Imaging Acute Abdomen in Children by Fred E. Avni & Philippe Petit

Author:Fred E. Avni & Philippe Petit
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

15.2 Imaging Work-Up

Ultrasonography (US) with high-resolution transducers adding color- and pulsed-Doppler is the imaging modality of choice. The real time capacity of US associated with the high spatial resolution of this technic allows very high quality and detailed demonstration of the anatomical structures. The use of Doppler provides important information on hemodynamics.

Liver MR imaging is an important imaging modality for assessing both the liver parenchyma and the biliary tract. The smallest coil available, adapted to the size of the abdomen of the child should be selected to increase spatial resolution. Baseline protocol including usual T2- and T1-weighted acquisitions in the axial plane should be performed. If the biliary tract anatomy needs to be assessed, 2D and 3D MR cholangio-pancreatography (MRCP) should be performed. Gadolinium injection is necessary for the characterization of liver masses or vascular disorders.

Computed Tomography (CT) is indicated in case of vascular disorders and for the work-up of tumors in order to confirm the diagnosis as well as for the vascular mapping before interventional radiology or surgery.

The aim of the examination is to evaluate [1]:The liver: size, margins, parenchyma (homogeneous/heterogeneous), presence of nodules,

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