Myeloid proliferations and neoplasms (Overview Page Link)
Myeloid precursor lesions
Clonal Haematopoiesis
- Clonal haematopoiesis
- Clonal cytopenias of undetermined significance
Myeloproliferative neoplasms
Myeloproliferative neoplasms
- Chronic myeloid leukaemia
- Chronic neutrophilic leukaemia
- Chronic eosinophilic leukaemia
- Polycythaemia vera
- Essential thrombocythaemia
- Primary myelofibrosis
- Juvenile myelomonocytic leukaemia
- Myeloproliferative neoplasm, NOS
Mastocytosis
- Cutaneous mastocytosis
- Systemic mastocytosis
- Mast cell sarcoma
Myelodysplastic neoplasms
Myelodysplastic neoplasms, with defining genetic abnormalities
- Myelodysplastic neoplasm with low blasts and 5q deletion
- Myelodysplastic neoplasm with low blasts and SF3B1 mutation
- Myelodysplastic neoplasm with biallelic TP53 inactivation
Myelodysplastic neoplasms, morphologically defined
- Myelodysplastic neoplasm with low blasts
- Myelodysplastic neoplasm, hypoplastic
- Myelodysplastic neoplasm with increased blasts
Myelodysplastic neoplasms of childhood
- Childhood myelodysplastic neoplasm with low blasts
- Childhood myelodysplastic neoplasm with increased blasts
Myelodysplastic/myeloproliferative neoplasms
- Chronic myelomonocytic leukaemia
- Myelodysplastic/myeloproliferative neoplasm with neutrophilia
- Myelodysplastic/myeloproliferative neoplasm with SF3B1 mutation and thrombocytosis
- Myelodysplastic/myeloproliferative neoplasm, NOS
Acute myeloid leukaemia
Acute myeloid leukaemia with defining genetic abnormalities
- Acute promyelocytic leukaemia with PML::RARA fusion
- Acute myeloid leukaemia with RUNX1::RUNX1T1 fusion
- Acute myeloid leukaemia with CBFB::MYH11 fusion
- Acute myeloid leukaemia with DEK::NUP214 fusion
- Acute myeloid leukaemia with RBM15::MRTFA fusion
- Acute myeloid leukaemia with BCR::ABL1 fusion
- Acute myeloid leukaemia with KMT2A rearrangement
- Acute myeloid leukaemia with MECOM rearrangement
- Acute myeloid leukaemia with NUP98 rearrangement
- Acute myeloid leukaemia with NPM1 mutation
- Acute myeloid leukaemia with CEBPA mutation
- Acute myeloid leukaemia, myelodysplasia-related
- Acute myeloid leukaemia with other defined genetic alterations
Acute myeloid leukaemia, defined by differentiation
- Acute myeloid leukaemia with minimal differentiation
- Acute myeloid leukaemia without maturation
- Acute myeloid leukaemia with maturation
- Acute basophilic leukaemia
- Acute myelomonocytic leukaemia
- Acute monocytic leukaemia
- Acute erythroid leukaemia
- Acute megakaryoblastic leukaemia
Myeloid sarcoma
- Myeloid sarcoma
Myeloid neoplasms, secondary
Myeloid neoplasms and proliferations associated with antecedent or predisposing conditions
- Myeloid neoplasm post cytotoxic therapy
- Myeloid neoplasms associated with germline predisposition
- Myeloid proliferations associated with Down syndrome
Myeloid/lymphoid neoplasms
Myeloid/lymphoid neoplasms with eosinophilia and defining gene rearrangement
- Myeloid/lymphoid neoplasm with PDGFRA rearrangement
- Myeloid/lymphoid neoplasm with PDGFRB rearrangement
- Myeloid/lymphoid neoplasm with FGFR1 rearrangement
- Myeloid/lymphoid neoplasm with JAK2 rearrangement
- Myeloid/lymphoid neoplasm with FLT3 rearrangement
- Myeloid/lymphoid neoplasm with ETV6::ABL1 fusion
- Myeloid/lymphoid neoplasms with other tyrosine kinase fusion genes
Acute leukaemias of mixed or ambiguous lineage
Acute leukaemia of ambiguous lineage with defining genetic abnormalities
- Mixed-phenotype acute leukaemia with BCR::ABL1 fusion
- Mixed-phenotype acute leukaemia with KMT2A rearrangement
- Acute leukaemia of ambiguous lineage with other defined genetic alterations
Acute leukaemia of ambiguous lineage, immunophenotypically defined
- Mixed-phenotype acute leukaemia, B/myeloid
- Mixed-phenotype acute leukaemia, T/myeloid
- Mixed-phenotype acute leukaemia, rare types
- Acute leukaemia of ambiguous lineage, NOS
- Acute undifferentiated leukaemia
Histiocytic/Dendritic cell neoplasms (Overview Page Link)
Plasmacytoid dendritic cell neoplasms
Plasmacytoid dendritic cell neoplasms
- Mature plasmacytoid dendritic cell proliferation associated with myeloid neoplasm
- Blastic plasmacytoid dendritic cell neoplasm
Langerhans cell and other dendritic cell neoplasms
Langerhans cells neoplasms
- Langerhans cell histiocytosis
- Langerhans cell sarcoma
Other dendritic cell neoplasms
- Indeterminate dendritic cell tumour
- Interdigitating dendritic cell sarcoma
Histiocyte/macrophage neoplasms
Histiocytic neoplasms
- Juvenile xanthogranuloma
- Erdheim-Chester disease
- Rosai-Dorfman Disease
- ALK-positive histiocytosis
- Histiocytic sarcoma
B-cell lymphoid proliferations and lymphomas (Overview Page Link)
Tumour like lesions with B-cell predominance
- Reactive B-cell rich lymphoid proliferations that can mimic lymphoma
- IgG4-related disease
- Unicentric Castleman disease
- Idiopathic multicentric Castleman disease
- KSHV/HHV8-associated multicentric Castleman disease
Precursor B-cell neoplasms
B-lymphoblastic leukaemias/lymphomas
- B-lymphoblastic leukaemia/lymphoma
- B-lymphoblastic leukaemia/lymphoma with high hyperdiploidy
- B-lymphoblastic leukaemia/lymphoma with hypodiploidy
- B-lymphoblastic leukaemia/lymphoma with iAMP21
- B-lymphoblastic leukaemia/lymphoma with BCR::ABL1 fusion
- B-lymphoblastic leukaemia/lymphoma with BCR::ABL1-like features
- B lymphoblastic leukaemia/lymphoma with KMT2A rearrangement
- B lymphoblastic leukaemia/lymphoma with ETV6::RUNX1 fusion
- B-lymphoblastic leukaemia/lymphoma with ETV6::RUNX1-like features
- B lymphoblastic leukaemia/lymphoma with TCF3::PBX1 fusion
- B lymphoblastic leukaemia/lymphoma with IGH::IL3 fusion
- B lymphoblastic leukaemia/lymphoma with TCF3::HLF fusion
- B-lymphoblastic leukaemia/lymphoma with other defined genetic alterations
- B-lymphoblastic leukaemia/lymphoma, NOS
Mature B-cell neoplasms
Pre-neoplastic and neoplastic small lymphocytic proliferations
- Monoclonal B-cell lymphocytosis
- Chronic lymphocytic leukaemia/small lymphocytic lymphoma
Splenic B-cell lymphomas and leukaemias
- Hairy cell leukaemia
- Splenic marginal zone lymphoma
- Splenic diffuse red pulp small B-cell lymphoma
- Splenic B-cell lymphoma/leukaemia with prominent nucleoli
Lymphoplasmacytic lymphoma
- Lymphoplasmacytic lymphoma
Marginal zone lymphoma
- Extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue
- Primary cutaneous marginal zone lymphoma
- Nodal marginal zone lymphoma
- Paediatric nodal marginal zone lymphoma
Follicular lymphoma
- In situ follicular B-cell neoplasm
- Follicular lymphoma
- Paediatric-type follicular lymphoma
- Duodenal-type follicular lymphoma
Cutaneous follicle centre lymphoma
- Primary cutaneous follicle centre lymphoma
Mantle cell lymphoma
- In situ mantle cell neoplasm
- Mantle cell lymphoma
- Leukaemic non-nodal mantle cell lymphoma
Transformations of indolent B-cell lymphomas
- Transformations of indolent B-cell lymphomas
Large B-cell lymphomas
- Diffuse large B-cell lymphoma, NOS
- T-cell/histiocyte-rich large B-cell lymphoma
- Diffuse large B-cell lymphoma / high grade B-cell lymphoma with MYC and BCL2 rearrangements
- ALK-positive large B-cell lymphoma
- Large B-cell lymphoma with IRF4 rearrangement
- High grade B-cell lymphoma with 11q aberrations
- Lymphomatoid granulomatosis
- EBV-positive diffuse large B-cell lymphoma
- Diffuse large B-cell lymphoma associated with chronic inflammation
- Fibrin-associated large B-cell lymphoma
- Fluid overload-associated large B-cell lymphoma
- Plasmablastic lymphoma
- Primary large B-cell lymphoma of immune-privileged sites
- Primary cutaneous diffuse large B-cell lymphoma, leg type
- Intravascular large B-cell lymphoma
- Primary mediastinal large B-cell lymphoma
- Mediastinal grey zone lymphoma
- High-grade B-cell lymphoma, NOS
Burkitt lymphoma
- Burkitt lymphoma
KSHV/HHV8-associated B-cell lymphoid proliferations and lymphomas
- Primary effusion lymphoma
- KSHV/HHV8-positive diffuse large B-cell lymphoma
- KSHV/HHV8-positive germinotropic lymphoproliferative disorder
Lymphoid proliferations and lymphomas associated with immune deficiency and dysregulation
- Hyperplasias arising in immune deficiency/dysregulation
- Polymorphic lymphoproliferative disorders arising in immune deficiency / dysregulation
- EBV-positive mucocutaneous ulcer
- Lymphomas arising in immune deficiency / dysregulation
- Inborn error of immunity-associated lymphoid proliferations and lymphomas
Hodgkin lymphoma
- Classic Hodgkin lymphoma
- Nodular lymphocyte predominant Hodgkin lymphoma
Plasma cell neoplasms and other diseases with paraproteins
Monoclonal gammopathies
- Cold agglutinin disease
- IgM monoclonal gammopathy of undetermined significance
- Non-IgM monoclonal gammopathy of undetermined significance
- Monoclonal gammopathy of renal significance
Diseases with monoclonal immunoglobulin deposition
- Immunoglobulin-related (AL) amyloidosis
- Monoclonal immunoglobulin deposition disease
Heavy chain diseases
- Mu heavy chain disease
- Gamma heavy chain disease
- Alpha heavy chain disease
Plasma cell neoplasms
- HAEM5:Plasmacytoma
- Plasma cell myeloma / multiple myeloma
- Plasma cell neoplasms with associated paraneoplastic syndrome
T-cell and NK-cell lymphoid proliferations and lymphomas (Overview Page Link)
Tumour-like lesions with T-cell predominance
- Kikuchi-Fujimoto disease
- Autoimmune lymphoproliferative syndrome
- Indolent T-lymphoblastic proliferation
Precursor T-cell neoplasms
T-lymphoblastic leukaemia / lymphoma
- T-lymphoblastic leukaemia / lymphoma, NOS
- Early T-precursor lymphoblastic leukaemia / lymphoma
Mature T-cell and NK-cell neoplasms
Mature T-cell and NK-cell leukaemias
- T-prolymphocytic leukaemia
- T-large granular lymphocytic leukaemia
- NK-large granular lymphocytic leukaemia
- Adult T-cell leukaemia/lymphoma
- Sezary syndrome
- Aggressive NK-cell leukaemia
Primary cutaneous T-cell lymphoid proliferations and lymphomas
- Primary cutaneous CD4-positive small or medium T-cell lymphoproliferative disorder
- Primary cutaneous acral CD8-positive T-cell lymphoproliferative disorder
- Mycosis fungoides
- Primary cutaneous CD30-positive T-cell lymphoproliferative disorder: Lymphomatoid papulosis
- Primary cutaneous CD30-positive T-cell lymphoproliferative disorder: Primary cutaneous anaplastic large cell lymphoma
- Subcutaneous panniculitis-like T-cell lymphoma
- Primary cutaneous gamma/delta T-cell lymphoma
- Primary cutaneous CD8-positive aggressive epidermotropic cytotoxic T-cell lymphoma
- Primary cutaneous peripheral T-cell lymphoma, NOS
Intestinal T-cell and NK-cell lymphoid proliferations and lymphomas
- Indolent T-cell lymphoma of the gastrointestinal tract
- Indolent NK-cell lymphoproliferative disorder of the gastrointestinal tract
- Enteropathy-associated T-cell lymphoma
- Monomorphic epitheliotropic intestinal T-cell lymphoma
- Intestinal T-cell lymphoma, NOS
Hepatosplenic T-cell lymphoma
- Hepatosplenic T-cell lymphoma
Anaplastic large cell lymphoma
- ALK-positive anaplastic large cell lymphoma
- ALK-negative anaplastic large cell lymphoma
- Breast implant-associated anaplastic large cell lymphoma
Nodal T-follicular helper (TFH) cell lymphoma
- Nodal TFH cell lymphoma, angioimmunoblastic-type
- Nodal TFH cell lymphoma, follicular-type
- Nodal TFH cell lymphoma, NOS
Other peripheral T-cell lymphomas
- Peripheral T-cell lymphoma, NOS
EBV-positive NK-cell and T-cell lymphomas
- EBV-positive nodal T- and NK-cell lymphoma
- Extranodal NK/T-cell lymphoma
EBV-positive T-cell and NK-cell lymphoid proliferations and lymphomas of childhood
- Severe mosquito bite allergy
- Hydroa vacciniforme lymphoproliferative disorder
- Systemic chronic active EBV disease
- Systemic EBV-positive T-cell lymphoma of childhood
Stroma-derived neoplasms of lymphoid tissues (Overview Page Link)
Mesenchymal dendritic cell neoplasms
Follicular dendritic cell neoplasms
- Follicular dendritic cell sarcoma
- EBV-positive inflammatory follicular dendritic cell sarcoma
- Fibroblastic reticular cell tumour
Myofibroblastic tumours
Myofibroblastic tumour
- Intranodal palisaded myofibroblastoma
Spleen-specific vascular-stromal tumours
Splenic vascular-stromal tumours
- Littoral cell angioma
- Splenic hamartoma
- Sclerosing angiomatoid nodular transformation (SANT) of spleen
- Fanconi anaemia
- Bloom syndrome
- Ataxia-telangiectasia syndrome
- RASopathies