Benign cortical defect: site for an avulsion fracture

R. Kumar, L. E. Swischuk, J. E. Madewell

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


A benign cortical defect in a bone may present itself as a weak site for muscle attachment resulting in an avulsion injury. Such a benign cortical detect may be mistaken for a malignant tumor when the avulsion injury excites irregular, laminated periosteal reaction. We report three patients in whom avulsion fractures occurred at the site of pre-existing benign cortical defects in the distal femur.

Original languageEnglish (US)
Pages (from-to)553-555
Number of pages3
JournalSkeletal radiology
Issue number7
StatePublished - Oct 1986
Externally publishedYes


  • Benign cortical defect
  • Bone tumor
  • Fracture, avulsion

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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