Diagnostic finding

Codmans triangle

A radiographic sign consisting of a triangular elevation of the periosteum caused by an aggressive underlying lesion.

Causes

  • Osteosarcoma

  • Ewing sarcoma

  • Chondrosarcoma

  • Bone metastasis

  • Malignant fibrous histiocytoma

  • Lymphoma

  • Leukemia

  • Osteomyelitis

  • Subperiosteal hemorrhage (due to trauma or coagulopathy)

Also known as: Codman triangle, Periosteal elevation

Referencing diagnoses

Note: Lists existing diagnoses in Diagnotize only.