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Vascular decompression is the indication par excellence for endoscopic surgery of - PowerPoint PPT Presentation


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Vascular decompression is the indication par excellence for endoscopic surgery of the cerebellopontine angle. Hemifacial spasm Trigeminal neuralgia Glossopharyngeal neuralgia Tinnitus Disabling positional vertigo. TRIGEMINAL NEURALGIA. sca. aica. V. V. VIII. MRI T2 CISS sequence.

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Presentation Transcript
slide1

Vascular decompression is the indication

par excellence for endoscopic surgery of

the cerebellopontine angle .

Hemifacial spasm

Trigeminal neuralgia

Glossopharyngeal neuralgia

Tinnitus

Disabling positional vertigo

slide2

TRIGEMINAL NEURALGIA

sca

aica

V

V

VIII

MRI T2 CISS sequence

Endoscope 4mm, 30°

slide3

Superior

cerebellar

artery

slide5

Trigeminal neuralgia

microscope

endoscope

Glossopharyngeal neuralgia

trigeminal neuralgia n 141 86f 55m
Trigeminal Neuralgia N=141(86F/55M)

SUCCESS RATE: 85%

21 REVISION SURGERY ON 15 CASES

  • 6 cases: recurrence due to fibrous tissue inducing new neurovascular conflict – 4 success, 2 failures
  • 3 cases: teflon displacement – 3 successes
  • 2 cases: aberrant vein – 1 success, 1 failure
  • 4 cases: no explanation, 4 partial rhizotomy

Success rate: 92%