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Abstract #0075

MR imaging and MR guided biopsy in initial diagnosis and staging of pediatric malignancies – a one-stop shop approach

Guenther Schneider1, Tobias Woerner1, and Arno Buecker1
1Diagnostic and Interventional Radiology, Saarland University Medical Center, Homburg, Germany

Diagnosis and staging in pediatric malignancies today involves different imaging procedures, from conventional x-ray over ultrasound to MR-, CT- and PET-imaging. We evaluated as if MRI can be used as a comprehensive one-stop shop for diagnosis, staging and biopsy in pediatric malignancies. As a result, when comparing the different imaging modalities, differences between MRI and CT were seen regarding the higher number of small lung lesions detected (<3mm) on CT. Comparable results were seen for abdominal tumors, Hodgkin- and Non-Hodgkin Lymphoma. In Ewing sarcoma MRI showed advantages compared with PET imaging regarding detection of skip lesions and bone marrow metastases.

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