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目的 探讨贲门癌根治术中上切断线的判定。方法 通过对 70例施行根治性手术的贲门癌口侧浸润距离的测量及其与病理因素关系分析 ,判定安全切断线。结果 贲门癌口侧浸润距离与其病理因素密切相关 (P<0 .0 5 )。结论 癌灶 <3cm ,早期及 Borrmann2、3型、高分化、团生、浆膜层未受侵时 ,上侵长度在 2 cm以内 ,安全切断线可在 3cm以内。而>3cm、Borrmann3、4型、低分化、弥漫生长、浆膜受侵者 ,上侵长度为 2～ 4cm左右 ,安全切线应在 5 cm以上。
Objective To investigate the judgment of the upper midline of radical resection of cardiac cancer. Methods The safety cut-off line was determined by measuring the infiltration distance of cardiac cancer in 70 cases of radical surgery and its relationship with pathological factors. Results The invasive distance of cardiac cancer was closely related to its pathological factors (P<0.05). Conclusion When the foci are <3cm, early and Borrmann type 2, type 3, well-differentiated, mass-bearing, and serosal layer are not affected, the invasion length is within 2 cm, and the safety cut-off line can be within 3cm. For >3cm, Borrmann type 3, type 4, poorly differentiated, diffusely growing, serosal invaded, the invading length is about 2 to 4cm, and the safety tangent should be more than 5 cm.