Amyloidosis of the skull base is a rare entity. A patient with localized amyloidosis of the sphenoid sinus presented at our institution with cerebrospinal fluid rhinorrhoea. Endoscopic excision of the lesion and multilayered obliteration of the sphenoid sinus resolved the symptoms.
Amyloidosis ; Metastatic to ; Cerebrospinal Fluid Rhinorrhea ; symptoms <1> ; Endoscopic approach