双胎反向动脉灌注序列征；特征性灰阶及多普勒超声检查结果
Twin Reversed Arterial Perfusion (TRAP) Sequence; Characteristic Gray-Scale and Doppler Ultrasonography Findings.
作者信息
Buyukkaya Ayla, Tekbas Guven, Buyukkaya Ramazan
机构信息
Department of Radiology, Duzce Ataturk Government Hospital, Duzce, Turkey.
Department of Radiology, School of Medicine, Dicle University, Diyarbakır, Turkey.
出版信息
Iran J Radiol. 2015 Jul 22;12(3):e14979. doi: 10.5812/iranjradiol.12(3)2015.14979. eCollection 2015 Jul.
Twin reversed arterial perfusion (TRAP) sequence is a syndrome with poor prognosis, seen only in monochorionic monozygotic twin pregnancies. The incidence is one in 35.000 births and one in 100 monozygotic twin pregnancies. It is characterized with a recipient fetus exhibiting lethal anomalies including acardia and a pump fetus. Mortality is usually due to heart failure or premature labor caused by polyhydramnios of pump fetus. Herein, we report a case of TRAP sequence that emphasizes the importance of gray-scale and color Doppler imaging in the diagnosis and management of TRAP sequence.
双胎反向动脉灌注序列征（TRAP）是一种预后不良的综合征，仅见于单绒毛膜单卵双胎妊娠。发病率为每35000例出生中有1例，每100例单卵双胎妊娠中有1例。其特征是受血胎儿出现包括无心畸形等致命异常以及一个供血胎儿。死亡率通常归因于供血胎儿羊水过多导致的心力衰竭或早产。在此，我们报告一例TRAP序列征病例，强调了灰阶和彩色多普勒成像在TRAP序列征诊断和管理中的重要性。
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