Margin

Margin (anatomy) is a term used in anatomy to refer to the edge or border of a structure. It is often used to describe the boundaries of organs, tissues, and other anatomical structures.

Overview

In anatomy, the term "margin" is used to describe the edge or border of a structure. This can refer to the edge of an organ, the boundary of a tissue, or the border of a specific anatomical structure. The term is often used in the context of surgical procedures, where the margin of a tumor or other abnormal growth may be of critical importance in determining the success of the procedure and the patient's prognosis.

Importance in Surgery

In surgical procedures, the margin of a tumor or other abnormal growth is often of critical importance. A "clean" or "clear" margin, where no trace of the abnormal growth is found at the edge of the removed tissue, is typically the goal of surgery. This is because a clean margin indicates that all of the abnormal growth has been removed, which can reduce the risk of recurrence.

In contrast, a "positive" or "involved" margin, where traces of the abnormal growth are found at the edge of the removed tissue, can indicate that some of the growth remains in the body. This can increase the risk of recurrence and may require further treatment, such as additional surgery or radiation therapy.

See also

• Anatomy
• Surgery
• Tumor
• Radiation therapy

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