Imaging & Radiology · Radiology · Medium
Opacity
Meaning: A white area on imaging representing increased tissue density.
In practice: A lung opacity on chest X-ray suggests fluid, infection or tumour.
Quick check
Two questions on related imaging & radiology words.
Which word means: Blood accumulated in the pleural space, appearing as opacity on chest X-ray.
Answer: Haemothorax
Which word means: Describing a lesion that balloons the outline of a bone, usually thinning the cortex.
Answer: Expansile
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