References
- Byers BD, Goharkhay N, Mateus J, et al. Pregnancy outcome after ultrasound diagnosis of fetal intra-abdominal umbilical vein varix. Ultrasound Obstet Gynecol 2009;33:282–6.
- Lee SW, Kim MY, Kim JE, et al. Clinical characteristics and outcomes of antenatal fetal intra-abdominal umbilical vein varix detection. Obstet Gynecol Sci 2014;57:181–6.
- Valsky DV, Rosenak D, Hochner-Celnikier D, et al. Adverse outcome of isolated fetal intra-abdominal umbilical vein varix despite close monitoring. Prenat Diagn 2004;24:451–4.
- Vanrykel K, Bruneel E, Van Hoestenberghe MR, et al. Neonatal disseminated intravascular coagulation after thrombosis of a fetal intra-abdominal umbilical vein varix. J Obstet Gynaecol 2010;30:315.
- Nyberg DA. Diagnostic imaging of fetal anomalies. Philadelphia: Lippincott Williams & Wilkins; 2003: xvii, 1102.
- Mahony BS, McGahan JP, Nyberg DA, Reisner DP. Varix of the fetal intra-abdominal umbilical vein: comparison with normal. J Ultrasound Med 1992;11:73–6.
- Huber G. Title page – intrahepatic umbilical vein varix with postnatal complication in the newborn. Ultraschall Med 2010;31:1–3.
- Rahemtullah A, Lieberman E, Benson C, Norton ME. Outcome of pregnancy after prenatal diagnosis of umbilical vein varix. J Ultrasound Med 2001;20:135–9.
- Sepulveda W, Mackenna A, Sanchez J, et al. Fetal prognosis in varix of the intrafetal umbilical vein. J Ultrasound Med 1998;17:171–5.
- Weissmann-Brenner A, Simchen MJ, Moran O, et al. Isolated fetal umbilical vein varix–prenatal sonographic diagnosis and suggested management. Prenat Diagn 2009;29:229–33.
- Beraud E, Rozel C, Milon J, Darnault P. Umbilical vein varix: importance of ante- and post-natal monitoring by ultrasound. Diagn Interv Imaging 2015;96:21–6.
- Mankuta D, Nadjari M, Pomp G. Isolated fetal intra-abdominal umbilical vein varix: clinical importance and recommendations. J Ultrasound Med 2011;30:273–6.
- Bas-Lando M, Rabinowitz R, Samueloff A, et al. The prenatal diagnosis of isolated fetal varix of the intra-abdominal umbilical vein is associated with favorable neonatal outcome at term: a case series. Arch Gynecol Obstet 2013;288:33–9.
- Rizzo G, Arduini D. Prenatal diagnosis of an intra-abdominal ectasia of the umbilical vein with color Doppler ultrasonography. Ultrasound Obstet Gynecol 1992;2:55–7.
- Estroff JA, Benacerraf BR. Fetal umbilical vein varix: sonographic appearance and postnatal outcome. J Ultrasound Med 1992;11:69–73.
- Moore L, Toi A, Chitayat D. Abnormalities of the intra-abdominal fetal umbilical vein: reports of four cases and a review of the literature. Ultrasound Obstet Gynecol 1996;7:21–5
- Allen SL, Bagnall C, Roberts AB, Teele RL. Thrombosing umbilical vein varix. J Ultrasound Med 1998;17:189–92.
- Zalel Y, Lehavi O, Heifetz S, et al. Varix of the fetal intra-abdominal umbilical vein: prenatal sonographic diagnosis and suggested in utero management. Ultrasound Obstet Gynecol 2000;16:476–8.
- Viora E, Sciarrone A, Bastonero S, et al. Anomalies of the fetal venous system: a report of 26 cases and review of the literature. Fetal Diagn Ther 2004;19:440–7.
- Zachariah M, Vyjayanthi S, Bell-Thomas S. Umbilical vein varix thrombosis: a rare pathology. J Obstet Gynaecol 2004;24:581.
- Fung TY, Leung TN, Leung TY, Lau TK. Fetal intra-abdominal umbilical vein varix: what is the clinical significance? Ultrasound Obstet Gynecol 2005;25:149–54.
- Mantas N, Sifakis S, Koukoura O, et al. Intraabdominal umbilical vein dilatation and term delivery. A case report and review of the literature. Fetal Diagn Ther 2007;22:431–4.
- Benoist G, Gauthier F, Belloy F, et al. Antenatal sonographic features of aneurysmal dilatation of a vitelline vein. Ultrasound Obstet Gynecol 2007;29:708–11.
- Ipek A, Kurt A, Tosun O, et al. Prenatal diagnosis of fetal intra-abdominal umbilical vein varix: report of 2 cases. J Clin Ultrasound 2008;36:48–50.
- Ranka P, Popli K, Lincoln K. Fetal intra-abdominal umbilical vein varix. J Obstet Gynaecol 2008;28:747–8.
- Fung TY, Chan LW, Leung TY, Lau TK. Gastroschisis associated with an intra-abdominal umbilical vein varix: a report of 2 cases. Fetal Diagn Ther 2009;25:404–6.
- Sen J, Rohilla S, Mittal A, et al. Favorable obstetric outcome in a fetus diagnosed with umbilical vein varix at 22 weeks' gestation. Taiwan J Obstet Gynecol 2009;48:428–30.
- Lu M, Kakani N, Romagnoli C, et al. Two- and three-dimensional sonographic diagnosis of fetal intra-abdominal umbilical vein varix: a case report. J Clin Ultrasound 2012;40:586–9.
- Rosenblatt J, Loberstajn A, Coulomb A, et al. Intra-abdominal umbilical vein varix associated with fetal cardiac failure: a pitfall to the prenatal diagnosis of alpha-zero-thalassemia. Fetal Diagn Ther 2013;34:59–62.
- Melcer Y, Ben-Ami I, Wiener Y, et al. Long-term outcomes of children with umbilical vein varix diagnosed prenatally. Prenat Diagn 2013;33:492–6.
- Brookfield KF, Osmundson SS, Chetty S, et al. Isolated umbilical vein varix with a poor outcome despite close fetal surveillance. J Ultrasound Med 2013;32:1680–2.
- Sanapo L, Burul G, Saccardi C, et al. Four cases of fetal intra-abdominal umbilical vein varix: a single centre's approach to management. J Obstet Gynaecol 2013;33:375–7.
- Pamplona-Bueno L, Padilla-Iserte P, Ferri-Folch B, et al. Fetal intra-abdominal umbilical vein varix: a case report and literature review. J Obstet Gynaecol India 2015;65:420–2.