Apple core sign (femur)

The apple core sign has been used to describe the circumferential erosion of the femoral neck seen in synovial chondromatosis. Although this is the most common process that may lead to an apple core erosion of the femoral neck, this has also been observed with:

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Article information

rID: 21966
Section: Signs
Tags: cases, refs
Synonyms or Alternate Spellings:
  • Apple core sign of the femur

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Cases and figures

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    Figure 1: apple core
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    Case 1
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