The leishmanin skin test (LST), also called Montenegro test, is an
immunologic
Immunology is a branch of biology and medicine that covers the study of immune systems in all organisms.
Immunology charts, measures, and contextualizes the physiological functioning of the immune system in states of both health and diseases; ...
skin test
A skin test is a medical test in which a substance is injected into the skin.
Examples
* Casoni test
* Corneometry
* Dick test
* Fernandez reaction
* Frei test
* Hair perforation test
* Kveim test
* Leishmanin skin test
* Lepromin
* Pat ...
that measures delayed-type
hypersensitivity
Hypersensitivity (also called hypersensitivity reaction or intolerance) is an abnormal physiological condition in which there is an undesirable and adverse immune response to an antigen. It is an abnormality in the immune system that causes Imm ...
to
Leishmania
''Leishmania'' () is a genus of parasitic protozoans, single-celled eukaryotic organisms of the trypanosomatid group that are responsible for the disease leishmaniasis. The parasites are transmitted by sandflies of the genus '' Phlebotomus'' ...
antigen. It can be used for diagnosis of
cutaneous leishmaniasis
Cutaneous leishmaniasis is the most common form of leishmaniasis affecting humans. It is a skin infection caused by a Trypanosomatid, single-celled parasite that is Vector (epidemiology), transmitted by the bite of a Phlebotominae, phlebotomine s ...
.
It was first described by Brazilian physician João Montenegro in 1926.
References
{{Dermatology-stub
Skin tests
Leishmaniasis