Infantile Hepatic Hemangioendothelioma in Comparison with Hepatoblastoma in Children: Clinical and Ultrasound Features
Open Access
- 14 August 2013
- journal article
- Published by Briefland in Hepatitis Monthly
- Vol. 13 (8), e11103
- https://doi.org/10.5812/hepatmon.11103
Abstract
Background: Infantile hepatic hemangioendothelioma (IHH) and hepatoblastoma (HBL) are respectively the most common benign and malignant liver tumors in children. Objectives: To study the clinical manifestations and the ultrasound features of the pediatric patients for distinguishing IHH from HBL. Patients and Methods: Between 2002 and 2012, thirteen children with IHH and 38 children with HBL under the age of 10 years were included. We retrospectively reviewed the clinical and the ultrasound features of the two groups, especially including parameters as follows: age at diagnosis, gender, alpha-fetoprotein (AFP) elevation, venous involvement and Doppler ultrasound. Results: Compared with HBL group, the age of IHH group was much younger (5.8 months vs. 35.1 months, P = 0.000), the AFP elevation was less likely to be detected in IHH group (23.1% vs. 89.5%, P = 0.000). Although the color flow were the same commonly observed (61.5% vs. 52.6%, P > 0.05), the spectral Doppler showed IHH was less likely to appear as arterial flow with resistance index (RI) > 0.7(12.5% vs. 75.0%, P < 0.05), characterized by arterial flow with RI < 0.7 and/or venous flow. Combined the clinical features including age (< 6 months) and normal AFP level yielded high capability in differential diagnosis, with sensitivity, specificity and Youden index of 77% (10/13), 95% (36/38), and 0.72, respectively. When combined clinical features (age and AFP) and spectral Doppler as the diagnostic criterion for distinguishing these cases with positive color flow signals, the sensitivity, specificity, accuracy and Youden Index were 88%, 95%, 89% and 0.83, respectively. Conclusions: The clinical features are effective indicators for distinguishing IHH from HBL, and the spectral Doppler may be a useful adjunct parameter for differential diagnosis. Keywords: Liver; Hemangioendothelioma; Hepatoblastoma; UltrasonographyKeywords
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