under graduate lecture

1. LARYNGITIS
Dr.Sayed Muddasir Shah

2. LARYNGITIS
 Inflammation of the larynx
 Can impair swallowing, phonating and breathing

3. ACUTE LARYNGITIS
 Phonotrauma
 Viral Laryngitis
 Acute Bacterial Laryngitis
 Acute Fungal Laryngitis

4.  Supepithelial hemorrhage from phonotrauma

5.  Supepithelial hemorrhage of R VC polyp

6. ACUTE LARYNGITIS
 Phonotrauma
 Viral Laryngitis
 Acute Bacterial Laryngitis
 Acute Fungal Laryngitis

7. VIRAL LARYNGITIS
 Pathogens: rhinovirus,
parainfluenza, RSV, adenovirus,
influenza, adenovirus…
 SSx: dysphonia, hoarse voice,
cough
 Rx: supportive care: hydration,
anti-inflam, voice rest, PPI +/-
steroids
 Croup: laryngotracheobronchitis
 Typically parainfluenza 1,3
 Steeple sign

8. ACUTE LARYNGITIS
 Phonotrauma
 Viral Laryngitis
 Acute Bacterial Laryngitis
 Acute Fungal Laryngitis

9. ACUTE BACTERIAL LARYNGITIS
 Supraglottitis (Acute epiglottitis)
 Pathogens: H influenza, Strep PNA,
Staph Aureus, Beta hemolytic strep
 Decreased incidence with h flu B vaccine
 Rx: airway control. Humid air, IV
antibiotics, monitored bed, steroids

10. ACUTE BACTERIAL LARYNGITIS
 Whooping cough
 bordetella pertusis
 Vaccine protects ~ 3 yrs
 Rx: erythromycin to prevent spread
 Diptheria
 Corynebacterium diptheria
 SSx: acetone breath, thick
grey membranous and friable
plaque
 Rx: airway via trach, diptheria
anti toxins, PCN & clinda

11. ACUTE LARYNGITIS
 Phonotrauma
 Viral Laryngitis
 Acute Bacterial Laryngitis
 Acute Fungal Laryngitis

12. ACUTE FUNGAL LARYNGITIS
 Candiasis (moniliasis)
 usually seen with oral/esophageal sx or in a pt taking
oral inhaled steroids
 White sessile plaques on erythematous base
 Rx: Fluconazole

13. CHRONIC LARYNGITIS
 Bacterial
 Fungal
 Mycobacterial
 Non infectious

14. CHRONIC BACTERIAL LARYNGITIS
 Rhinoscleroma
 Klebsiella rhinoscleromatosis
 Path: Mikulicz Cells
 Rx: fluouroquinolones/
 Syphillis
 Secondary: painless edema
 Tertiary: gummas + cartil destruction

15. CHRONIC BACTERIAL LARYNGITIS
 Actinomycosis
 Actinomycosis israelii
 Chronic suppurative infxn, rarely involves layrnx
 Histo:
 Sulfur Granules

16. CHRONIC LARYNGITIS
 Bacterial
 Fungal
 Histoplasmosis
 Blastomycosis
 Cryptococcus
 Coccidiomycosis
 Mycobacterial
 Non infectious

17. CHRONIC LARYNGITIS
 Bacterial
 Fungal
 Mycobacterial
 Non infectious

18. MYCOBACTERIAL LARYNGITIS
 Tubercolosis
 Direct from lungs or via blood
 Dx: PPD/Quant/AFB
 Tx: INH/Rifampin/voice rest
 Leprosy (Hansen’s)
 AFB and granulomas
 Ulcerative supraglottis
 Dx: foamy leprous cells
 Rx: dapsone & CS

19. CHRONIC LARYNGITIS
 Bacterial
 Fungal
 Mycobacterial
 Non infectious

20. NON INFECTIOUS LARYNGITIS
 Smoking
 Pollution
 Vocal Abuse
 Rhinosinusitis
 Laryngopharyngeal Reflux

21.  Wegener’s
Granulomatosis
 Relapsing
Polychondritis
 Sarcoidosis
 Rheumatoid Arthritis
 Pemphigus/pemphigoid
 Amyloidosis

22. THANKS