What is a lymphocyte transformation test? The lymphocyte transformation test (LTT) is a special laboratory procedure. It detects antigen-specific T lymphocytes. The T-lymphocytes are white blood cells that the body needs for immune defence, i.e. to defend itself against foreign material, such as bacteria. Antigen-specific means that these T-lymphocytes can recognize a certain foreign protein, … Lymphocyte transformation test
Detection of allergies The main indication for a lymphocyte transformation test is the detection of allergies. Before the test is carried out, it must be determined for which allergies the patient wishes to be tested. Only allergies of the delayed type (type 4) are tested. Lymphocytes play an important role in this type of allergy. … Detection of allergies | Lymphocyte transformation test
Evaluation of a lymphocyte transformation test The evaluation is based on cell division. High cell division is more likely to indicate an allergic reaction. However, there are reference values for each case and controls are performed. For the evaluation or the correct interpretation of the test result, further clinical findings and allergy tests must be … Evaluation of a lymphocyte transformation test | Lymphocyte transformation test
Duration of a lymphocyte transformation test Blood collection is usually completed by trained personnel within a few minutes. In case of bad vein conditions it may take a little longer. The sample must be sent to the laboratory on the same day. There the lymphocyte transformation test begins. For this the laboratories need about five … Duration of a lymphocyte transformation test | Lymphocyte transformation test
