Abdominal CT scan may be helpful in the diagnosis of Wilms tumor.Findings on CT scan which can be suggestive of  Wilms tumor include soft-tissue density masses,  areas of calcification (~10%) and fat-density regions. CT is better than ultrasonography in detecting small lesions of tumor. CT scan of the chest can be helpful to diagnose lung metastasis.
Wilms' tumor CT
Wilms' tumor MRI
Atypical teratoid rhabdoid tumor CT
Germinoma CT
Neuroblastoma CT
Brain Stem Gliomas CT
Brain Stem Gliomas MRI
Atypical teratoid rhabdoid tumor CT scan