Horner's syndrome is a clinical condition that arises from damage to the sympathetic nerve pathway supplying the face and eye. This disruption leads to a distinct set of signs localized to the affected side of the face.
The diagnosis relies on identifying a cluster of specific symptoms. These characteristic features include:
These signs collectively define Horner's syndrome.
A 30-year old male was being evaluated for paraparesis. On examination, there was severe muscle atrophy, with absent deep tendon reflexes and absent Babinski sign. The most likely possibility is: