Trident sign trumps Aquaporin-4-IgG ELISA in diagnostic value in a case of longitudinally extensive transverse myelitis

We report a case in which the patient was initially diagnosed with neuromyelitis optical spectrum disorder, but where the “trident” sign ultimately led to the correct diagnosis of spinal cord sarcoidosis.
Source: Multiple Sclerosis and Related Disorders - Category: Neurology Source Type: research