B-cell prolymphocytic leukemia

**B-cell prolymphocytic leukemia**
*Classification & external resources*
ICD-O:	9833

B-cell prolymphocytic leukemia is a more aggressive, but still treatable, form of chronic lymphocytic leukemia. The malignant B cells are larger than average. The name is commonly abbreviated B-PLL.

Additional recommended knowledge

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It can involve deletions from chromosome 11 and chromosome 13.^[1]

It has a relatively poor prognosis.^[2]

References

^ Lens D, Matutes E, Catovsky D, Coignet LJ (2000). "Frequent deletions at 11q23 and 13q14 in B cell prolymphocytic leukemia (B-PLL)". Leukemia 14 (3): 427-30. PMID 10720137.
^ Del Giudice I, Davis Z, Matutes E, et al (2006). "IgVH genes mutation and usage, ZAP-70 and CD38 expression provide new insights on B-cell prolymphocytic leukemia (B-PLL)". Leukemia 20 (7): 1231-7. doi:10.1038/sj.leu.2404238. PMID 16642047.

v • d • e Hematological malignancy histology (ICD-O 9590-9989)
Lymphomas (9590-9759)	Hodgkin's lymphoma vs. Non-Hodgkin lymphoma - Diffuse lymphoma vs. Follicular lymphoma B-cell lymphoma (Small cell, Primary effusion, Diffuse large, ,Burkitt's, Splenic marginal zone, MALT) T-cell lymphoma (Cutaneous , Mycosis fungoides/Sézary's disease, Angioimmunoblastic, Anaplastic large cell, Hepatosplenic) plasma cell (Plasmacytoma, Multiple myeloma) mast cell tumor (Mast-cell sarcoma, Malignant mastocytosis, Malignant histiocytosis, Langerhans cell histiocytosis)
Immunoproliferative disorders (9760-9799)	Waldenström macroglobulinemia - Lymphomatoid granulomatosis
Lymphoid leukemias (9800-9839)	ALL - CLL - T-cell leukemia (Adult, Large granular lymphocyte, Prolymphocytic, Acute lymphoblastic) - B-cell leukemia (Prolymphocytic)
Myeloid leukemias (9840-9939, 9963)	AML (M2, APL/M3, AMoL/M5, Erythroleukemia/M6) - CML (CMoL, CNL, Philadelphia chromosome) - Granulocytic sarcoma
Other leukemias (9940-9949)	Hairy cell leukemia - Aggressive NK-cell leukemia
Myeloproliferative disease (9950-9961)	Polycythemia vera - Essential thrombocytosis - Myelofibrosis
Other (9964-9989)	Hypereosinophilic syndrome - Post-transplant lymphoproliferative disorder - Myelodysplastic syndrome