orbital cellulitis secondary to frontal sinus infection was made but symptoms returned after medical therapy. Biopsy of preaponeuro...