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Non-Hodgkin’s Lymphoma

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Presentation on theme: "Non-Hodgkin’s Lymphoma"— Presentation transcript:

1 Non-Hodgkin’s Lymphoma
Luis Fayad, MD Assistant Professor Clinical Medical Director Lymphoma/Myeloma Department

2 Non-Hodgkin’s Lymphoma
Non-Hodgkin’s lymphomas (NHL) are a heterogeneous group of malignant lymphomas. There are many different subtypes, every few years the classification is updated. Today, morphology, immunophenotype, molecular, cytogenetics, and other techniques are used for diagnosis. Treatment generally depends on the aggressiveness of the disease (indolent, aggressive, or very aggressive) Current ICD-9-CM diagnosis code range 200.0_ – 200.8_ and 202.0_ – 202.9_

3 Behavior Indolent – these lymphomas grow slowly. The majority of NHLs are considered indolent. Indolent lymphomas are generally considered incurable with chemotherapy and/or radiation therapy. Aggressive – these lymphomas have a rapid growth pattern. This is the second most common form of NHL and are curable with chemotherapy. Very Aggressive – these lymphomas grow very rapidly. They account for a small proportion of NHLs and can be treated with chemotherapy. Unless treated rapidly, these lymphomas can be life threatening.

4 WHO/REAL Classification of Lymphoid Neoplasms
B-Cell Neoplasms Precursor B-cell neoplasm Precursor B-lymphoblastic leukemia/lymphoma (precursor B-acute lymphoblastic leukemia) Mature (peripheral) B-neoplasms B-cell chronic lymphocytic leukemia / small lymphocytic lymphoma B-cell prolymphocytic leukemia Lymphoplasmacytic lymphoma‡ Splenic marginal zone B-cell lymphoma (+ villous lymphocytes)* Hairy cell leukemia Plasma cell myeloma/plasmacytoma Extranodal marginal zone B-cell lymphoma of MALT type Nodal marginal zone B-cell lymphoma (+ monocytoid B cells)* Follicular lymphoma Mantle cell lymphoma Diffuse large B-cell lymphoma Mediastinal large B-cell lymphoma Primary effusion lymphoma† Burkitt’s lymphoma/Burkitt cell leukemia§ T and NK-Cell Neoplasms Precursor T-cell neoplasm Precursor T-lymphoblastic leukemia/lymphoma (precursor T-acute lymphoblastic leukemia ‡ Formerly known as lymphoplasmacytoid lymphoma or immunocytoma II Entities formally grouped under the heading large granular lymphocyte leukemia of T- and NK-cell types * Provisional entities in the REAL classification Mature (peripheral) T neoplasms T-cell chronic lymphocytic leukemia / small lymphocytic lymphoma T-cell prolymphocytic leukemia T-cell granular lymphocytic leukemiaII Aggressive NK leukemia Adult T-cell lymphoma/leukemia (HTLV-1+) Extranodal NK/T-cell lymphoma, nasal type# Enteropathy-like T-cell lymphoma** Hepatosplenic γδ T-cell lymphoma* Subcutaneous panniculitis-like T-cell lymphoma* Mycosis fungoides/Sézary syndrome Anaplastic large cell lymphoma, T/null cell, primary cutaneous type Peripheral T-cell lymphoma, not otherwise characterized Angioimmunoblastic T-cell lymphoma primary systemic type Hodgkin’s Lymphoma (Hodgkin’s Disease) Nodular lymphocyte predominance Hodgkin’s lymphoma Classic Hodgkin’s lymphoma Nodular sclerosis Hodgkin’s lymphoma (grades 1 and 2) Lymphocyte-rich classic Hodgkin’s lymphoma Mixed cellularity Hodgkin’s lymphoma Lymphocyte depletion Hodgkin’s lymphoma † Not described in REAL classification § Includes the so-called Burkitt-like lymphomas ** Formerly known as intestinal T-cell lymphoma # Formerly know as angiocentric lymphoma

5 Frequency of NHL Subtypes in Adults
Mantle cell (6%) Peripheral T-cell (6%) Indolent (35%) Other subtypes with a frequency 2% (9%) Key Point: The REAL/WHO classification system makes it possible to define clinically distinct types of NHL.1,2 This is a clinical evaluation of the REAL classifications in 1403 cases of NHL at 9 study sites worldwide.2 For most subtypes, diagnostic accuracy and reproducibility were ≥85%.2 The most common NHL subtypes2 Indolent lymphomas 35% Follicular lymphoma 22% Small lymphocytic lymphoma 6% Marginal zone B-cell MALT 5% Marginal zone B-cell nodal 1% Lymphoplasmacytic 1% Mantle cell lymphoma 6% Peripheral T-cell lymphoma 6% Diffuse large B-cell lymphoma 31% Composite lymphomas 13% The Non-Hodgkin’s Lymphoma Classification Project. A clinical evaluation of the International Lymphoma Study Group classification of non-Hodgkin’s lymphoma. Blood. 1997;89:3909–3918. Armitage JO, Weisenburger DD, for the Non-Hodgkin’s Lymphoma Classification Project. New approach to classifying non-Hodgkin’s lymphomas: clinical features of the major histologic subtypes. J Clin Oncol. 1998;16:2780–2795. Composite lymphomas (13%) Diffuse large B-cell (31%) Armitage et al. J Clin Oncol. 1998;16:2780–2795.

6 Marginal Zone Lymphoma
Indolent Currently codes to 202.8_ Accounts for ~10% of all lymphomas Subcategories MALT (XRT?) Nodal Extra Nodal Splenic

7 Mantle Cell Lymphoma Aggressive Currently codes to 202.8_
Accounts for ~ 6% of all lymphomas Considered “incurable” with traditional RX Stem cell transplant is offered often as front-line consolidation treatment in “younger” patients

8 Primary CNS Lymphoma Aggressive Currently codes to 202.8_
Accounts for ~ 1-2% of all lymphomas Different chemotherapy treatments Often requires radiation to the brain: Brain dysfunction in younger patients Dementia in older patients

9 Anaplastic Large Cell Lymphoma (ALCL)
Aggressive Currently codes to 202.8_ Accounts for ~ 2% of all lymphomas Two groups: ALCL ALK-1+ better prognosis, more common in younger patients and children ALCL ALK-1-negative : as bad as any other T-cell lymphoma

10 Peripheral T-cell Lymphoma
Aggressive Currently codes to 202.8_ Accounts for ~ 7% of all lymphomas Worse prognosis, often associated with extranodal presentation Often requiring salvage treatment and transplant

11 Large Cell Lymphoma Very Aggressive Currently codes to 200.0_
Accounts for ~ 31% of all lymphomas

12 Other Recommendations
Changes to terminology Changes in disease process

13 Questions?

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