脑血栓形成患者在CT检査中显示低密度灶的时间一般为（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25679' and id < 2158614 and id<>'2158614' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25679' and id > 2158614 and id<>'2158614' order by id asc limit 5