Rhinoscopy is the endoscopic study of the nasal passages. Rhinoscopy is performed with both flexible and rigid scopes and almost always in conjunction with CT scan to evaluate and localize the source of the problem. Small-diameter scopes are utilized to adequately evaluate small dogs and cats. To perform rhinoscopy, the patient is anesthetized and the scope is gently inserted into the nasal cavity. The flexible endoscope is used to evaluate the back of the nose. Fluid is flushed through a protective sleeve surrounding the scope to flush away debris. The scope also magnifies the image to provide a clear view of the nasal area. Many scopes have built-in openings to allow passage of biopsy or retrieval instruments. Minimal patient preparation is required other than to withhold food the morning of the procedure. Most patients are discharged the same day that the procedure is performed.
The major symptoms and reasons to perform a rhinoscopy are: