Chronic pharyngitis may develop if there had been no adequate treatment of acute illness and / or eliminated factors causing disease.
Chronic pharyngitis can take place in several ways:
• Catarrhal chronic pharyngitis (simple) — is characterized by persistent redness caused by the expansion and stasis (blood stasis) veins of small caliber, and a slight swelling of the mucous membrane of the pharynx, the extension ducts and hypersecretion of mucous glands. In some places the surface of the posterior pharyngeal wall is covered with a clear or muddy slime.
• Hypertrophic chronic pharyngitis is a consequence of the replacement of normal cylindrical ciliated epithelium of pharyngeal mucosa cubic or flat, thus there is flaking and peeling of the surface layers of epithelial cells (desquamation), formed protuberances and depressions resembling lacunae of tonsils.
Small caliber vessels dilated, their surrounding tissue infiltrated (saturated) coming out of the vascular blood plasma. The soft palate and uvula swollen. On the back of the throat — mucus. Varieties of chronic hypertrophic pharyngitis are side granulosa and pharyngitis.
• Side chronic pharyngitis seen hypertrophy (overgrowth) of lymphoid tissue in the lateral folds of the throat, behind the palatine arches, which, as well as the palatal and lingual tonsils are inflamed due to the presence of foci of chronic inflammation.
• Granulosa chronic pharyngitis characterized by rounded or elongated granules lymphoid red size of 1-5 mm at the rear wall of the pharynx.
• Atrophic chronic pharyngitis, usually develops in the presence of atrophic rhinitis and is characterized by thinning of the pharyngeal mucosa, epithelial desquamation, replacing the normal columnar epithelium of flat sandwich. Also, there is a reduction of the mucous glands, blockage of ducts and reduced secretion. The mucosa is dry, yellowish or pale pink color appears shiny, as if varnished, partially covered with a viscous purulent secret or crusts of dried secretions.
Risk factors for chronic pharyngitis:
- air pollution,
- alcohol abuse,
- impaired nasal breathing,
- foci of chronic infection in the nasopharynx, nasal cavity, paranasal sinuses
- some gastro-intestinal tract (chronic esophagitis, gastroesophageal reflux disease, etc.)
- metabolic disorders
- dry mouth, cough, scratchy, foreign body sensation or lump in the throat,
- produced by mucous glands of mucus — viscous, especially in the morning
Often against the background of significant complaints Mucous shell of the pharynx has not changed much, and vice versa, with significant changes in its subjective symptoms is hardly observed.