二维超声单用与三维超声联合应用诊断胎儿肢体远端发育异常的对比研究

摘要

Objective To determine the value of two-dimensional ultrasound (2D-US) combined three-dimensional ultrasound (3D-US) in diagnosing of fetal limb distal deformity.Methods Prenatal ultrasound data of 310 patients with fetal limb distal deformity diagnosed in follow-up were retrospectively analyzed.The diagnostic accuracy of 2D-US and 2D-US combined 3D-US were compared.Results Among the 310 cases of limb distal deformity,there were 33 cases with aplasia of radius,23 cases with abnormal hand posture,7 cases with syndactyly,7 cases with polydactyly of fingers,6 cases with ectrodactyly of finger,17 cases with achiria,1 case with polydactyly of toes,1 case with ectrodactyly of toe,214 cases with clubfoot,1 case with sirenomelia sequence.280 cases were diagnosed by 2D-US with accuracy rate of 89.9％ (280/310) and 303 cases were diagnosed by 2D-US combined 3D-US with accuracy rate of 97.7％ (303/310).The difference was statistically significant (P＜0.05).Conclusion 2D-US combined with 3D-US can improve diagnostic accuracy for detecting fetal limb distal deformity.%目的 探讨二维超声(2D-US)单用与三维超声(3D-US)联合应用诊断胎儿肢体远端发育异常的价值.方法 对我院产后证实的310例肢体远端发育异常的病例进行回顾性分析,比较二维超声、二维联合三维超声的诊断符合率.结果 310例肢体远端发育异常中,桡骨缺失33例,手姿势异常23例,并指7例,多指7例,缺指6例,手掌缺如17例,多趾1例,足趾缺如1例,足内翻214例,人鱼序列综合征1例.二维超声共检出280例,符合率89.9％(280/310例);二维联合三维超声检出303例,符合率为97.7％(303/310例),差异均有统计学意义(P＜0.05).结论 2DUS联合3D-US超声较2D-US在检出胎儿肢体远端发育异常的病变部位更有诊断价值.