Bone marrow edema

Bone marrow edema is the term given to abnormal fluid signal seen within the bone marrow on MRI. It is a non-specific, yet important finding usually indicating the presence of an underlying pathology.



There is a long (long) list of possible causes of this finding:

Radiographic features


Bone marrow edema is generally primarily identified on MRI. 

There will be intermediate T1 signal, with high T2 signal in the fat of the bone marrow (usually fat-suppressed sequences required to see the increased T2 signal).

However other imaging modalities may then have a role in investigating the underlying cause.

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Article information

rID: 62224
Section: Signs
Synonyms or Alternate Spellings:
  • Marrow edema
  • Marrow oedema
  • Bone marrow edema

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