Abstract
Objective To evaluate the value of ultrasound in differential diagnosis of neonatal obstructive hepatitis and congenital biliary atresia. Methods From June 2005 to October 2008, ultrasound data of 19 cases with neonatal obstructive hepatitis and 21 cases with congenital biliary atresia were reviewed retrospectively. The gall bladder shape and size, gall bladder contraction and the visualization of the triangular cord sign were analyzed. Results Statistically, the gall bladder size of patients with neonatal obstructive hepatitis was significantly greater than that of patients with congenital biliary atresia(P=0.001). The presenting rates of gall bladder contraction and the triangular cord sign of two groups were significantly different(P=0.028). Conclusion The size and shape of gall bladder, triangular cord sign, and the ability of gall bladder contraction were useful sonographically in differential diagnosis between neonatal obstructive hepatitis and congenital biliary atresia. Key words: ultrasound; neonatal obstructive hepatitis; congenital biliary atresia
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