case_images: PMC4789561_01
case_images: A 32-year-old woman, nasopharyngeal examination shows irregular redness mucosa and white patch covers the nasopharyngeal area.
case_images: IJOTO2016-4817429.001.jpg
case_images: PMC4789561_01_IJOTO2016-4817429.001.jpg
case_images: fig1
case_images: A 32-year-old woman, axial contrast-enhanced CT shows diffuse mucosal thickening without invasion into surrounding structures.
case_images: IJOTO2016-4817429.002.jpg
case_images: PMC4789561_01_IJOTO2016-4817429.002.jpg
case_images: fig2
case_images: 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).
case_images: A 32-year-old woman, sagittal contrast-enhanced CT shows small central necrosis area in the nasopharyngeal lesion.
case_images: IJOTO2016-4817429.003.jpg
case_images: PMC4789561_01_IJOTO2016-4817429.003.jpg
case_images: fig3
case_images: 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.