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Figure 9: Median nerve entrapment in the carpal tunnel. (a) TSE T2 W axial fat suppressed image showing hyperintensity in the median nerve (arrow) in the region of carpal tunnel; (b) ganglion cyst (arrowhead) present deep to the carpal tunnel. (c) SE T1 W image showing positive flattening ratio and (d) positive bowing ratio. (e) STIR coronal (thin) image showing altered signal intensity in the median nerve and (f) the ganglion cyst (arrowhead)

Figure 9: Median nerve entrapment in the carpal tunnel. (a) TSE T2 W axial fat suppressed image showing hyperintensity in the median nerve (arrow) in the region of carpal tunnel; (b) ganglion cyst (arrowhead) present deep to the carpal tunnel. (c) SE T1 W image showing positive flattening ratio and (d) positive bowing ratio. (e) STIR coronal (thin) image showing altered signal intensity in the median nerve and (f) the ganglion cyst (arrowhead)