Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Autoimmune lymphoproliferative syndrome laboratory findings
Introduction
Overview
Overview
An elevated concentration of serum double negative α/β T cells comprising more than 1.5% of the total lymphocytes or at least 2.5% of total T cells along with chronic lymphadenopathy or splenomegaly for more than 6 months are the two required testing for clinical diagnosis of Autoimmune lymphoproliferative syndrome which leads to ancillary testing. Confirmatory testing for ALPS is the testing for the ALPS-related mutations or functional testing of patient T cells are requires according to the 2010 guidelines.
Laboratory Findings
Laboratory Findings
- Co-expression of CD45RA,CD57,CD27,CD28, perforin, and HLA-DR in the DNT cells but lacking CD45R0 and CD56
- Cytopenia
- Positive Coombs’ test
- Increased soluble FAS ligand (FasL)
- High vitamin B12
- Hypergammaglobulinemia ( increased IgG, IgA,or IgM)
References
References
- ↑ Oliveira, Joao B.; Bleesing, Jack J.; Dianzani, Umberto; Fleisher, Thomas A.; Jaffe, Elaine S.; Lenardo, Michael J.; Rieux-Laucat, Frederic; Siegel, Richard M.; Su, Helen C.; Teachey, David T.; Rao, V. Koneti (2010). “Revised diagnostic criteria and classification for the autoimmune lymphoproliferative syndrome (ALPS): report from the 2009 NIH International Workshop”. Blood. 116 (14): e35–e40. doi:10.1182/blood-2010-04-280347. ISSN 0006-4971.
- ↑ Li, Pu; Huang, Ping; Yang, Ye; Hao, Mu; Peng, Hongwei; Li, Fei (2015). “Updated Understanding of Autoimmune Lymphoproliferative Syndrome (ALPS)”. Clinical Reviews in Allergy & Immunology. 50 (1): 55–63. doi:10.1007/s12016-015-8466-y. ISSN 1080-0549.
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] David Teachey, MD [2] Associate Editor(s)-in-Chief: Sharmi Biswas, M.B.B.S