A Rip on One Side Causes a Lopsided Eye

Horner's syndrome due to a cervical rib is an extremely rare disorder. Horner's syndrome usually presents with clinical symptoms related to the anatomic location of the underlying disorder. Cervical rib may cause avulsion of the brachial plexus, consequently; causing a preganglionic Horner's syndrome. While cervical rib is reported as a cause of Horner's syndrome in the literature, we found only few reported cases. We herein present 34 year-old WM with Horner's syndrome due to cervical rib. Review of current; literature, diagnosis and management are discussed.