单项选择题
A.窗宽500~1000HU,窗位-500~-800HU B.窗宽800~1500HU,窗位-500~-800HU C.窗宽800~1500HU,窗位-600~-800HU D.窗宽500~1000HU,窗位-600~-800HU E.窗宽500~1500HU,窗位-600~-900HU
A.60~70s B.90s C.2min D.2~3min E.3~5min或更长
A.肝脏海绵状血管瘤 B.胆囊炎 C.肾脓肿 D.浅表性胃炎 E.胰腺炎