“ Most cases are idiopathic; also associated with diabetes, hypothyroidism, pregnancy, etc. US • C ross-sectional area of the median nerve...
“
Most cases are idiopathic; also associated with diabetes, hypothyroidism, pregnancy, etc.
US
• Cross-sectional area of the median nerve >15 mm2
MRI
• The most specific sign is an abrupt change in the diameter of the median nerve.
• Increased signal intensity of the median nerve on T2.
• Median nerve enhances with gadolinium.
• Compression and flattening of the median nerve.
• Vblar bowing of the flexor retinaculum.
• Pseudoneuroma of the median nerve.
”
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