3T magnetic resonance imaging of ankle and hindfoot tendon pathology

Mark S. Collins, Joel P. Felmlee

Research output: Contribution to journalReview article

9 Scopus citations

Abstract

Ankle tendon pathology is relatively common in the active adult population. Magnetic resonance imaging is often the preferred advanced imaging option for the evaluation of tendon pathology of the hindfoot and ankle. The almost linear increase in signal-to-noise ratio provided by higher field strength imaging allows for improved image resolution and decreased scan times. Newer systems with faster gradients allow for optimal fast spin-echo imaging with lower echo spacing for longer echo train lengths and minimal image blurring. The ability to comfortably scan the ankle within the magnet isocenter using high-field strength-compatible extremity coils further maximizes the image resolution. It is imperative for the radiologist to be aware of necessary protocol adjustments and potential imaging artifacts unique to high-field strength imaging of the ankle. Our review outlines high-field strength magnetic resonance imaging technique and artifacts and also details the specifics of our own methods of ankle imaging.

Original languageEnglish (US)
Pages (from-to)175-188
Number of pages14
JournalTopics in Magnetic Resonance Imaging
Volume20
Issue number3
DOIs
StatePublished - Jun 1 2009

Keywords

  • 3T MRI
  • Ankle tendon
  • Foot

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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