Plantar Fasciitis

  • Plantar fasciitis is a common overuse injury of the plantar aponeurosis at the origin of the central cord at the medial calcaneal tuberosityCauses may include weight-bearing activities, obesity, improper shoes, and foot deformities
  • Symptoms are usually self-limited
  • The normal plantar fascia is thin and demonstrates low signal intensity on MRI
  • In plantar fasciitis, MRI shows fascial thickening (>3mm), T2 intrafascial/perifascial edema, and T1 increased intrafascial signal; marrow edema may be seen in the calcaneal tuberosity
  • The presence or absence of a plantar calcaneal enthesophyte is not relevant
  • Fascial thickening is usually fusiform as opposed to the focal nodular fascial thickening seen with plantar fibromatosis
  1. Lawrence DA, Rolen M, Morshed KA, Moukaddam H. MRI of heel pain. American Journal of Roentgenology 2013; 200:845-855
  2. Chang CD, Wu JS. MR imaging findings in heel pain. Magn Reson Imaging Clin N Am 2017; 25(1):79-93

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