Cystic neurohypophysial germinoma associated with moyamoya disease

概要

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Moyamoya disease associated with a germinomahas never yet been reported in the literature. This reportdescribes a case of a cystic neurohypophysial germinomaassociated with moyamoya disease. A 15-year-old girl withcentral diabetes insipidus was admitted to the hospital.Radiological examination revealed a suprasellar tumor andmoyamoya disease. Surgery and pathological study confirmedpure germinoma. After the patient was treated withradiation and chemotherapy, the tumor was controlledwithout any effect on the moyamoya vessels. This reportdescribes a rare incidental combination of moyamoya diseaseand a suprasellar germinoma. In the management ofsuch cases, physicians should be aware of the symptoms,course, and natural history of both diseases and the effectsand side effects of each type of therapy.