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Insights into Imaging
Fig. 5 | Insights into Imaging

Fig. 5

From: Can imaging be the new yardstick for diagnosing peripheral neuropathy?—a comparison between high resolution ultrasound and MR neurography with an approach to diagnosis

Fig. 5

a Longitudinal scan over the radial head shows the PIN (between arrowheads) coursing over the radial head and passing through the radial tunnel. The nerve is hypoechoic and thickened just before passing through the arcade of Frohse in a patient with radial tunnel syndrome. b PD FS axial image shows hyperintense PIN with bulbous swelling just before it pierces the arcade of Frohse, lying between the distal edge of ECRL and superficial supinator. c T1-weighted axial image shows the course of the PIN soon after its division from the radial nerve passing between the ECRL and supinator. The diagnosis of radial tunnel syndrome was confirmed in this patient by giving ultrasound-guided PIN block [22]

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