Kveim test

noun

ˈkvām- 

: an intradermal test for sarcoidosis used especially formerly in which an antigen prepared from the lymph nodes or spleen of human sarcoidosis patients is injected intracutaneously and which is positive when an infiltrated area, papule, nodule, or superficial necrosis appears around the site of injection or a skin biopsy yields typical tubercles and giant cell formations upon histological examination