Index of lymphocytes based on lineage
From www.haematologyetc.co.uk
1. Normal or reactive lymphocyte forms

Normal lymphocytes vary in appearance quite considerably based on lineage or activation state.
This section considers the following groups:
- Normal B cells, T cells and NK cells
- Reactive B and T cells
- Polyclonal B lymphocytosis
2. Mature B lymphoproliferative disorders

The B-lymphovyte lymphoprolifereative disorders encompass a range of morphological forms.
This section considers the following groups:
- Chronic lymphocytic leukaemia
- B-prolymphocytic leukaemia
- Hairy cell leukaemia
- Hairy cell leukaemia variant
- Marginal zone lymphoma
- Follicular lymphoma
- Mantle cell lymphoma
- Lymphoplasmacytoid lymphoma
- Plasma cell leukaemia
3. Mature T cell and NK cell disorders

- Adult T cell leukaemia/lymphoma
- Sézary cells
- LGL disorders
- T-PLL small cell variant
- T-PLL