Laryngoscopy is a diagnostic method that allows the larynx to be seen directly during an examination. In one method, a flexible tube with a fiber-optic device is threaded through the nasal passage and down into the throat. The other method uses a rigid viewing tube passed directly from the mouth through thethroat and into the larynx.

Both methods make use of a light source and a lens that are attached to a viewing tube. The endoscopic viewing tube may also be equipped to suction debrisor remove material for biopsy.

Laryngoscopy procedures are performed in a hospital, using a local anestheticspray to ease pain and suppress the gag reflex. Patients should not eat forseveral hours before the test. After the procedure is over, soothing liquidsor lozenges can ease any temporary sore throat.

This procedure carries no serious risks, although the patient may have a sorethroat or cough up small amounts of blood until the irritation subsides.

If a tumor or an object lodged in the tissue is discovered during the laryngoscopy, it would either be removed or described for further medical attention.

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