Subchondral insufficiency fracture

Dr Henry Knipe and Dr Yuranga Weerakkody et al.

A subchondral insufficiency fracture refers to a type of stress fracture which occurs below the chondral surface on a weight-bearing surface of a bone.


They tend to occur when normal physiological forces are repeatedly applied to an area of bone.


Typical sites include

Radiographic features

  • T1: may be characteristically low signal intensity band through the affected region
  • T2: florid marrow edema

See also

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Article information

rID: 65145
Synonyms or Alternate Spellings:
  • Subchondral insufficiency fractures

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Cases and figures

  • Case 1: metatarsal head
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  • Case 2: knee
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  • Case 3: knee
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