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Left Pterional Approach

Surgical Correlation

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Left pterional approach. The left temporalis muscle has been reflected inferiorly off the temporal fossa. Its tendon passes medial to the zygomatic arch to attach to the coronoid process of the mandible. A large segment of skull bone has been removed overlying the pterion area down to the orbit. The middle meningeal artery, a branch of the maxillary artery, is shown embedded within the dura mater. (Image courtesy of AL Rhoton, Jr.)

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