Imaging & Radiology · Skeletal System · Hard
Scalloping
Meaning: Smooth, wavy erosion of a bone surface caused by pressure from an adjacent lesion.
In practice: Endosteal erosion over two-thirds of cortical thickness favours chondrosarcoma rather than enchondroma.
Quick check
Two questions on related imaging & radiology words.
Which word means: A dark area on an X-ray indicating structures blocking the beam.
Answer: Shadow
Which word means: An imaging study of a joint using contrast dye to highlight structures.
Answer: Arthrogram
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