The Mantoux test is very widely used test for tuberculosis. Its interpretation however complex. It is also called tuberculin test.
Tuberculin is a glycerol extract of the tubercle bacillus. Purified protein derivative (PPD) tuberculin is a precipitate of non-species-specific molecules obtained from filtrates of sterilized, concentrated cultures.
The test is named after Charles Mantoux, a French physician who developed on the work of Koch.
Procedure
A standard dose of 5 Tuberculin units (0.1 mL) is injected intradermally and read 48 to 72 hours later. A person who has been exposed to the bacteria is expected to mount an immune response in the skin containing the bacterial proteins. [Read more...]





Before proceeding to examination in any joint pathology, it is important to take a good history of the illness. It begins with questions like when did it begin, where is the pain or is there any swelling. History of trauma, tuberculosis, typhoid, exposure to venereal disease is important.