Article Figures & Data
Figures
- 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).
- 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).
- Fig 3.
Tumor extending into and widening the right petroclival fissure (arrows). Soft tissue (A) and (B) bone windows CT neck with contrast.
- Fig 4.
Invasion of the right parapharyngeal space fat. Axial contrast enhanced neck CT.
- 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.
- Fig 6.
Tumor invading the left masticator space. Axial T2 weighted fat saturation MRI image. (TR = 2000, TE = 105).
Tables
Patient Age(y)/Sex Presenting Symptom Time to Diagnosis (mo) T Stage at Diagnosis N Stage Epstein-Barr Virus Status 1 13/F R neck mass 3 T4 N3b Positive 2 17/M Pain right ear 7 T4 N2 NA 3 16/F NA NA T3 N2 NA 4 16/M Epistaxis 2 T4 N2 Positive 5 13/F R otitis media, neck mass 4 T4 N2 Negative 6 12/M Epistaxis 4 T3 N2 Positive 7 16/M NA NA T4 N1 NA 8 14/M L neck mass 1 T4 N3b NA 9 15/M R neck mass 4 T4 N2 Positive 10 15/M L neck mass, nasal stuffiness 4 T3 N2 NA 11 12/F R nece mass 2 T3 N2 NA Note—NA = not available.
Patient Imaging Nasal Cavity Lateral Retropharyngeal Lymphadenopathy Neck Nodes Mastoid Opacification Petroclival Fissure Skull Base/Prevertebral Muscle Pterygopalatine Fossa Parapharyngeal Space Masticator Space Carotid Encasement Cavernous Sinus Sphenoid Sinus 1 CT, MR Involved NI Bilateral Yes NI Unilateral Unilateral Unilateral NI Yes Involved Involved 2 CT Posterior choana Bilateral Unilateral Yes Bilateral Unilateral NI Unilateral NI No NI Involved 3 CT NI Unilateral Bilateral Yes NI Unilateral NI NI NI No NI NI 4 MR Posterior choana Bilateral Unilateral Yes Unilateral Unilateral NI Unilateral Unilateral No NI NI 5 CT Involved Unilateral Unilateral Yes Unilateral Unilateral NI Unilateral NI No NI NI 6 CT, MR Posterior choana Unilateral Bilateral Yes Unilateral Unilateral NI NI NI No NI Involved 7 CT Posterior choana Unilateral Unilateral Yes Unilateral Unilateral Unilateral NI Unilateral No NI NI 8 CT, MR Posterior choana Unilateral Bilateral Yes NI Unilateral NI Unilateral NI No NI NI 9 MR NI Unilateral Bilateral Yes Unilateral Unilateral NI Unilateral NI No NI NI 10 CT, MR Posterior choana Bilateral Bilateral Yes Unilateral Unilateral NI NI NI No NI NI 11 MR Posterior choana Bilateral Bilateral Both Bilateral Unilateral NI NI NI No NI NI Note—NI = not involved.
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