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  • Title: One stage removal of periaqueductal glioma in adult via infratentorial supracerebellar and transaqueductal approaches.
    Author: Koziarski A, Zieliński G, Podgórski JK, Warczyńska A.
    Journal: Acta Neurochir (Wien); 2004 Feb; 146(2):169-73. PubMed ID: 14963751.
    Abstract:
    Most cases of periaqueductal tumours were found in children and adolescents, so treatment modalities in adults are not evaluated yet. A case of 40 years old woman with tectal and periaqueductal protoplasmatic astrocytoma grade II with history of headache and episodes of syncope is described. MRI showed triventricular hydrocephalus. After a shunt procedure she was doing well for about 15 months. Then she became somnolent, disoriented, and Parinaud syndrome appeared. The solid tumour was resected microsurgically in one stage. A part of it was removed via the supracerebellar infratentorial approach and tectal plate incision. The remainder of the tumour was removed through the fourth ventricle and the aqueduct which was filled by tumour mass. Postoperatively bilateral ptosis, vertical gaze palsy, slight horizontal gaze limitation and pupilloplegia were the main neurological sequelae. They all almost completely resolved within a year. The patient is doing well two and half years after the surgery. MRI showed patency of the aqueduct and no residual tumour. The authors suggest, that direct surgical attempt at total tumour removal should be considered in cases of periaqueductal and tectal gliomas. They also believe it is the first described case, in whom this type of tumour was totally removed by a combined transtectal and transaqueductal route.
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