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Table 3:

Summary of the diagnostic values of DWI and/or DPI sequences according to residual cholesteatoma size*

DWI or DPIDWI and DPI
Total SeriesTumor >3 mmTumor >5 mmTotal SeriesTumor >3 mmTumor >5 mm
Se90.00100.00100.0060.0075.00100.00
Spe54.5575.0080.0072.7384.2188.00
PPV78.2668.7554.5580.0075.0066.67
NPV75.00100.00100.0050.0084.21100.00
  • Note:—Se indicates sensitivity; Spe, specificity; PPV, positive predictive value; NPV, negative predictive value.

  • * DWI or DPI diagnosis of cholesteatoma with any of these 2 examinations is sufficient to suggest a residual lesion. DWI and DPI diagnosis of cholesteatoma with both examinations is necessary to suggest a residual lesion.