多发性转移瘤,MRI检查时哪种序列最敏感() ["A.FLAIR","B.GRE","C.STIR","D.FSETWI","E.脂肪抑制TlWI"]
胎盘由______、______和______构成。
确诊多发性骨髓瘤,需下列哪一项检查() ["A.MRI增强扫描","B.CT增强扫描","C.核素扫描","D.骨髓穿刺活检","E.尿常规"]
Modic将椎间盘脱出分为4型,其中不包括() ["A.突出","B.挤出","C.髓核游离","D.椎体滑脱","E.膨出"]
胎儿附属物是指胎儿以______,包括______、______、_____和______。
胎盘合成的甾体激素有_________和__________等。