American Journal of Roentgenology, Vol 161, 831-836, Copyright © 1993 by American Roentgen Ray Society

ARTICLES

Reformatted three-dimensional Fourier transform gradient-recalled echo MR imaging of the ankle: spectrum of normal and abnormal findings

MA Klein
Department of Radiology, Medical College of Wisconsin, Milwaukee 53226.

MR imaging is the imaging technique of choice for evaluating ankle tendons and ligaments. Although reformation of three-dimensional Fourier transform (3DFT) gradient-recalled echo (GRE) MR images on an independent console has been evaluated in other joints, little attention has been given to use of this technique for evaluation of the ankle. In this essay, we illustrate the spectrum of normal appearances of the posterior tibial tendon (PTT), flexor digitorum longus tendon, flexor hallucis longus tendon, and plantar calcaneonavicular ligament (PCNL) on 3DFT GRE images. Also, we describe the advantages of evaluating these structures with 3DFT GRE vs spin-echo (SE) MR images, demonstrate the spectrum of abnormal findings seen in these structures on 3DFT GRE MR images in a large clinical series, and show the relationship of the accessory navicular bone to PTT abnormalities.
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