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"Wandering liver" describes an excessive mobility of the liver caused by abnormalities of hepatic fixation that could lead to hepatic pedicle torsion or bowel obstruction. It is considered a rare entity, but because of the evolution in medical imaging techniques, this unusual condition is being identified more often. We report 2 cases presenting with chronic vague abdominal pain, diagnosed by abdominal ultrasonography and the use of cine-magnetic resonance imaging sequences with dynamic maneuvers. We tried to correlate our ultrasound and magnetic resonance imaging findings to peroperative findings and insist on the usefulness of dynamic maneuvers when confronted with atypical symptoms and a normal abdominal ultrasound scan finding., (Copyright © 2012 Elsevier Inc. All rights reserved.)

Background: Two-dimensional (2-D) shear wave elastography is a commonly used sonographic elastography method for the noninvasive measurement of liver stiffness. There is little liver stiffness data available in the pediatric population and its association with the child's weight is scarce. Objective: The principal aim of our study was to determine weight-specific reference liver stiffness values in a pediatric population free of liver disease. Materials and methods: In this retrospective single-center study, 2-D shear wave elastography values were recorded in children with no history of liver disease and with a clinically indicated ultrasound examination, between April 2021 and July 2022. Examinations were performed using an Aplio i800 and two Aplio a450 (Canon Medical Systems), with a convex probe (i8CX1 or 8C1 transducers). This population was divided into ten weight groups. We evaluated the relation between weight and liver elasticity values and compared right and left lobe measurements. Results: During the period of the study, 235 children were included. We then excluded 64 patients (weight not available = 13, interquartile range to median ratio (IQR/M) greater than 30% = 51). On the final sample (171 patients, median age 6.5 years [0–18], median weight 22.6 kg [2.5–80]), stiffness values showed a global significant trend to increase with weight. In each group, there was no significant difference between right and left liver stiffness values. The mean normal liver stiffness value including all children was 5.3 ± 1.1 kPa. Conclusion: Liver stiffness in our pediatric sample with no history of liver disease increases with weight. These data may help to distinguish normal from pathological elastography values. [ABSTRACT FROM AUTHOR]