Reconstruction of a defect of the ala nasi following trigeminal anaesthesia with an innervated forehead flap.

A 47-year-old man with a 15 year history of unilateral, idiopathic trigeminal anaesthesia presented with trophic ulceration of the right ala nasi and had a successful nasal reconstruction performed using an innervated left forehead flap. Three years later the cosmetic results is satisfactory and the flap retains normal sensation.