1. Walsh PC (2002) Other bladder anomalies. In: Walsh PC, Retik AB, Vaughan ED Jr, et al (eds) Campbell’s urology, 8th edn. Saunders, Philadelphia, pp 2189–2191
2. Garel C, Brisse H, Sebag G, et al (1998) Magnetic resonance imaging of the fetus. Pediatr Radiol 28:201–211
3. Sadler TW (1985) Embryonic period to fetal membranes and placenta. In: Tracy TM (ed) Langman’s medical embryology, 5th edn. Williams & Wilkins, Baltimore, pp 58–102
4. Sepulveda W, Sebire N, Harris R, et al (2003) The placenta, umbilical cord, and membranes. In: Nyberg D, McGahan J, Pretorius D, et al (eds) Diagnostic imaging of fetal anomalies. Lippincott, Williams & Wilkins, Philadelphia, pp 117–120
5. Emura T, Kanamori Y, Ito M, et al (2004) Omphalocele associated with a large multilobular umbilical cord pseudocyst. Pediatr Surg Int 20:636–639