The blood t-spot test is not always positive.
The blood T-SPOT test is called a tuberculin test, and is usually used to determine the presence or absence of Mycobacterium tuberculosis infection.
1. A positive T-SPOT result indicates the presence of Mycobacterium tuberculosis in the patient’s body, which means that the patient has been infected with tuberculosis or is in the stage of tuberculosis infection.
2. Negative T-SPOT results mostly suggest that there is no Mycobacterium tuberculosis in the body, i.e. no tuberculosis infection. If the patient’s immunity is low, such as the patient’s tumor or AIDS, etc., it is not excluded that there is a possibility of false-negative results.
T-SPOT results can not diagnose the presence or absence of tuberculosis infection alone, but should be evaluated according to the patient’s clinical symptoms and imaging manifestations under the guidance of a physician.