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Click 5-month-old male with embryonal rhabdomyosarcoma. Axial CT of the abdomen and pelvis obtained following the oral administration of 360 cc of diluted Omnipaque and intravenous administration of 15 cc of Omnipaque-240. The CT demonstrates heterogeneous low attenuation pelvic mass (arrows). The low attenuation represents necrosis. Macro calcifications are not visible; however, necrosis may contain micro calcifications beyond the resolution of the CT.

Click 5-month-old male with embryonal rhabdomyosarcoma. Coronal reformatted CT of the abdomen and pelvis obtained following the oral administration of 360 cc of diluted Omnipaque and intravenous administration of 15 cc of Omnipaque-240. The CT demonstrates heterogeneous low attenuation pelvic mass (arrows). The low attenuation represents necrosis. Macro calcifications are not visible; however, necrosis may contain micro calcifications beyond the resolution of the CT.

Click 5-month-old male with embryonal rhabdomyosarcoma. Sagittal reformatted CT of the abdomen and pelvis obtained following the oral administration of 360 cc of diluted Omnipaque and intravenous administration of 15 cc of Omnipaque-240. The CT demonstrates heterogeneous low attenuation pelvic mass (arrows). The low attenuation represents necrosis. Macro calcifications are not visible; however, necrosis may contain micro calcifications beyond the resolution of the CT.