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  • Title: Evaluation of children for liver transplantation: value of MR imaging and sonography.
    Author: Bisset GS, Strife JL, Balistreri WF.
    Journal: AJR Am J Roentgenol; 1990 Aug; 155(2):351-6. PubMed ID: 2115267.
    Abstract:
    Diagnostic imaging plays a major role in the diagnosis and treatment of chronic liver disease in children. Decisions regarding the need for sclerotherapy, palliative shunts, and anatomic suitability for hepatic transplantation are based on the upper abdominal anatomy. Thirty-six children with various forms of chronic liver disease were referred for diagnostic imaging, including MR and sonography. Each study was evaluated independently without knowledge of the other examination. The first six patients were evaluated retrospectively and the last 30 patients prospectively. The size of the portal vein and inferior vena cava varied in this population, with excellent agreement between sonography and MR. A 2-mm portal vein was shown only on MR imaging in two patients, but MR missed a 3-mm portal vein. Portosystemic collateral vessels also were evaluated and noted to be detected more readily with MR imaging (64%) than with sonography (22%). In particular, paraumbilical veins were detected more often with MR (28% vs 6% by sonography). Associated or coexisting anomalies were relatively common in children with chronic liver disease (14%). These included polysplenia (two cases), preduodenal portal vein (one), unilateral dysplastic kidneys (two), ureteropelvic junction obstruction (one), and splenic (one) and renal (one) cysts. MR imaging was more sensitive than sonography for detection of abnormal anatomy in this group of patients and should be considered the pretransplantation imaging technique of choice in children with end-stage liver disease.
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