abnormal CD8-positive, alpha-beta T cell differentiation
abnormal double-negative T cell morphology +
abnormal double-positive T cell morphology +
abnormal gamma-delta T cell differentiation
abnormal T cell receptor V(D)J recombination +
any anomaly in the process by which T cell receptor V, D, and J, or V and J gene segments, depending on the specific locus, are recombined within a single locus