Presentation
-Finger tips numbness

Examination:
-wasting of thenar muscles
-reduced sensation at Median n. distribution
-Phalen sign positive
-Tinel sign positive
-intact sensation over the thenar eminence
-Benediction sign positive. (severe case)
-Normal forearm muscles.

Rule out
-Ulnar n palsy
-Radial n palsy

common Qs:
1.What is CTS
-Entrapment sd ofMedian n within carpal tunnel./palmar flexor aponeurosis.

2.Causes of CTS:
-tenosynovitis
-tumor (lipoma, ganglion)
-pregnancy
-acromegaly.
-DM

3.Diagnosis?
-Nerve conduction study .Findings suggest delayed nerve conduction.

4.Treatment?
-conservative - NSAIDs, cock up splint.
-surgery - carpal tunnel release.

5.Types of nerve injury? Elaborate.
-neuropraxia
-neurotemesis
-axonotmesis

6.What isWallerian degeneration?
-degeneration of nerve following injury characterised by nerve degeneration of nerve distally to
the end & proximally to the nearest node of Ranvier.

Labels: Short cases in orthopaedics