Idiopathic trigeminal sensory neuropathy is well documented in the adult po
pulation. We report a rare case of idiopathic trigeminal sensory neuropathy
in a 9-year-old girl in whom the territory innervated by all three nerve d
ivisions was affected. Our patient presented with an atypical clinical pict
ure combining right facial numbness, hyperesthesia, and photophobia. Motor
paresis mid pain were absent, the corneal reflex was retained, and complete
recovery was achieved after 10 weeks. The clinical course of this conditio
n resembles that of childhood peripheral facial nerve palsy and may stem fr
om a similar etiology. To our knowledge, our patient is the first reported
case of benign, reversible, idiopathic trigeminal sensory neuropathy occurr
ing in childhood.