Moyamoya Syndrome Associated With Hashimoto's Thyroiditis

ABSTRACT

Autoimmune thyroid disease associated with Moyamoya syndrome has mostly been reported as Graves' disease, and not as Hashimoto's thyroiditis. We report a case of a 70-year-old man with right posterior cerebral artery territorial infarction and bilateral distal internal carotid artery occlusion, which suggests Moyamoya syndrome, but who was diagnosed as Hashimoto's thyroiditis.