Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed
Etiology/Pathophysiology:
Are benign lesions located in the cortex. Initially are close to the
physis but end up in diaphysis with growth. Etiology is unsettled.
Are obliterated over time. Distal femur and proximal tibia are most
common sites. Can be multiple and bilateral. Found in 40% of boys and
30% of girls, peak at 5-6 years old, and rare before 18 months.
Pathology:
Not applicable
Imaging Findings:
Classically are well marginated, mulitlobulated oval lucency with
slightly sclerotic margins in the cortex.
DDX:
References:
See References Chapter.
See related Provider Topics Bone Cancer, Bones, Joints and Muscles or Cancers.
See related Patient Topics Bones, Joints and Muscles or Cancers.
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