Skin Testing for Cellular Immunity
- The most common method for monitoring development and maintenance of
cellular immunity is skin testing, an example of TYPE IV hypersensitivity.
- When certain antigens (e.g. Tuberculin) are injected intradermally into a
sensitized individual, an inflammatory reaction takes place and reaches a its
peak after 24-48 hours. The reaction consists mainly of erythma and induration.
- This positive reaction to Tuberculin indicates a present of past exposure to
Mycobacteria tuberculosis.
- The card in the photograph is used by the patient to determine his/her
reaction to the TINE test.
Instructions: Feel the skin where the test was given between 48 and 72 hours
after testing. Mark an X in the circle of the box below in which the raised bumps
feel most like those on your skin.
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![Copyright
1995](labcopy.gif)
Comments to MIPmaster: hthomp@lsumc.edu
Revised: August 1, 1996
URL:http://www.lsumc.edu/campus/micr/mif.htm
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