French–American–British classification

{{Short description|Classification system of leukaemias and myelodysplasias}}

The French–American–British (FAB) classification systems refers to a series of classifications of hematologic diseases. It is based on the presence of dysmyelopoiesis and the quantification of myeloblasts and erythroblasts.

{{cite book

| title = Hematology, Volume 487

| author = Emmanuel C. Besa

| publisher = Lippincott Williams & Wilkins

| year = 1992

| isbn = 9780683062229

| page = 42

| url = https://books.google.com/books?id=j0WXeUfLGesC&pg=PA42

}}

It was first produced in 1976.{{cite journal |vauthors=Bennett JM, Catovsky D, Daniel MT |title=Proposals for the classification of the acute leukaemias. French-American-British (FAB) co-operative group |journal=Br. J. Haematol. |volume=33 |issue=4 |pages=451–8 |date=August 1976 |pmid=188440 |doi= 10.1111/j.1365-2141.1976.tb03563.x|s2cid=9985915 |display-authors=etal}}

Types include:

• FAB classification of acute lymphoblastic leukemias: L1–L3 (three subtypes)
• FAB classification of acute myeloid leukemias: M0–M7 (eight subtypes)
• FAB classification of myelodysplastic syndromes

Updates continued through at least 1989.{{cite journal |vauthors=Bennett JM, Catovsky D, Daniel MT |title=Proposals for the classification of chronic (mature) B and T lymphoid leukaemias. French-American-British (FAB) Cooperative Group |journal=J. Clin. Pathol. |volume=42 |issue=6 |pages=567–84 |date=June 1989 |pmid=2738163 |pmc=1141984 |doi= 10.1136/jcp.42.6.567|display-authors=etal}}