鼻咽癌颅内转移的最常见途径是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25396' and id < 2139830 and id<>'2139830' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25396' and id > 2139830 and id<>'2139830' order by id asc limit 5