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
- Lawrence DA, Rolen M, Morshed KA, Moukaddam H. MRI of heel pain. American Journal of Roentgenology 2013; 200:845-855
- 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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