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Chapter
6: The Hand and Wrist
David
Stoller, MD |
6.1 - Introduction
MRI
of the wrist provides the high spatial and contrast
resolution of soft-tissue and osseous components needed
for evaluation of the small and complex anatomy of the
wrist and hand. Supporting muscles, ligaments, tendons,
tendon sheaths, vessels, nerves and marrow are demonstrated
on MR images with excellent spatial resolution using
small FOVs (4-8 cm) and advanced wrist coil designs.
MR imaging has the potential to replace conventional
wrist arthrography in diagnosing tears involving the
intercarpal ligaments and TFCC (Triangular Fibrocartilage
Complex) by allowing a direct correlation of abnormalities
in ligamentous and fibrocartilage morphology with the
clinical presentations of pain.
MR imaging is currently used for evaluation of ligamentous
pathology, trauma (i.e. fracture), avascular necrosis
(AVN) and Kienbock's disease (KD), as well as for abnormalities
of the TFCC and carpal tunnel and the assessment of
chondral surfaces. |
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