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Coronal approach

Exposure of the temporal fossa

Exposure of the temporal fossa

If additional exposure of the external aspect of the lateral orbit and the infratemporal fossa (pterional region for trancranial access to the orbital apex) is required, the temporalis muscle is dissected from its bony attachments either limited to the anterior edge or over the entire surface of the temporal fossa.
Relaxing incisions may be placed through the temporalis fascia and the muscle substance as used for the development of a temporal muscle flap.
The vascular supply (deep temporal vessels) of the temporalis muscle ascends deep from the infratemporal fossa and must be preserved.