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Fig. 6A —47-year-old female ice cream shop worker with dorsal wrist
and thumb pain and surgically confirmed communicating tenosynovitis.
Sequential axial proton density–weighted fat-suppressed MR images
(TR/TEeff, 2,300/30) show thick peritendinous edema in extensor
carpi radialis brevis (short arrow, A) and longus
(long arrow, A) tendons and in crossing extensor
pollicis longus (arrowhead) tendon. Foramen is not evident.