Imaging & Radiology · Radiology · Medium
Erosion
Meaning: Loss of bone or tissue substance visible as a cortical break or defect on imaging.
In practice: Bony erosions around joint margins on X-ray are a hallmark of rheumatoid arthritis.
Quick check
Two questions on related imaging & radiology words.
Which word means: Relating to the angle where the diaphragm meets the chest wall on a chest radiograph.
Answer: Costophrenic
Which word means: A dark area on an X-ray indicating structures blocking the beam.
Answer: Shadow
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