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宫颈锥形切除术适用于以下患者:
\n\n\n\t- 宫颈活检病理证实存在高级别的宫颈上皮内瘤变:CIN(cervical intraepithelial neoplasia) II 级、CIN II~III 级、CIN III 级和宫颈腺不典型增生(又称宫颈原位腺癌)。
\n\t- 宫颈液基薄层细胞学检查多次发现有恶性细胞,或临床上高度怀疑为宫颈浸润癌,但是宫颈活检以及宫颈管搔刮均阴性,可以通过宫颈锥切术帮助诊断。
\n\t- 宫颈鳞癌 IA1 期,并且患者有明确的生育要求,可以大范围的宫颈锥形切除治疗宫颈癌。
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\n\n与宫颈环形电切术比较,宫颈锥形切除术存在以下优势:
\n\n\n\t- 宫颈锥形切除术是一项可以为每个患者“量身定做”的手术。根据患者的宫颈大小、形状、宫颈病变宽度、深度、严重程度结合患者对生育的要求,医生可以为每位患者选择最合适的手术切除范围(如下图所示),切除的锥形可高可低、可胖可瘦。
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\n\n\n\t- 术中采用麻醉,可以最大程度减少患者的疼痛,甚至达到无痛。
\n\t- 针对宫颈萎缩严重的老年患者,以及宫颈手术后残留宫颈体积小的患者,采用麻醉后可以最大程度地暴露宫颈组织,切除病灶。
\n\t- 术后人乳头状瘤病毒转阴率高:由于宫颈锥切术范围大,且麻醉状态下可使用电刀烧灼止血,烧灼产生的高热能够杀死不耐热的人乳头状瘤病毒,因此,宫颈锥切术后病毒转阴率会明显高于宫颈环形电切术。
\n\t- 宫颈锥形切除术中可以进行缝合,缝合一方面能够更彻底止血,另一方面也预防了手术以后的宫颈外翻。
\n\t- 对于还存在阴道上皮内瘤变的患者,宫颈锥切术同时可以手术治疗阴道壁的病变。
\n\t- 宫颈锥切术可以用于 IA1 期宫颈癌的治疗:明确诊断 IA1 期的宫颈癌,并且患者有生育要求的前提下,大范围宫颈锥切术能够作为患者保留子宫的一种手术选择。
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