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AJNR - American Journal of Neuroradiology

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Nasopharyngeal Carcinoma: Recognizing the Radiographic Features in Children

Hilda E. Stambuk^a, Snehal G. Patel^b, Kristine M. Mosier^a, Suzanne L. Wolden^c and Andrei I. Holodny^a

^a Department of Radiology, Division of Neuroradiology, Memorial Sloan-Kettering Cancer Center, New York, NY
^b Department of Surgery, Head and Neck Service, Memorial Sloan-Kettering Cancer Center, New York, NY
^c Department of Radiation Oncology, Memorial Sloan-Kettering Cancer Center, New York, NY

View larger version (154K): [in a new window]   FIG 1. The configuration of NPC is almost always asymmetric as seen in this contrast enhanced, axial T1 weighted fat saturation MRI image (TR = 400, TE = 10.3).

View larger version (125K): [in a new window]   FIG 2. Central skull base invasion. Note high signal in the left aspect of the clivus on this axial, T2 weighted fat saturation MRI image. (TR = 2000, TE = 105).

View larger version (73K): [in a new window]   FIG 3. Tumor extending into and widening the right petroclival fissure (arrows). Soft tissue (A) and (B) bone windows CT neck with contrast.

View larger version (151K): [in a new window]   FIG 4. Invasion of the right parapharyngeal space fat. Axial contrast enhanced neck CT.

View larger version (138K): [in a new window]   FIG 5. Tumor extension into and widening of the right pterygopalatine fossa (arrow) seen on soft tissue window image (A) and three consecutive bone window images (B-D) CT neck with contrast.

View larger version (145K): [in a new window]   FIG 6. Tumor invading the left masticator space. Axial T2 weighted fat saturation MRI image. (TR = 2000, TE = 105).