视网膜母细胞瘤在声像图上表现为“钙斑”， “钙斑”的超声检出率是（     ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25749' and id < 2163789 and id<>'2163789' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25749' and id > 2163789 and id<>'2163789' order by id asc limit 5