What's the point of having a biopsy needle?

First, a biopsy can determine whether a lesion is benign or malignant.

For example, about 2% of the gastric ulcer may be evil change, ulcer evil change is a slow process, obviously has not been formed in the early malignant change lump typical characteristics, such as often only ulcer edge lining color of slight change, if this time around the ulcer gastric mucosa pathological examination, can the early gastric progression of early detection to the naked eye can not be sure.

Another condition is polyps in the digestive tract.

Digestive tract polyps are generally divided into two types: hyperplastic polyps and adenomatous polyps. Hyperplastic polyps are formed by chronic inflammatory stimuli, often multiple, small in size, smooth in surface, and low in the probability of malignant transformation.

However, adenomatous polyps generally have large volume, rough surface and irregular shape, and the probability of malignant transformation is relatively high. The larger the diameter of such polyps, the higher the possibility of malignant transformation.

Generally considered less than 1 cm, the rate of malignant change is about 1.3%; Larger than 2 cm, the rate of malignant change can be up to 50%.

How to distinguish the nature of gastrointestinal polyps, judge whether it has malignant changes, this also depends on our biopsy to carry out.

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