A 29 weeks’ gestational age newborn, the product of a multiple gestation, was found to have a round mass in the umbilical cord; the resected lesion was an ectopic liver tissue (3 ×2 cm). She also had an imperforated hymen; otherwise, no other abnormalities were seen. The infant survived. Some possible mechanisms that may be associated with an ectopic liver tissue are presented.
DuncanS. Transcriptional regulation of liver development. Dev Dyn2000;219:131–142.
9.
ZhaoRDuncanS. Embryonic development of the liver. Hepatology2005;41:956–967.
10.
HamdaniSBaronR. Ectopic liver simulating a mass in the gallbladder wall: imaging findings. AJR Am J Roentgenol1994;162:647–648.
11.
JungJZhengMGoldfarbMZaretK. Initiation of mammalian liver development from endoderm by fibroblast growth factors. Science1999;284:1998–2003.
12.
RomanovYSvintsitskayaVSmirnovV. Searching for alternative sources of postnatal human mesenchymal stem cells: candidate MSC-like cells from umbilical cord. Stem Cells2003;21:105–110.
13.
WangHSHungSCPengST. Mesenchymal stem cells in the Wharton's jelly of the human umbilical cord. Stem Cells2004;22:1330–1337.
14.
BarutFBarutAGunB. Intrauterine growth restriction and placental angiogenesis. Diagn Pathol2010;5:24.
