Air-tissue interface sign - breast

Last revised by Mohammad Taghi Niknejad on 13 Feb 2024

Air-tissue interface sign on mammography in cases where the mass is located on the skin helps to distinguish it from intra-mammary mass so that in the skin-based lesion, due to the presence of air in the vicinity of a part of the margin, its border is pretty sharp and a narrow lucent rim around the part of the lesion could be seen.

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