CD4/CD8 coexpression

CD4/CD8 coexpression

Hematology The expression on the surface of a T cell of both CD4–the 'helper' T cell antigen and CD8–the 'supressor' T cell antigen; it is common in Crohn's disease, myasthenia gravis, rheumatoid arthritis, lymphoproliferative disorders–eg, AML, B-cell lymphoma. See CD4, CD8.