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Fig. 12 | Insights into Imaging

Fig. 12

From: Nerve entrapment syndromes of the upper limb: a pictorial review

Fig. 12

Features and management of carpal tunnel syndrome on ultrasound are illustrated. a, b: 35-year-old female with carpal tunnel syndrome. The typical ultrasound appearance for neuropathy includes hypoechoic enlargement and nerve swelling (a, white arrow). There is an incidental variant of the recurrent branch of the median nerve that pierces the transverse carpal ligament (b, white arrow). c: Perineural cortisone injection of the median nerve under ultrasound guidance is shown. The needle (blue arrow) is positioned superficial and to the right side of the nerve (white arrow), with injectate encircling the nerve

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