什么叫做乳腺钼靶X线摄影检查

2024-11-20 06:45:37
推荐回答(1个)
回答1:

乳腺钼靶X线摄影检查,是目前诊断乳腺疾病的首选和最简便、最可靠的无创性检测手段,痛苦相对较小,简便易行,且分辨率高,重复性好,留取的图像可供前后对比,不受年龄、体形的限制,目前已作为常规的检查。它的特点是可以检测出医生触摸不到的乳腺肿块,特别是对于大乳房和脂肪型乳房,其诊断性可高达95%,对于以少许微小钙化为唯一表现的T0期乳腺癌(临床扪诊阴性),也只有凭借软X线检查才能被早期发现和诊断,对乳腺癌的诊断敏感性为82%~89%,特异性为87%~94%。乳腺钼靶X线机具有照片图像清晰、对比度适宜等优点,可清楚显示乳房内小于1cm的结节性病灶,并可准确定性、定位。乳腺钼靶摄影常能检查出医师不能触及的结节,即所谓“隐匿性乳癌”和很早期的原位癌,比有经验的医师早两年发现早期乳腺癌。其辐射剂量亦降低至每人次(两侧四位)0.003Gy以下,对人体无损害。即使临床诊断乳腺癌已很明确时,仍应进行乳腺钼靶摄影,因乳腺钼靶摄影可帮助明确肿瘤的位置、肿瘤的浸润范围、有无多发癌灶以及对侧乳腺的情况,以上资料对于正确制定治疗方案至关重要。同时乳房钼靶X线摄影还具有以下几方面独特的价值:1、它可作为一种相对无创性的检查方法,能比较全面而正确地反应出整个乳房的大体解剖结构; 2、利用X线检查可以观察各种生理因素(如月经周期、妊娠、哺乳、经产情况及内分泌改变等)对乳腺结构的影响,并可以作动态观察; 3、可以比较可靠地鉴别出乳腺的良性病变和恶性肿瘤; 4、根据X线检查,可发现某些癌前期病变,并可以进行随访摄片观察; 5、对于乳腺癌患者进行放疗、化疗后的病变情况进行随访检查,观察疗效,并对健侧乳房进行定期监测。 乳腺钼靶X线检查具有全面、直观、操作简单、安全和费用比较低廉等特点,已成为公认的乳腺癌临床常规检查和乳腺癌预防普查的最好方法之一,对发现早期癌病,提高乳腺病变诊断符合率和患者的生存率做出贡献。

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