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SYMPTOMS ACCORDING TOLEVEL OF INJURY1.AT INTERNAL ACOUSTIC MEATUS LOSS OF LACRIMATION LOSS OF STAPEDIAL REFLEX LOSS OF ...
2.BETWEEN GREATER PETROSAL NERVE & NERVE TOSTAPEDIUS OR BELOW GENICULATE GANGLION LOSS OF STAPEDIAL REFLEX LOSS OF TASTE...
SURGERY OF FACIAL NERVE• TO IDENTIFY FACIAL NERVE 3 METHODS ARE USED1.BLOOD FREE PLANE IMMEDIATE IN FRONT OFCARTELAGENOUS ...
2.EXPOSURE OF ANTERIOR BORDER OF STMJUST BELOW ITS INSERTION IN MASTOID PROCESSRETRACT MUSCLE POSTERIOR TO EXPOSE POSTBELL...
LESION OF FACIAL NERVE1. UMN LESION2. LMN LESION3. BELLS PALSY4. COMPRESSION OF FACIAL NERVE5. CHEEK LACERATION
UMN LESION• LESION IN UPPER MOTOR NEURONC/F1. PATIENTS CAN MAKE FURROWS ON LOOKINGUPWARDS2. LOWER PART OF FACE IS INVOLVED...
LMN LESION• LESION IN LOWER MOYOR NEURON• LESION IN PONS OR ITS PATHWAYC/F1. FURROWS ARE LOST ON LOOKING UPWRDS2. WHOLE OF...
BELL’S PALSY• DRIBBLING OR DROOPING OF SALIVA FROM ANGLEOF MOUTH ON AFFECTED SITE• CREASE ON FACE OR SKIN FOLDS ARE EFFECT...
Facial nerve 2
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Facial nerve 2

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Transcript of "Facial nerve 2"

  1. 1. SYMPTOMS ACCORDING TOLEVEL OF INJURY1.AT INTERNAL ACOUSTIC MEATUS LOSS OF LACRIMATION LOSS OF STAPEDIAL REFLEX LOSS OF TASTE SENSATION FROM ANTERIOR 2/3RDOF TONGUE LACK OF SALIVATION FACIAL MUSCLE PARALYSIS
  2. 2. 2.BETWEEN GREATER PETROSAL NERVE & NERVE TOSTAPEDIUS OR BELOW GENICULATE GANGLION LOSS OF STAPEDIAL REFLEX LOSS OF TASTE SENSATION FROM ANT2/3RD OF TONGUE LACK OF SALIVATION FACIAL MUSCLE PARALYSIS3.B/W NERVE TO STAPEDIUS & CHORDAE TYMPANI LOSS OF TASTE FROM ANTERIOR 2/3RD OF TONGUE• FACIAL MUSCLE PARALYSIS4. BELOW STYLOMASTOID FORAMEN PARALYSIS OF MUSCLE OF FACIAL EXPRESSION
  3. 3. SURGERY OF FACIAL NERVE• TO IDENTIFY FACIAL NERVE 3 METHODS ARE USED1.BLOOD FREE PLANE IMMEDIATE IN FRONT OFCARTELAGENOUS EXTERNL ACOUSTIC MEATUSCAN BE OPENED BY BLUNT DISSECTIONLEADS SURGEON TO SKILL BASES JUST BELOWSTYLOID PROCESS & STYLOMASTOID FORAMENOPENED UP IN INFERIOR DIRECTIONBY BLUNTDISSECTION TILLL TRUNK IS ENCOUNTERED
  4. 4. 2.EXPOSURE OF ANTERIOR BORDER OF STMJUST BELOW ITS INSERTION IN MASTOID PROCESSRETRACT MUSCLE POSTERIOR TO EXPOSE POSTBELLEY OF DIGASTRIC
  5. 5. LESION OF FACIAL NERVE1. UMN LESION2. LMN LESION3. BELLS PALSY4. COMPRESSION OF FACIAL NERVE5. CHEEK LACERATION
  6. 6. UMN LESION• LESION IN UPPER MOTOR NEURONC/F1. PATIENTS CAN MAKE FURROWS ON LOOKINGUPWARDS2. LOWER PART OF FACE IS INVOLVED IN SIDEOPPOSITE TO LESION IS INVOLVED3. THIS IS LESION ABOVE PONS
  7. 7. LMN LESION• LESION IN LOWER MOYOR NEURON• LESION IN PONS OR ITS PATHWAYC/F1. FURROWS ARE LOST ON LOOKING UPWRDS2. WHOLE OF FACE & FORE HEAD IS INVOLVED INSAME SIDE OF LESION3. ISOLATED LESION4. ASSOCIATED WTH HEMIPLAGIA
  8. 8. BELL’S PALSY• DRIBBLING OR DROOPING OF SALIVA FROM ANGLEOF MOUTH ON AFFECTED SITE• CREASE ON FACE OR SKIN FOLDS ARE EFFECTEDOR BLUNTED ON AFFECTED AREAS• FOREHEAD IS UN FURROWED• DIFFFICULT IN CLOSURE OF EYES• FOOD COLLECTION B/W TEETH AND CHEEK• ANGLE OF MOUTH DROOPS ON AFFECTED SITE• NASOLABIAL FOLD IS EFFACED IN AFFECTED SITE• UN ABLE TO BLOW CHEEK• LOSS OF TASTE

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