Abstract
Introduction: Percheron syndrome is the cause of bilateral thalamic ischemic lesions, causing a series of clinical abnormalities such as an altered state of consciousness, ophthalmoplegia, and memory alterations. Clinical case: We present the case of 49-year-old woman with diabetes mellitus, poor metabolic control, and repetitive hypoglycemic and hyperglycemic episodes with nonspecific symptoms, non-invasive imaging studies were performed, which documented bilateral thalamic lesions. Conclusions: Subacute and partial ischemic symptoms that involve the paramedian region of the bilateral thalamus could have some relationship with repetitive hypoglycemic and hyperglycemic episodes, and can lead to mild and nonspecific symptoms, which makes it a diagnostic challenge for this syndrome.
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