In this test, a standardized solution made with purified protein derivative (PPD), which is derived from tuberculin, is injected under the skin. Typically, PPD produces a T-cell mediated delayed-type hypersensitivity reaction if the person has been infected with TB bacteria.

2025年2月26日 · TB is diagnosed by a skin test, known as the PPD test, which involves injecting a small amount of purified protein derivative (PPD) into the skin. The test measures the body's immune response to tuberculin or PPD.

2018年9月17日 · A purified protein derivative (PPD) skin test is a test that determines if you have tuberculosis (TB). TB is a serious infection, usually of the lungs, caused by the...

2025年1月31日 · Most people can get a TB skin test. This includes: People who had a negative TB skin test or an undocumented TB skin test. You should not get a TB skin test if you have had a severe reaction, such as a severe allergic reaction, in the past. Talk to your health care provider about the TB blood test.

Purified protein derivative (PPD) tuberculin is a precipitate of species-nonspecific molecules obtained from filtrates of sterilized, concentrated cultures. The tuberculin reaction was first described by Robert Koch in 1890. The test was first developed and described by the German physician Felix Mendel in 1908. [2] .

结核菌素试验（也称为芒图试验、ppd试验）是一种诊断结核的工具。 它是世界上两个主要结核菌素皮肤试验之一，在很大程度上取代了多种穿刺试验，如 蒂内测试 （ Tine test ）。

2023年12月31日 · The PPD skin test is a method used to diagnose silent (latent) tuberculosis (TB) infection. PPD stands for purified protein derivative. You will need two visits to your health care provider's office for this test. At the first visit, the provider will clean an area of your skin, usually the inside of your forearm.

The PPD skin test, also known as the tuberculin skin test, is a diagnostic tool used to determine if someone has been exposed to the bacteria that cause tuberculosis (TB). This test involves the intradermal injection of purified protein derivative (PPD) into the skin.

Also known as the Mantoux test or tuberculin skin test, it is frequently employed in both primary care and public health settings. This article provides an in-depth look at the PPD test, detailing its purpose, procedure, and significance in tuberculosis testing and prevention.

2023年4月23日 · The PPD skin test or the IGRA may be used to diagnose TB, without preference for either. In 2021, the National Tuberculosis Controllers Association (NTCA) released its guidance for screening, diagnosing, and treating TB infection.