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Insights into Imaging
Fig. 9 | Insights into Imaging

Fig. 9

From: Non-echoplanar diffusion weighted imaging in the detection of post-operative middle ear cholesteatoma: navigating beyond the pitfalls to find the pearl

Fig. 9

False positive high DWI signal for cholesteatoma. Non-cholesteatomatous tissue (surgically confirmed non-specific inflammation) at the post-operative mastoid remnant, which demonstrated a high signal (white arrow) on the b1000 image suggestive of residual cholesteatoma. However, b the corresponding ADC map demonstrated borderline high ADC signal (white arrow) and value not supporting the diagnosis of residual cholesteatoma. This case could also have been resolved with a follow-up DWI scan

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