Adalimumab-Associated Transverse Myelitis Revealing Relapsing-Remitting Multiple Sclerosis in a Crohn's Disease Patient: A Case Report

A 40-year-old woman with Crohn's disease on adalimumab presented with acute transverse myelitis characterized by leg weakness and sensory loss. MRI and CSF analysis confirmed CNS demyelination, and combined with a retrospectively identified prior relapse, she was diagnosed with relapsing-remitting MS; discontinuation of adalimumab and corticosteroid treatment led to neurological improvement.