Resolution of Catamenial Epilepsy after Goserelin Therapy and Oophorectomy: Case Report of Presumed Cerebral Endometriosis
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Endometriosis can develop in every organ and tissue in the female body except perhaps the spleen. The mechanism of distal metastasis is thought to be hematogenous or lymphatic spread from the uterus. Endometriotic lesions in the central nervous system are rare. Herein, we report the case of a woman with abnormal uterine bleeding who developed catamenial neurologic signs and symptoms. Computed tomography scans and magnetic resonance images demonstrated a circumscribed lesion in the left centrum semiovale of the brain. All neurologic symptoms resolved completely after treatment with gonadotropin-releasing hormone agonist for 3 months and subsequent laparoscopic bilateral oophorectomy. The patient was thought to have cerebral endometriosis, a rare phenomenon, although several cases have been reported in the literature. Temporal association of neurologic signs and symptoms with menstruation that resolves with medical or surgical menopause is highly suggestive of cerebral endometriosis.
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