PMC4789561_01
A 32-year-old woman, nasopharyngeal examination shows irregular redness mucosa and white patch covers the nasopharyngeal area.
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fig1
A 32-year-old woman, axial contrast-enhanced CT shows diffuse mucosal thickening without invasion into surrounding structures.
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fig2
The lesion was usually confined in the nasopharyngeal area without invasion into the surrounding structures such as skull base, prevertebral muscle, nasal cavity, and oropharyngeal area (Figure 2).
A 32-year-old woman, sagittal contrast-enhanced CT shows small central necrosis area in the nasopharyngeal lesion.
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fig3
Cai et al. suggested that a small necrosis in a nasopharyngeal lesion which was caseous necrosis on pathology might be a valuable clue to diagnose NPTB (Figure 3), although the area of necrosis might have a similar appearance on NPC but was seen more often in a large tumor or after treatment.