超声显像示胆固醇结晶后方出现逐渐变细 的髙回声，此现象叫做

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31790' and id < 2541512 and id<>'2541512' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31790' and id > 2541512 and id<>'2541512' order by id asc limit 5