What does "Extrinsic narrowing" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
Extrinsic narrowing in medicine refers to a situation where something outside of a tube-like structure in the body is pressing on it, causing it to become narrower. This can happen in various parts of the body, such as the airways, blood vessels, or intestines. The pressure from the outside can be due to various reasons like a tumor, inflammation, or injury. This narrowing can disrupt the normal flow of air, blood, or other substances through these structures.
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