No shinkei geka. Neurological surgery
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A 61-year-old man presented with a rare case of spontaneous vertebral arteriovenous fistula manifesting as radiculopathy of the left arm. MRI demonstrated an abnormal dilated vascular space on the left ventral aspect of the spinal canal and compression of the spinal cord and subarachnoid space. ⋯ The fistula was successfully obliterated by coil embolization with preservation of patency of the left vertebral artery, resulting in improvement of the signs and symptoms. Retrospectively this spontaneous vertebral arteriovenous fistula was considered in association with fibromuscular dysplasia.
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Hypertrophic pachymeningitis is a rare disease, and the fibrosing inflammatory process causes a thickening of the dura mater. A 62-year-old male undergoing corticosteroid therapy for autoimmune pancreatitis presented with headache and right facial numbness. ⋯ Systemic IgG4 related disease entity is proposed and analyzed from Japan, and pachymeningitis is also included in the examination. Some autoimmune mechanism is related to pachymeningitis, however, it is necessary to consider well if only the IgG4 has responsibility for the disease.