Exam revealed asymmetric dilated pupils, 2/5 hip flexion, hyperreflexia with clonus, and sensory loss below the groin. RPR was 1:256 with positive treponemal antibody. CSF showed pleocytosis, high protein, low glucose, and reactive VDRL, confirming neurosyphilis. MRI spine demonstrated longitudinally extensive T2 hyperintensity with syrinx; brain MRI/CTA showed left MCA perivascular enhancement, acute infarct, and multifocal stenoses. Ophthalmology noted anterior/intermediate uveitis.
He was treated with IV penicillin G for 14 days followed by benzathine penicillin. For vasculitis and myelitis, he received 3 days of IV methylprednisolone followed by oral prednisone taper. Over two weeks, strength and sensation improved, though urinary retention persisted. He was discharged with improved mobility, ongoing physical therapy, and urology follow up.