FIG 4. Images from the case of a 5-year-old male patient with a nasopharyngeal mass.

A, Lobulated nasopharyngeal mass is seen on the sagittal T2-weighted MR image.

B, T1-weighted coronal MR image also shows the lobulated nasopharyngeal mass.

C, Coronal contrast-enhanced fat-saturated T1-weighted MR image shows minor eccentric contrast enhancement.

D, No significant contrast material flow was seen within the lesion on MR digital subtraction angiograms. This lesion was diagnosed as Burkitt lymphoma on the basis of biopsy findings.