Throat cancer, or laryngeal cancer, according to statistics, averages 3.5-7% of the population and is mainly affecting men (90% of cases).
Throat cancer mainly develops in people over 40 years of age, but at work associated with harmful irritants (carcinogens), and those who smoke or abuse alcohol may occur at a younger age, including women.
In 95% of cases, this is a squamous cell carcinoma of the throat which may grow in the thickness of the tissues of the larynx (endophytic growth), but more often the tumor grows into the lumen of the larynx - it is an exophytic form of cancer.
Depending on the location of cancer, the larynx is distinguished:
- Vestibular cancer of the throat (located practically in the laryngotrache, affecting mainly the epiglottis);
- Laryngeal cancer, which affects mainly the vocal cords, refers to the most common form of the tumor, but due to violations of the voice, as a rule, is early detected and successfully curable;
- The cancer of the throat developing below the vocal cords, practically extends to the trachea, the tumor is most likely to appear, and therefore its treatment is less effective.
The metastatic distribution of laryngeal carcinoma is mainly limited in nature, affecting the lymph nodes and adjacent neck tissues. Metastases in the lungs are observed in 4%, in 1,2% of patients - in the digestive system, bone tissue.
The main manifestations of laryngeal cancer
The complaints of a patient with throat cancer are mainly due to the localization and prevalence of the tumor: