This clinical rarity is a result of a damage of the motor branch of of trigeminal nerve.

Take a look at the following video to learn more:

The diagnosis was established with MRI.

The main imaging features of the disease are (Fig.1):

  • Visible asymmetry of the face
  • Unilateral atrophy and fatty infiltration of mastication muscles

  • Marked atrophy of mandibular condyle and mandibular ramus
  • Deviation of the jaw.

Possible levels of affection can be:

  • Pons
  • The main motor branch
  • Its distal distal branches.

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