bone window
Modality: CT (bone window)

- “ Subchondral cysts in the superior outer and middle third of the femoral head (pressure zone) may arise from bone contusion and synovial intrusion ...”

Used in the following article:

  • Solitary well defined osteolytic lesion (differential) - “ Well defined solitary osteolytic lesions can be seen with following conditions 1-2: subchondral geodes or cysts intraosseous ganglion intraosse...”
  • Geode - “ Geodes, also known as a subchondral cysts, are well-defined lytic lesions at the periarticular surfaces. A geode is one of the common differential...”

View full size version of Subchondral cyst (geode) of the femoral head

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