梗阻部位位于孟氏孔水平。

True Obstruction is at the level of the foramen of Monro.

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所有的巨细胞瘤均位于或者临近孟氏孔。

All giant cell tumors appear to be located at or near the foramen of Monro.

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室管膜下巨细胞星形细胞瘤均位于莫氏孔区这一特定的解剖部位，这一肿瘤常有强化，而且肿瘤逐渐增长。

Some features of subependymal grant cell astrocytoma were their anatomy location at or near the fomina of Morno, tumor enhancement and mass growth continuously.

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