Bhatia Snigdha, Qasim Amna, Jiwani Amyn K, Aly Ashraf M
Department of Pediatrics, University of Texas Medical Branch, Galveston, TX, USA.
Division of Pediatric Cardiology, Texas Children's Hospital, Houston, TX, USA.
Case Rep Pediatr. 2021 Jan 12;2021:8889941. doi: 10.1155/2021/8889941. eCollection 2021.
Advances in imaging have resulted in more frequent reporting of primitive right atrial structures which can sometimes mimic cardiac tumors in prenatal ultrasound. Prominent crista terminalis and Chiari network are examples of these structures. We describe two cases of pregnant women referred to the fetal cardiology clinic for fetal echocardiography for right atrial masses seen on prenatal ultrasound suspicious of tuberous sclerosis. The first case subsequently diagnosed as crista terminalis and the second case as a prominent Chiari network. Postnatal ECHO confirmed the benign nature of these structures. It is important to differentiate tumors from prominent benign structures in the right atrium in fetal ECHO. The location and the similar echogenicity to the adjacent atrial tissue are clues for differentiation of these structures from atrial tumors.
成像技术的进步导致在产前超声中更频繁地报告原始右心房结构，这些结构有时可类似于心脏肿瘤。显著的界嵴和希阿里网就是这些结构的例子。我们描述了两例因产前超声发现右心房肿块而被转诊至胎儿心脏病诊所进行胎儿超声心动图检查的孕妇病例，肿块疑似结节性硬化症。第一例随后被诊断为界嵴，第二例为显著的希阿里网。产后超声心动图证实了这些结构的良性性质。在胎儿超声心动图中，将肿瘤与右心房中显著的良性结构区分开来很重要。这些结构与相邻心房组织的位置关系以及相似的回声特性是将它们与心房肿瘤区分开的线索。
