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OTOGENIC BRAIN
ABSCESS
Benisha Julian
Route of Spread
Tegmen plateTemporal
bone
Cerebellum
Superior Petrosal Sinus
SigmoidSinus
Posterior Semicircular Canal
Trautmann’s
Triangle
Retrograde Thrombophlebitis
Bacteriology
• Staph. aureus & albus
• Strep. pyogenes
• Pneumoccus
• E. coli
• B. proteus
1 2
3 4
Stages
Initial Encephalitis
Stage
1
Headache
Chills
Nausea and vomitting
Clinical features of
Latent Stage
2
Localization of abscess
1- 2
weeks
Headache
Raised temperature
Clinical features of
Expanding Abscess Stage
3
Expansion of
abscess
Raised
Intracranial
tension
Clinical features of
Intracranial Tension
Headache
Pulse rate & Irregular breathing
Projectile Vomiting
Raised temperature
Papilledema
Terminal Stage
4
Rupture of Abscess
Into ventricle
Temporal Lobe AbscessClinical features of
Aphasia
Oculomotor palsy
Hemiplegia
Homonymous Hemianopia
Clinical features of
Cerebellar Abscess
Ataxia
Nystagmus
Dysdiadochokinesia
Past pointing
Investigations
• CT - diagnostic
• Lumbar Puncture
• Electroencephalography
• Intra-cranial angiography
Temporal
lobe
Abscess
Cerebellar
Abscess
Treatment
•Antibiotics
• Abscess Drainage
•Mastoidectomy –
removal of primary focus
of infection
Otogenic brain abscess.pptx
Otogenic brain abscess.pptx
Otogenic brain abscess.pptx
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Otogenic brain abscess.pptx

This presentation explains one of the complication of Chronic suppurative otitis media - Otogenic Brain Abscess, it's stages, clinical manifestations, complications and management (comprising of investigations and treatment.)

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Otogenic brain abscess.pptx

  1. 1. OTOGENIC BRAIN ABSCESS Benisha Julian
  2. 2. Route of Spread
  3. 3. Tegmen plateTemporal bone
  4. 4. Cerebellum
  5. 5. Superior Petrosal Sinus SigmoidSinus Posterior Semicircular Canal Trautmann’s Triangle
  6. 6. Retrograde Thrombophlebitis
  7. 7. Bacteriology • Staph. aureus & albus • Strep. pyogenes • Pneumoccus • E. coli • B. proteus
  8. 8. 1 2 3 4 Stages
  9. 9. Initial Encephalitis Stage 1 Headache Chills Nausea and vomitting Clinical features of
  10. 10. Latent Stage 2 Localization of abscess 1- 2 weeks Headache Raised temperature Clinical features of
  11. 11. Expanding Abscess Stage 3 Expansion of abscess Raised Intracranial tension
  12. 12. Clinical features of Intracranial Tension
  13. 13. Headache Pulse rate & Irregular breathing Projectile Vomiting Raised temperature Papilledema
  14. 14. Terminal Stage 4 Rupture of Abscess Into ventricle
  15. 15. Temporal Lobe AbscessClinical features of Aphasia Oculomotor palsy Hemiplegia Homonymous Hemianopia
  16. 16. Clinical features of Cerebellar Abscess
  17. 17. Ataxia
  18. 18. Nystagmus
  19. 19. Dysdiadochokinesia
  20. 20. Past pointing
  21. 21. Investigations • CT - diagnostic • Lumbar Puncture • Electroencephalography • Intra-cranial angiography
  22. 22. Temporal lobe Abscess
  23. 23. Cerebellar Abscess
  24. 24. Treatment •Antibiotics • Abscess Drainage •Mastoidectomy – removal of primary focus of infection

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