Nasal endoscopy and clinical symptoms are also used to make a positive diagnosis. A tissue sample for histology and cultures can also be collected and tested.Harrison's Manual of Medicine 16/e Nasal endoscopy involves inserting a flexible fiber-optic tube with a light and camera at its tip into the nose to examine the nasal passages and sinuses.
Nasal endoscopy and clinical symptoms are also used to make a positive diagnosis A tissue sample for histology and cultures can also be collected and testedHarrison's Manual of Medicine 16/e Nasal endoscopy involves inserting a flexible fiber-optic tube with a light and camera at its tip into the nose to examine the nasal passages and sinuses