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Showing content from https://librepathology.org/wiki/Small_cell_lymphomas below:

Small cell lymphomas - Libre Pathology

The small cell lymphomas are a collection of commonly seen lymphomas that have a near-identical histomorphologic appearance.

The group includes:

  1. Small lymphocytic lymphoma/chronic lymphocytic leukemia.
  2. Follicular lymphoma.
  3. Mantle cell lymphoma.
  4. Marginal zone lymphoma (includes MALT lymphoma).
  5. Hairy cell leukemia.
  6. Immunoproliferative small intestinal disease (IPSID).[1]
Table of B-cell lymphoma

Small cell lymphomas:

Name Location Size of cells IHC Translocations Clinical Other Follicular lymphoma Follicle Small, centrocytes, centroblasts CD10+, BCL6+[2] t(14;18)(q32;q21) IGH/BCL2[3] may transform into DLBCL very common Mantle cell lymphoma mantle zone small CD5+, CD23-, CD43+, cyclin D1+[2] t(11;14)(q13;q32) BCL1/IGH[4] (also IGH/BCL1[5]) aggressive, poor prognosis[6] DDx: Castleman disease Marginal zone lymphoma (includes MALT) marginal zone, spleen, GI tract small CD21+, CD11c+, CD5-, CD23-[2] t(11;18)(q21;q21) / API2‐MALT1, t(14;18)(q32;q21) / IGH‐MALT1, t(1;14)(p22;q32) / IGH‐BCL10[7] classical GI lymphoma subtypes: extranodal marginal zone lymphoma (AKA MALT lymphoma), SMZL, nodal marginal zone lymphoma Precursor B cell lymphoblastic lymphoma/leukemia location ? small CD10+, CD5-, TdT+, CD99+[2] t(9;22), others good prognosis (?) other ? B cell small lymphocytic lymphoma /
chronic lymphocytic leukemia location ? small CD5+, CD23+, CD43+, cyclin D1- trisomy 12; deletions of 11q, 13q, 17p[8] good prognosis / indolent course other ?

Common medium and large cell lymphomas:

Name Location Size of cells IHC Translocations Clinical Other Burkitt's lymphoma follicle large cells CD10, BCL6 t(8;14) (q24;q32) rapid growth "starry sky" Diffuse large B cell lymphoma follicle (?) large 4-5X of lymphocyte MIB1 >40% none/like follicular l. poor prognosis common among lymphomas Follicular lymphoma Mantle cell lymphoma Marginal zone lymphoma

Classification:

  1. Extranodal marginal zone lymphoma.
  2. Splenic marginal zone lymphoma (SMZL).
  3. Nodal marginal zone lymphoma (NMZL).
Hairy cell leukemia

See Hairy cell leukemia

B cell small lymphocytic lymphoma/chronic lymphocytic leukemia Precursor B-cell lymphoblastic lymphoma/leukemia General Microscopic

Features:[9]

IHC

Features:[2]

Molecular

Subclassification based on molecular abnormalities (translocations, rearrangements):[10]

Precursor T-cell lymphoblastic lymphoma/leukemia General Microscopic

Features:

IHC

Features:[11]

See also References
  1. ↑ Al-Saleem T, Al-Mondhiry H (March 2005). "Immunoproliferative small intestinal disease (IPSID): a model for mature B-cell neoplasms". Blood 105 (6): 2274–80. doi:10.1182/blood-2004-07-2755. PMID 15542584. http://bloodjournal.hematologylibrary.org/cgi/content/long/105/6/2274.>
  2. ↑ 2.0 2.1 2.2 2.3 2.4 Lester, Susan Carole (2005). Manual of Surgical Pathology (2nd ed.). Saunders. pp. 95. ISBN 978-0443066450.
  3. ↑ Yanai, S.; Nakamura, S.; Takeshita, M.; Fujita, K.; Hirahashi, M.; Kawasaki, K.; Kurahara, K.; Sakai, Y. et al. (Dec 2010). "Translocation t(14;18)/IGH-BCL2 in gastrointestinal follicular lymphoma: correlation with clinicopathologic features in 48 patients.". Cancer. doi:10.1002/cncr.25811. PMID 21192062.
  4. ↑ URL: http://atlasgeneticsoncology.org/Anomalies/t1114ID2021.html. Accessed on: 10 August 2010.
  5. ↑ URL: http://www.wipo.int/patentscope/search/en/WO2010059499. Accessed on: 26 May 2011.
  6. ↑ Hankin, RC.; Hunter, SV. (Dec 1999). "Mantle cell lymphoma.". Arch Pathol Lab Med 123 (12): 1182-8. doi:10.1043/0003-9985(1999)1231182:MCL2.0.CO;2. PMID 10583923.
  7. ↑ Bacon CM, Du MQ, Dogan A (April 2007). "Mucosa-associated lymphoid tissue (MALT) lymphoma: a practical guide for pathologists". J. Clin. Pathol. 60 (4): 361–72. doi:10.1136/jcp.2005.031146. PMC 2001121. PMID 16950858. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2001121/.
  8. ↑ Mitchell, Richard; Kumar, Vinay; Fausto, Nelson; Abbas, Abul K.; Aster, Jon (2011). Pocket Companion to Robbins & Cotran Pathologic Basis of Disease (8th ed.). Elsevier Saunders. pp. 318. ISBN 978-1416054542.
  9. ↑ DG. 17 August 2010.
  10. ↑ Randolph TR (2004). "Advances in acute lymphoblastic leukemia". Clin Lab Sci 17 (4): 235–45. PMID 15559730. http://findarticles.com/p/articles/mi_qa3890/is_200410/ai_n9429273/pg_2.
  11. ↑ Lester, Susan Carole (2005). Manual of Surgical Pathology (2nd ed.). Saunders. pp. 97. ISBN 978-0443066450.

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