Daily Bolus of LR: 5th metatarsal fractures

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June 7, 2011 by dailybolusoflr

The base of the 5th metatarsal has two main fractures that you will see.


Avulsion fractures or “pseudo-Jones” fractures

  • The most common
  • Is a fracture at the base or tuberosity
  • Typically is sudden onset of pain with inversion of the foot with the ankle plantar flexed (this flexed position also leads to the name “dancer’s fracture”)
  • Most are nondisplaced and can be treated with a walking case with weight bearing as tolerated


Jones fractures

  • Less common
  • Is a fracture within 1.5 cm of the tuberosity
  • Often described as  lateral force on the forefoot while the ankle is in plantar flexion (often a sports injury or stepping off a curb)
  • High rates of nonunion and ALL fractures should be treated as NON WEIGHT bearing and referred for follow up

You can see the locations here







Linda Regan, MD FACEP
Program Director, Emergency Medicine Residency
Johns Hopkins Medical Institutions




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