Autoimmune lymphoproliferative syndrome overview
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] David Teachey, MD [2]
Overview
Autoimmune lymphoproliferative syndrome is a form of lymphoproliferative disorder. It affects lymphocyte apoptosis. Autoimmune lymphoproliferative syndrome (ALPS) is a rare disorder of abnormal lymphocyte survival caused defective Fas mediated apoptosis. ALPS was first reported in 1967 by Canale and Smith; thus it was named initially as Canale and Smith syndrome. According to the 2010 revised guidelines, now ALPS is defined by the presence of chronic, non-malignant, and non-infectious lymphadenopathy along with autoimmune cytopenias. ALPS was first explained in 1990 in a cohort of patients with chronic lymphoproliferation and increased numbers of double-negative T cells (DNTs).