Endoscopic examination of the nasal cavity and biopsy

Endoscopic nasal examination and biopsy are the gold standard for diagnosing cases of nasal malignancy. This is a method of examination with high technology, low cost, reliable assessment, easy to perform, helping patients to diagnose early lesions in the nasal cavity and nasopharynx.

Endoscopic examination of the nasal cavity is an examination method that uses a magnifyingoscope to observe every nook and cranny inside the nasal cavity such as: septum, nasal cavity, nasal coil, the openings of the sinuses pouring into the nose, the portal posterior nose and nasopharynx.
The advantage of nasal cavity endoscopy is that it uses an endoscope with an appropriate length and diameter for age. In addition, using a video recorder system connected to a microprocessor to enlarge the image on the TV screen, record video of the screening process. Thanks to that, the observation, assessment and/or biopsy of the lesion at the right location will give more accurate results.
Diagnostic nasal endoscopy is a procedure that inserts a bronchoscope through the nostrils into the nasal cavity. Usually, the endoscopist often sprays anesthetic and mucosal constrictors a few minutes before the examination to open the nasal cavity and temporarily lose pain. This helps the bronchoscope move easily, accurately identify the disease and the patient does not feel pain during the examination.
Nasal cavity biopsy is an endoscopic nasal biopsy procedure, using endoscopic images to find the suspicious area, then taking a piece of pathological tissue in the nasal cavity for histopathological examination. Indicated in cases of suspected malignancy based on endoscopic images that need to determine histopathology.

Diagnostic nasal endoscopy is indicated in many cases such as:
Chronic nasal congestion with repeated recurrences, suspicion of nasal obstruction due to hypertrophy of the nasal turbinate, nasal polyps, nasal foreign bodies, nasal cavity tumors, crooked nasal passages. septum , VA overcrowded , nasopharyngeal cancer ... Recurrent nosebleeds need to determine the cause such as hemangiomas, vascular malformations, polyps, tumors, live foreign bodies,... Bad smell or not smell progress, suspect olfactory neuroblastoma... When there are symptoms of runny nose, stuffy nose, snorting mucus, sneezing, pain next to the nose, pain around the eye socket, pain in the forehead, pain temples, pain in the top of the head and back of the neck... Suspected sinusitis. Endoscopy when VA is suspected: nasal congestion on both sides, increased when lying down and having to breathe through the mouth, green nasal discharge, nasal voice, or snorting, ...

Specify pathological lesions of the nasal cavity or ethmoid, spreading to the nasal cavity, needing histopathological determination. Contraindications: aneurysms, meningiomas, hemangiomas, angiomas (relative contraindications) high risk of bleeding.

4.1 Preparation Person to perform: Otolaryngologist.
Means:
Ear, nose and throat examination kit; Biopsy forceps; Wicks, gelaspon; Anesthetic; Patient
Visit the patient and explain clearly. Patients are done basic tests: bleeding, blood clots. 4.2 Procedures Patient can sit or lie down; The physician sits opposite or stands to the right when the patient is lying down; Anesthetize with xylocaine 3% spray and place a xylocaine wick; Use the endoscope to look for suspicious areas, then use forceps to press a piece of suspected tissue, preferably at the edge of the lesion, not on the necrotic tissue; Unorganize just click fixation solution; Place a hemostatic wick and withdraw after 24 h.

Bleeding: There is usually only a small amount of bleeding after the vasopressor wick is placed and it stops on its own. If there is a lot of bleeding, put a wick; Bacterial infections: give prophylactic antibiotics; Shock: shockproof. Nasal endoscopy and biopsy are an effective means of early detection of nasopharyngeal cancer that cannot be detected by conventional otolaryngologists. When your nose shows strange symptoms, you should immediately go to a medical facility for early examination and treatment.
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