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Review Question - QID 551

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QID 551 (Type "551" in App Search)
The median nerve lies immediately ulnar to which of the following structures at the level of the distal radioulnar joint?

Flexor carpi radialis

76%

2568/3380

Flexor carpi ulnaris

2%

69/3380

Radial artery

4%

151/3380

Flexor digitorum profundus

16%

524/3380

Pronator teres

1%

38/3380

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The median nerve sits immediately ulnar to the flexor carpi radialis (FCR). This anatomic relationship is demonstrated by the fact that a median nerve injury is most likely to be associated with a deep laceration of flexor carpi radialis (FCR) at the level of the wrist. Additionally, the risk associated in dissecting between the flexor carpi radialis and palmaris longus is injury to palmar cutaneous branch of the median nerve.

Illustration A shows the relative position of the median nerve to FCR at the level of the pronator quadratus on cross section anatomy.
Illustration B shows a cross-sectional MRI at the level of the wrist.

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