IL17A and B-cell chronic lymphocytic leukemia: The finding of IL17 producing non-T-cells in tissue sections is consistent with a previous report of inflammatory brain lesions in dogs, where most of the IL17+ cells were CD3-.[32] This has also been described in human patients with oral inflammation,[53] chronic lymphocytic leukemia[54] and in normal[55] and post Salmonella typhimurium infection of non-human primate intestinal tissues (Satya Dandekar, unpublished data).