A.診斷應(yīng)考慮:皮樣囊腫、膽脂瘤、蛛網(wǎng)膜囊腫等 B.囊壁有無鈣化對皮樣囊腫與蛛網(wǎng)膜囊腫的鑒別無幫助 C.占位效應(yīng)有助于皮樣囊腫與蛛網(wǎng)膜囊腫的鑒別 D.壁有無強(qiáng)化有助于皮樣囊腫與蛛網(wǎng)膜囊腫的鑒別 E.周圍有無水腫有助于皮樣囊腫與星形細(xì)胞瘤的鑒別
A.診斷應(yīng)考慮:膽脂瘤、膠質(zhì)瘤等 B.側(cè)腦室增寬應(yīng)首先考慮腦外病變 C.腦池增寬應(yīng)首先考慮膠質(zhì)瘤 D.腦池形態(tài)一致應(yīng)首先考慮聽神經(jīng)瘤 E.掃描病灶無強(qiáng)化不首先考慮聽神經(jīng)瘤
A.急性期病灶可強(qiáng)化 B.多發(fā) C.位于腦室旁 D.無占位效應(yīng) E.病灶小