ENGLISH ABSTRACT
JOURNAL ARTICLE
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[Imaging of abdominal tumors in childhood and adolescence : Part I: Background, hepatic, splenic and pancreatic tumors].

Der Radiologe 2018 June
In comparison to adult patients, other specific entities of abdominal tumors occur in childhood and adolescence. These include malignant tumors originating from embryonic tissue, such as hepatoblastoma. Some of the abdominal tumors are already diagnosed prenatally or in neonates. Sonography functions as the primary radiological basic diagnostics of pediatric abdominal space-occupying lesions, if necessary supplemented by administration of ultrasound contrast medium or the implementation of novel techniques (e.g. innovative Doppler and elastography procedures). Magnetic resonance imaging (MRI) is used for a comprehensive and detailed depiction of the tumors including the question of resectability and vascular supply. Various weighting and different MRI sequences are used in order to be able to assess the signal behavior of the tumor and therefore the possible presence of calcification, necrosis or hemorrhage, the behavior of dynamic contrast enhancement, and the presence and extent of diffusion disorders. This information is decisive in order to be able to assess the entity and malignancy of the abdominal space-occupying lesion. Rare but relevant tumors with respect to the entity occur in childhood and adolescence in the abdominal organs liver, spleen and pancreas.

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