The leishmanin skin test (LST), also called Montenegro test, is an
immunologic
Immunology is a branch of medicineImmunology for Medical Students, Roderick Nairn, Matthew Helbert, Mosby, 2007 and biology that covers the medical study of immune systems in humans, animals, plants and sapient species. In such we can see there ...
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
* Patch t ...
that measures delayed-type
hypersensitivity
Hypersensitivity (also called hypersensitivity reaction or intolerance) refers to undesirable reactions produced by the normal immune system, including allergies and autoimmunity. They are usually referred to as an over-reaction of the immune s ...
to
Leishmania
''Leishmania'' is a parasitic protozoan, a single-celled organism of the genus '' Leishmania'' that are responsible for the disease leishmaniasis. They are spread by sandflies of the genus ''Phlebotomus'' in the Old World, and of the genus '' ...
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 single-celled parasite that is transmitted by the bite of a phlebotomine sand fly. There are about thirty species of ''Leishm ...
.
It was first described by Brazilian physician João Montenegro in 1926.
References
{{reflist
Skin tests
Leishmaniasis