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Insights into Imaging
Fig. 3 | Insights into Imaging

Fig. 3

From: Role of MRI as first-line modality in the detection of previously undiagnosed otosclerosis: a single tertiary institute experience

Fig. 3

A 46-year-old male patient with right-sided MHL (case 8). Axial T1W MR image (a) shows intermediate T1 signal around the basal turn of the right cochlea (thin arrow) and in the left FA region (thick arrow). Axial T1W MR image at a lower level (b) shows intermediate T1 signal around the basal turn of the left cochlea (thin arrow) and another separate focus of intermediate signal in the left pericochlear region (thick arrow). Contrast-enhanced axial T1W image (c) shows moderate post-contrast enhancement in bilateral FA regions (arrows) and mild enhancement around the basal turns of cochleae (dashed arrows). Contrast-enhanced axial T1W image at a lower level (d) shows mild enhancement around the basal turn of left cochlea (dashed arrow) and another focus of enhancement in the left pericochlear region (arrow). Subsequent axial HRCT images (e, f) confirm bilateral fenestral otosclerotic plaques (short white arrows) and pericochlear plaques (black long arrows)

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