Rinsho Shinkeigaku (Clinical Neurology)

Brief Clinical Note

A case of multiple sclerosis with incongruous homonymous hemianopia due to lateral geniculate body lesion

Hiromasa Tsuda, M.D.1), Hiroshi Ishikawa, M.D.2), Mitsuhiro Iwata, M.D.2), Teruyuki Takahashi, M.D.1), Hiroshi Shiota, M.D.1) and Tomohiko Mizutani, M.D.1)

1)Division of Neurology, Department of Medicine, Nihon University School of Medicine
2)Department of Ophthalmology, Nihon University School of Medicine

We report a rare case of a 31-year-old woman who was diagnosed as multiple sclerosis with homonymous hemianopia due to a demyelinative lesion in the lateral geniculate body. Paresthesia appeared in the distal parts of both legs from September, 2002. She complained of loss of visual field in both eyes 2 months later. Since a left asymmetric wedge-shaped homonymous hemianopia was detected by Octopus automatic perimetry, she was refered to our hospital on December 2, 2002. Neurological examination showed subjective paresthesia in the distal parts of both legs in addition to Lhermitte's sign. Brain MRI showed demyelinated lesions in the lateral geniculate body on the right and periventricular areas of the lateral ventricles. Spinal MRI revealed a demyelinated lesion in the upper cervical cord. She was diagnosed as multiple sclerosis and underwent a steroid pulse therapy. Homonymous hemianopia resolved a few days later.

(CLINICA NEUROL, 43: 370|373, 2003)
key words: multiple sclerosis, homonymous hemianopia, lateral geniculate body, magnetic resonance imaging

(Received: 18-Mar-02)