Lymphoma Overview and Types
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Based on the diagram, which of the following statements is TRUE about lymphoma?

  • Lymphoma is a type of blood cancer that originates from lymphoid cells. (correct)
  • Lymphoma is a type of blood cancer that originates from myeloid cells.
  • Lymphoma is a type of blood cancer that originates from red blood cells.
  • Lymphoma is not a type of blood cancer.

lymphoma develops from?

  • Lymphoid cells (correct)
  • Myeloma cells
  • Microglia
  • Mast cells

Which of the following statements is a logical deduction based on the information provided?

  • Lymphoma is the only type of blood cancer that develops from lymphoid cells.
  • Lymphoid cells are a type of blood cell. (correct)
  • Blood cancers develop from a variety of cell types, including lymphoid cells.
  • All blood cancers develop from lymphoid cells.

Based on the information provided, which of the following is a reasonable hypothesis about how lymphoma develops?

<p>Lymphoma develops when lymphoid cells mutate and become cancerous. (C)</p> Signup and view all the answers

This diagram suggests that lymphoma is a type of blood cancer that is linked to which of the following?

<p>Immune System (D)</p> Signup and view all the answers

What is a characteristic histological feature of Burkitt Lymphoma?

<p>Starry sky appearance (D)</p> Signup and view all the answers

Which genotype is commonly associated with Burkitt Lymphoma?

<p>T(8;14) translocation (D)</p> Signup and view all the answers

What hematological finding is commonly observed in Non-Hodgkin's Lymphoma?

<p>Neutropenia (C)</p> Signup and view all the answers

Which treatment modality is NOT typically associated with Non-Hodgkin's Lymphoma?

<p>Cryotherapy (D)</p> Signup and view all the answers

Which enzyme is often elevated and serves as a prognostic factor in Non-Hodgkin's Lymphoma?

<p>Lactate dehydrogenase (LDH) (D)</p> Signup and view all the answers

In which age group is Burkitt Lymphoma primarily prevalent?

<p>Ages 4-7 years (A)</p> Signup and view all the answers

Which of the following is a common feature of the immunological profile of B cells?

<p>CD19 and CD20 positive (D)</p> Signup and view all the answers

What is the primary clinical manifestation of Burkitt Lymphoma?

<p>Abdominal mass (A)</p> Signup and view all the answers

What is indicated by uncontrolled proliferation of lymphocytes?

<p>Malignancy (D)</p> Signup and view all the answers

Which type of lymphoma is characterized as being slow-growing?

<p>Indolent Non-Hodgkin Lymphoma (B)</p> Signup and view all the answers

What subtype of Hodgkin Lymphoma is noted for its nodular sclerosis?

<p>Nodular Sclerosis HL (A)</p> Signup and view all the answers

Which condition is associated with an increased risk of Non-Hodgkin Lymphoma?

<p>Chronic Immunodeficiency (A)</p> Signup and view all the answers

In which type of infection is gastric MALT lymphoma commonly associated?

<p>H. pylori Infection (D)</p> Signup and view all the answers

Which classification features Burkitt lymphoma?

<p>Aggressive fast-growing non-Hodgkin lymphoma (A)</p> Signup and view all the answers

Which of the following is NOT a characteristic of Hodgkin Lymphoma?

<p>Non-contiguous lymph node involvement (D)</p> Signup and view all the answers

Which cell type is primarily associated with Non-Hodgkin Lymphomas?

<p>All of the above (D)</p> Signup and view all the answers

Which of the following correctly identifies the percentage distribution between Hodgkin Lymphoma and Non-Hodgkin Lymphoma?

<p>15% Hodgkin Lymphoma, 85% Non-Hodgkin Lymphoma (D)</p> Signup and view all the answers

Which of the following findings is NOT typically associated with the diagnosis of Hodgkin Lymphoma?

<p>Elevated white blood cell count (C)</p> Signup and view all the answers

What is the purpose of using CD markers in the diagnosis of lymphomas?

<p>To identify specific types of lymphocytes (D)</p> Signup and view all the answers

Which chromosome translocation is specifically associated with Burkitt Lymphoma?

<p>t(8;14)(q24;q32) (A)</p> Signup and view all the answers

What clinical feature is commonly observed in patients with Hodgkin Lymphoma?

<p>Painless enlargement of lymph nodes (B)</p> Signup and view all the answers

What is the role of immunophenotyping in lymphoid tumors?

<p>To identify specific cell surface molecules (B)</p> Signup and view all the answers

Which cell is indicative of Hodgkin Lymphoma?

<p>Reed-Sternberg cell (A)</p> Signup and view all the answers

What technique is used for detecting chromosomal abnormalities in lymphomas?

<p>Karyotyping and FISH (D)</p> Signup and view all the answers

Which virus is most commonly associated with the development of Hodgkin Lymphoma?

<p>Epstein-Barr virus (EBV) (A)</p> Signup and view all the answers

In which locations are enlarged lymph nodes most commonly found in Hodgkin Lymphoma patients?

<p>Cervical, abdominal, and chest nodes (A)</p> Signup and view all the answers

What type of lymphoma is characterized by the presence of Reed-Sternberg cells?

<p>Hodgkin's Lymphoma (C)</p> Signup and view all the answers

Which of the following histological subtypes of Hodgkin's lymphoma is associated with a better prognosis?

<p>Lymphocyte Predominant (A)</p> Signup and view all the answers

Which of the following is NOT a common clinical feature of Non-Hodgkin's Lymphoma?

<p>Elevated levels of lactate dehydrogenase (LDH) (A)</p> Signup and view all the answers

Which of the following is a TRUE statement about the classification of Non-Hodgkin's Lymphoma?

<p>The WHO classification includes histological, immunophenotypic, and genetic features. (C)</p> Signup and view all the answers

Which of the following is a potential risk factor for developing Hodgkin's Lymphoma?

<p>All of the above (D)</p> Signup and view all the answers

In Hodgkin's Lymphoma, what is the significance of the Reed-Sternberg cell's lack of or weak expression of CD20 and CD45?

<p>It suggests the cells are abnormal germinal center B cells that haven't undergone hypermutation to express their antibodies. (A)</p> Signup and view all the answers

What is the significance of elevated transaminases in a patient with Hodgkin's Lymphoma?

<p>It suggests spread of the lymphoma to the liver. (D)</p> Signup and view all the answers

Which of the following statements about the treatment of Hodgkin's Lymphoma is TRUE?

<p>A combination of therapies, including radiotherapy and chemotherapy, is often used. (B)</p> Signup and view all the answers

Which of the following is a characteristic feature of Mantle Cell Lymphoma?

<p>The cells express CD5, CD19, and CD20. (C)</p> Signup and view all the answers

In the context of Non-Hodgkin's Lymphoma, what is the significance of the "t(11;14)" translocation?

<p>It is a hallmark of Mantle Cell Lymphoma. (A)</p> Signup and view all the answers

Which of the following statements about Marginal Zone Lymphoma is TRUE?

<p>It often arises from pre-existing inflammation or autoimmune disorders. (D)</p> Signup and view all the answers

What is the significance of the BCL-2 protein in Follicular Lymphoma?

<p>It inhibits apoptosis, contributing to tumor growth. (C)</p> Signup and view all the answers

Which of the following is NOT a characteristic feature of Diffuse Large B-cell Lymphoma (DLBCL)?

<p>The cells are typically found in the germinal center of lymph nodes. (A)</p> Signup and view all the answers

What is the most common subtype of Non-Hodgkin's Lymphoma?

<p>Follicular Lymphoma (B)</p> Signup and view all the answers

Which of the following is a common genetic alteration associated with Burkitt's Lymphoma?

<p>t(8;14)(q24;q32) (B)</p> Signup and view all the answers

Flashcards

Lymphoma

A type of blood cancer that originates in the lymphatic system.

Blood Cancer

Cancers that affect blood cells, including leukemia and lymphoma.

Lymphatic System

A network of tissues and organs that help the body fight infections.

Symptoms of Lymphoma

Common signs include swollen lymph nodes, fever, and weight loss.

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Diagnosis of Lymphoma

Diagnosed through blood tests, imaging, and biopsies.

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Burkitt Lymphoma

A highly proliferative cancer, often presenting with an abdominal mass, associated with EBV and common in malaria areas.

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Starry Sky Appearance

Visual characteristic of Burkitt Lymphoma, marked by histiocytes and apoptotic debris.

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C-MYC Oncogene

Gene often overexpressed in Burkitt Lymphoma, leading to rapid cell division and cancer progression.

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Non-Hodgkin’s Lymphoma Types

Includes various lymphomas such as Follicular, Mantle Cell, and Diffuse Large B-cell Lymphoma.

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Hematological Findings in Lymphoma

Common lab findings include normochromic anemia, neutropenia, and thrombocytopenia.

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Raised LDH

Lactate dehydrogenase; elevated levels can indicate poor prognosis in lymphoma.

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CD Markers

Common antigens found on immune cells, including CD19 for B cells and CD3 for T cells.

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Lymphoma Treatment Options

Includes chemotherapy, radiotherapy, and stem cell transplantation.

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Hodgkin's Disease

A type of malignant lymphoma, often with Reed-Sternberg cells.

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Reed-Sternberg Cells

Large B lymphocytes characteristic of Hodgkin's lymphoma.

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Cytogenetics

Study of chromosomes to identify abnormalities in cells.

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Immunophenotyping

Detection of specific cell surface markers to classify lymphomas.

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Hodgkin Lymphoma

A type of lymphoma characterized by specific symptoms including painless lymph node enlargement.

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Non-Hodgkin Lymphoma

A heterogeneous group of lymphomas that do not have Reed-Sternberg cells.

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Bone Marrow Biopsy

A procedure to examine hematological findings in suspected lymphoma cases.

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Flow Cytometry

A technique used to analyze the physical and chemical characteristics of cells.

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Lymphocyte

A type of white blood cell essential for immune function, including B cells, T cells, and NK cells.

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B-cell Lymphoma

A type of Non-Hodgkin lymphoma that originates from B lymphocytes.

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T-cell Lymphoma

A cancer that develops from T lymphocytes, a subtype of Non-Hodgkin lymphoma.

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Indolent Lymphoma

A slower-growing type of lymphoma, often with a better prognosis.

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Aggressive Lymphoma

A fast-growing type of lymphoma with a higher risk and may require prompt treatment.

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MALT Lymphoma

A type of Non-Hodgkin lymphoma associated with mucosa-associated lymphoid tissue, often linked to infections like H. pylori.

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Hodgkin’s Lymphoma Staging

A classification system based on the number and location of lymph nodes affected.

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Rye Classification

A histological classification for Hodgkin’s Lymphoma based on cell types.

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Hodgkin’s Lymphoma Types

Includes Lymphocyte predominant, Mixed cellularity, Lymphocyte depleted, and Nodular sclerosing.

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Haematological Findings

Indicators include normochromic anemia, leucocytosis, and variable platelet counts.

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Non-Hodgkin’s Lymphoma

A type of malignant lymphoma without Reed-Sternberg cells, more common than Hodgkin’s.

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Clinical Features of NHL

Includes superficial lymphadenopathy, fever, night sweats, weight loss, anemia.

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NHL Staging

Uses the same criteria as Hodgkin's for classifying the disease severity.

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REAL/WHO Classification

A modern classification system that considers histological and genetic features.

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B-Cell Neoplasm

A type of Non-Hodgkin's lymphoma arising from B lymphocytes, encompasses various forms.

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T-Cell Neoplasm

A type of Non-Hodgkin's lymphoma arising from T lymphocytes, less common.

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Diffuse Large B-cell Lymphoma

A common form of B-cell lymphoma known for large abnormal cells.

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Mantle Cell Lymphoma

A type of Non-Hodgkin's lymphoma linked to the mantle zone of lymphoid tissue.

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Histological Classifications

Includes various systems like Rappaport, Kiel, and Luke-Collins for NHL.

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Study Notes

Lymphoma Overview

  • Lymphoma is a type of blood cancer arising from lymphocytes (B, T, NK cells).
  • It's characterized by uncontrolled proliferation and malignancy.
  • Systemic enlargement of lymph nodes is common.
  • Hodgkin lymphoma is distinguished by the presence of Reed-Sternberg cells.
  • Non-Hodgkin lymphoma is more common and lacks Reed-Sternberg cells.

Hodgkin Lymphoma

  • Malignant lymphoma.
  • Caused by Epstein-Barr virus (EBV).
  • Characterized by the presence of Reed-Sternberg cells within the affected lymphoid tissues (B cells).
  • Typically affects early adulthood and older individuals.
  • Presents with painless, firm, and discrete enlargement of superficial lymph nodes, splenomegaly, fever, night sweats, and loss of weight.
  • Enlargement of cervical, axillary, inguinal, abdominal, and chest nodes is common.
  • Subtypes include nodular lymphocyte predominant, classical Hodgkin, nodular sclerosis, lymphocyte-rich, mixed cellularity, and lymphocyte-depleted.

Non-Hodgkin Lymphoma (NHL)

  • Malignant lymphomas without Reed-Sternberg cells.
  • 5 times more common than Hodgkin lymphoma.
  • Common in children.
  • Etiology is multifactorial, often involving viral infections (EBV, HTLV-1) and gene mutations (c-myc, Bcl-2).
  • Clinical features include superficial lymphadenopathy, fever, night sweats, weight loss, anemia, neutropenia, and hepatomegaly/splenomegaly.
  • Staging is similar to Hodgkin lymphoma.
  • Classification uses various systems such as Rappaport, Kiel, Lukes-Collins, working formulation, and WHO (Revised American European Lymphoma).
  • A classification of NHL subtypes exists, categorizing lymphoma based on microscopic appearance of the lymphoid cells.
  • Several subtypes exist: B-cell (85%), T-cell (15%). Many more specific types exist.

Classification and Staging

  • Staging systems, like Ann Arbor, are crucial.
  • These systems identify lymph node involvement and extranodal sites.
  • Both Hodgkin's and Non-Hodgkin's lymphoma use similar staging systems.
  • Staging involves examining lymph node involvement across the diaphragm and extralymphatic sites (e.g., bone marrow, liver, skin, etc.).

Diagnosis

  • Hematological findings (CBC, bone marrow biopsy, etc.) are essential.
  • Biochemical findings (ESR, CRP, transaminases, LDH) provide additional information.
  • Cytogenetic studies analyze chromosomes.
  • Immunophenotyping using flow cytometry or immunohistochemistry identifies cell surface markers (CDs) for accurate classification.

Treatment

  • Treatment strategies for both Hodgkin and Non-Hodgkin lymphoma frequently involve chemotherapy, radiotherapy, and stem cell transplantation.

Diagnostic Techniques

  • Various tests (e.g., karyotyping, FISH, DNA sequencing) help identify specific chromosomal abnormalities, DNA rearrangements, and identify other genomic alterations associated with specific lymphomas.

Key Points for Prognosis and Classification

  • Based on the presence or absence of cleaved cells, cell size, and cell distribution.
  • A high proliferative capacity is associated with poor prognosis.
  • Proliferative capacity, cell morphology, cell size and distribution are important factors for classifying lymphomas and determining prognosis.

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Lymphoma - PDF

Description

This quiz explores the essential aspects of lymphoma, a type of blood cancer. It covers key characteristics of both Hodgkin and Non-Hodgkin lymphoma, including the distinction of Reed-Sternberg cells and common symptoms. Test your knowledge on causes, patient demographics, and lymph node involvement associated with these conditions.

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