Sandbox: Bone DDx: Difference between revisions

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* Painless, firm, swelling located at the anterior tibia
* Painless, firm, swelling located at the anterior tibia
* Bowed anterior bowing of the tibia
* Bowed anterior bowing of the tibia
* Well-circumscribed lesion
* Intracortical osteolysis
* Sclerotic band (osteoblastic rimming)
* Cortical expansion
* Homogeneous lesion matrix
* Fibrous proliferation of polyhedral, round, or spindle cells
* Calcifications
* Myxamatous matrix
* Psammomatoid growth patterns

Revision as of 16:01, 24 November 2015

  • 1-5 yo children
  • Asymptomatic
  • Minority of cases bone pain, swelling, and pathological fractures
  • Painless, firm, swelling located at the anterior tibia
  • Bowed anterior bowing of the tibia


  • Well-circumscribed lesion
  • Intracortical osteolysis
  • Sclerotic band (osteoblastic rimming)
  • Cortical expansion
  • Homogeneous lesion matrix


  • Fibrous proliferation of polyhedral, round, or spindle cells
  • Calcifications
  • Myxamatous matrix
  • Psammomatoid growth patterns