A.7.4GBq B.185MBq C.3.7GBq D.740MBq E.2.96GBq
A.腦膜瘤 B.脈絡(luò)叢乳頭狀瘤 C.室管膜瘤 D.髓母細(xì)胞瘤 E.星形細(xì)胞瘤
A.回波鏈越長(zhǎng),掃描時(shí)間越長(zhǎng) B.回波鏈越短,掃描時(shí)間越短 C.回波鏈越短,掃描時(shí)間越長(zhǎng) D.回波鏈越長(zhǎng),掃描時(shí)間越短 E.掃描時(shí)間長(zhǎng)短與回波鏈無(wú)關(guān)