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Infratemporal Fossa Approach Type B

Anatomical Dissection (right side) and 3 clinical cases

2ndt Part Clinical Cases

Case 1: Removal of apical cyst (Lt 22 min)

Case 2: Drainage of apical cyst (Rt 10 min)

Case 3: lRemoval of epidermoid cyst – apical cholesteatoma (Rt 11 min)


  1. Retroauriculo-temporal skin incision
  2. Main trunk and frontal branch of the facial nerve identified
  3. Zygomatic arch and temporalis muscle reflected inferiorly
  4. Subtotal petrosectomy
  5. Horizontal intratemporal carotid artery, middle meningeal artery and mandibular nerve exposed by removal of mandibibular tubercle
  6. Mandibular condyle displaced inferiorly
  7. Pyramid tip and clivus exposed for tumor removal
  8. Wound obliterated with temporalis muscle
Video No
Prof. Ugo Fisch
Video Editing
Dr. Arnold H. Müller