In contrast when using the infratentorial supracerebellar approach the exposure of the vein of Galen and its major branch the internal cerebral vein is not satisfied .

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The preoperative measurements of the straight sinus inclination on MRI and identification of the relationship between the operative approach and lesion play an important role in dealing with the pineal region lesion via infratentorial supracerebellar approach .

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Objective To explore complication in removal of pineal tumors by infratentorial supracerebellar approach ( Krause 's approach ) .

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Influence of anatomical variations of the straight sinus on infratentorial supracerebellar approach for pineal region tumors

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The lesions in midbrain were operated by midline supracerebellar infratentorial ( 46.7 % 7 / 15 ) subtemporal or temporal-occipital transtentorial ( 26.7 % 4 / 15 ) .

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Objective To evaluate the anatomical variations of the straight sinus and their effects on the infratentorial supracerebellar approach to pineal region lesions .

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