7. Pathology
The mucosa of the larynx becomes congested and may
become oedematous.
A fibrinous exudate may occur on the surface.
Sometimes infection involves the perichondrium of
laryngeal cartilages producing perichondritiis.
8. Clinical Features
Hoarseness which may lead to complete loss of voice
Discomfort or pain in throat, particularly after talking
Dry, irritating cough which is usually worse at night
General symptoms including headache, cold, dryness
of throat, malaise and fever if laryngitis has followed
viral infection of upper respiratory tract.
9. Clinical Diagnosis
Signs of acute URTI.
Dry thick sticky secretions.
Dusky red and swollen vocal cords.
Diffuse congestion of laryngeal mucosa.
12. Chronic Laryngitis
Definition;
It is a diffuse inflammatory condition symmetrically
involving the whole larynx, i.e. true cords, ventricular
bands, interarytenoid region and root of epiglottis.
13. Aetiology
It may follow incompletely resolved acute simple laryngitis or
its recurrent attack
Presence of Ch. Infections PNS, teeth, tonsils and chest.
Occupational factors – exposure to dust and fumes such as in
miners, strokers, gold, iron smiths and workers in chemical
industries
Smoking and alcohol
Persistent trauma of cough as in chronic lung disease
Vocal abuse
14. Clinical Features
Hoarseness. This is the commonest complaint. Voice
become easily tired and patient becomes aphonic by
end of the day
Constant hawking. There is dryness and intermittent
tickling in the throat and patient is compelled to clear
the throat repeatedly
Discomfort in the throat
Cough. It is dry and irritating
15. Clinical Diagnosis
Diagnosis is based upon a combination of the clinical
history and a physical exam. Some physicians might
wish to do a laryngoscopy (visualization of the vocal
cords).
Hyperemia of laryngeal structures
Vocal cords appear dull red or rounded
Flecks of viscid mucus are seen on the vocal cords and
interarytenoid region
18. References
Diseases of Ear, Nose and Throat – P L Dhingra , 3rd edition
Atlas of Acute and Chronic Laryngitis
www.healthline.com
www.patient.co.uk/health/
www.myoclinic.org
www.emedicine.medscape.com
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