DISEASES OF THE LARYNX : CANCER OF THE LARYNX - etiology, pathogenesis, symptoms and course of, recognition, prediction and prevention
The disease mainly elderly, in men occurs 35 times more often than women. Distinguish cancers connected parts of the larynx (the division of the true vocal cords), cancers of the lower portion of the larynx or subglottic space and cancers of the upper floor of the larynx (false vocal cords, morganeve the ventricles, the epiglottis). Cancer of the larynx usually originate from the epithelium of mucous, most often localized on the vocal cords, infiltrating the vocal cords, later applied on their length, are involved in the process, the epiglottis, pyriform fossa and in advanced cases metastasize and cause cachexia.
Symptoms. At first light, then all progressive Sobota, difficulty breathing, extending gradually to a complete stenosis of the larynx, pain radiating to the ear, the cough reflex. When laryngoscopy nodular tumor, an exciting half or all of the larynx, often ulcerated, with a bad smell, causing early limited mobility or immobility of the vocal cords and often perichondrium. Regional lymph nodes are involved in the process.
For inside laryngeal cancers slower than external.
Must be cancer alert in relation to every one-sided defeat of the larynx (roughness, infiltration of the vocal cords, hyperkeratosis, papilloma, leukoplakia, which is often pre-cancerous stage of the disease.
Prediction unfavorable; in case of timely detection, confirmed by biopsy, the prediction is more favorable.
Operative treatment, radiotherapy, radiotherapy.