What does a positive PAS stain in gastroscopy mean?
Oct 14, 2022
Source: Cainiu Health
Dr. Zhao Haiming
Introduction
PAS is a special staining technique commonly used in pathological diagnosis and differential diagnosis. A positive PAS result during gastroscopy suggests a higher likelihood of cancer in the patient, but a positive PAS may also be caused by other conditions such as chronic gastritis. Therefore, to confirm the diagnosis, further examination such as a barium meal study is needed, which can help diagnose early gastric cancer.
A positive PAS result in a gastroscopic examination suggests a higher likelihood that the patient may have cancer, but it is not definitive. Further tests are required to confirm the diagnosis.
PAS (Periodic Acid-Schiff) is a special staining technique commonly used in pathological diagnosis and differential diagnosis. A positive PAS result during gastroscopy indicates an increased probability of cancer; however, other conditions such as chronic gastritis can also lead to a positive PAS result. Therefore, to achieve a more accurate diagnosis, patients should visit a正规 hospital for further evaluation, such as a barium meal examination, which helps detect early-stage gastric cancer. After undergoing these two types of examinations, if cancer is confirmed, timely treatment measures should be initiated.
Cancer is a serious disease because cancer cells tend to spread rapidly. Without prompt treatment, it can become life-threatening. Therefore, once gastric cancer is diagnosed, timely surgical intervention is necessary to remove the lesion, along with adjuvant therapies such as targeted therapy, radiotherapy, or chemotherapy to eliminate cancer cells.
