A."局限性"軟組織影 B.硬膜囊前緣受壓 C.硬膜囊外脂肪間隙消失 D.神經(jīng)根腫脹 E.反應(yīng)性骨質(zhì)硬化
A.1mm B.2mm C.3mm D.4mm E.5mm
A.11~12mm B.12~13mm C.13~14mm D.14~15mm E.15~16mm