Acute biphenotypic leukaemia

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Acute biphenotypic leukemia
Classification and external resources
ICD-O:	9805/3
MeSH	D015456

Acute biphenotypic leukaemia is a form of leukaemia where the lineage is of both lymphoid and myeloid origin.^[1]^[2]

It is a subtype of "leukemia of ambiguous lineage".^[3]

References

^ Matutes E, Morilla R, Farahat N, et al. (1997). "Definition of acute biphenotypic leukemia". Haematologica 82 (1): 64–6. PMID 9107085. http://www.haematologica.org/cgi/pmidlookup?view=long&pmid=9107085.
^ Han X, Bueso-Ramos CE (April 2007). "Precursor T-cell acute lymphoblastic leukemia/lymphoblastic lymphoma and acute biphenotypic leukemias". Am. J. Clin. Pathol. 127 (4): 528–44. doi:10.1309/2QE3A6EKQ8UYDYRC. PMID 17369128. http://ajcp.metapress.com/openurl.asp?genre=article&doi=10.1309/2QE3A6EKQ8UYDYRC.
^ Frater JL, Yaseen NR, Peterson LC, Tallman MS, Goolsby CL (March 2003). "Biphenotypic acute leukemia with coexpression of CD79a and markers of myeloid lineage". Arch. Pathol. Lab. Med. 127 (3): 356–9. PMID 12653584. http://journals.allenpress.com/jrnlserv/?request=get-abstract&issn=0003-9985&volume=127&page=356.

Hematological malignancy/leukemia histology (ICD-O 9590–9989, C81–C96, 200–208)
Lymphoid/Lymphoproliferative, Lymphomas/Lymphoid leukemias (9590–9739, 9800–9839)

B cell
(lymphoma,
leukemia)
(most CD19, CD20)

By development/
marker

By infection

KSHV (Primary effusion) · EBV (Lymphomatoid granulomatosis, Post-transplant lymphoproliferative disorder) · HIV (AIDS-related lymphoma) · Helicobacter pylori (MALT lymphoma)

Cutaneous

Diffuse large B-cell lymphoma · Intravascular large B-cell lymphoma · Primary cutaneous marginal zone lymphoma · Primary cutaneous immunocytoma · Plasmacytoma · Plasmacytosis · Primary cutaneous follicular lymphoma

T/NK

T cell
(lymphoma,
leukemia)
(most CD3, CD4, CD8)

By development/
marker

TdT+: ALL (Precursor T acute lymphoblastic leukemia/lymphoma)

prolymphocyte (Prolymphocytic)

CD30+ (Anaplastic large-cell lymphoma, Lymphomatoid papulosis type A)

Cutaneous

MF+variants	indolent: Mycosis fungoides · Pagetoid reticulosis · Granulomatous slack skin aggressive: Sézary's disease · Adult T-cell leukemia/lymphoma

Non-MF	CD30-: Non-mycosis fungoides CD30− cutaneous large T-cell lymphoma · Pleomorphic T-cell lymphoma · Lymphomatoid papulosis type B CD30+: CD30+ cutaneous T-cell lymphoma · Secondary cutaneous CD30+ large cell lymphoma · Lymphomatoid papulosis type A

Other peripheral

Hepatosplenic · Angioimmunoblastic · Enteropathy-associated T-cell lymphoma · Peripheral T-cell lymphoma-Not-Otherwise-Specified (Lennert lymphoma) · Subcutaneous T-cell lymphoma

By infection

HTLV-1 (Adult T-cell leukemia/lymphoma)

NK cell/
(most CD56)

Aggressive NK-cell leukemia · Blastic NK cell lymphoma

T or NK

EBV (Extranodal NK-T-cell lymphoma/Angiocentric lymphoma) · Large granular lymphocytic leukemia

Lymphoid+myeloid

Acute biphenotypic leukaemia

Lymphocytosis

Lymphoproliferative disorders (X-linked lymphoproliferative disease, Autoimmune lymphoproliferative syndrome) · Leukemoid reaction · Diffuse infiltrative lymphocytosis syndrome

Cutaneous lymphoid hyperplasia

Cutaneous lymphoid hyperplasia with bandlike and perivascular patterns · Cutaneous lymphoid hyperplasia with nodular pattern · Jessner lymphocytic infiltrate of the skin

M: LMC

cell/phys/auag/auab/comp, igrc

imdf/ipig/hyps/tumr

proc, drug(L3/4)

Myeloid hematological malignancy/leukemia histology (ICD-O 9590–9989, C81–C96, 200–208)

CFU-GM/
and other granulocytes

MEP

CFU-Meg	AML (AMKL/M7) MP (Essential thrombocytosis)

CFU-E	AML (Erythroleukemia/M6) MP (Polycythemia vera) MD (Refractory anemia, Refractory anemia with excess of blasts, Chromosome 5q deletion syndrome, Sideroblastic anemia, Paroxysmal nocturnal hemoglobinuria, Refractory cytopenia with multilineage dysplasia)

CFU-Mast

Mastocytoma (Mast cell leukemia, Mast cell sarcoma, Systemic mastocytosis)

Mastocytosis: Diffuse cutaneous mastocytosis · Erythrodermic mastocytosis · Generalized eruption of cutaneous mastocytosis (adult type) · Generalized eruption of cutaneous mastocytosis (childhood type) · Mast cell sarcoma · Solitary mastocytoma · Systemic mastocytosis · Xanthelasmoidal mastocytosis

Multiple/unknown

AML (Acute panmyelosis with myelofibrosis, Myeloid sarcoma) · MP (Myelofibrosis) · Acute biphenotypic leukaemia

M: MYL

cell/phys (coag, heme, immu, gran), csfs

rbmg/mogr/tumr/hist, sysi/epon, btst

drug (B1/2/3+5+6), btst, trns

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