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    Cutaneous T-Cell Lymphomas

    Cutaneous T-Cell Lymphomas

    National Organization for Rare Disorders, Inc.

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    Important
    It is possible that the main title of the report Cutaneous T-Cell Lymphomas is not the name you expected.

    Disorder Subdivisions

    • None

    General Discussion

    General Discussion

    Summary

    Cutaneous T-cell lymphomas (CTCLs) are a group of disorders characterized by abnormal accumulation of malignant T-cells in the skin potentially resulting in the development of rashes, plaques and tumors. CTCLs belong to a larger group of disorders known as non-Hodgkin's lymphomas (NHLs), which are related malignancies (cancers) that affect the lymphatic system (lymphomas).

    Introduction

    Functioning as part of the immune system, the lymphatic system helps to protect the body against infection and disease. It consists of a network of tubular channels (lymph vessels) that drain a thin watery fluid known as lymph from different areas of the body into the bloodstream. Lymph accumulates in the tiny spaces between tissue cells and contains proteins, fats, and certain white blood cells known as lymphocytes.

    There are two main types of lymphocytes: B-lymphocytes, which may produce specific antibodies to "neutralize" certain invading microorganisms, and T-lymphocytes, which may directly destroy microorganisms or assist in the activities of other lymphocytes. CTCLs result from errors in the production of T-lymphocytes or transformation of T-lymphocytes into malignant cells. In CTCLs, abnormal, uncontrolled growth and multiplication (proliferation) of malignant T-lymphocytes result in accumulation of these lymphocytes in the skin. In some cases, malignant lymphocytes may spread to affect the lymph nodes and eventually to other bodily tissues and organs, potentially resulting in life-threatening complications. The specific symptoms and physical findings may vary from case to case, depending upon the extent and region(s) of involvement, the specific type of CTCL present, and various additional factors.

    Non-Hodgkin's lymphomas, such as CTCLs, may also be categorized based upon certain characteristics of the cancer cells as seen under a microscope and how quickly they may tend to grow and spread. For example, CTCLs may be characterized as "low-grade" (or indolent) lymphomas, which tend to grow slowly and result in few associated symptoms, or "intermediate-grade" or "high-grade" (aggressive) lymphomas, which typically grow rapidly, requiring prompt treatment. Most cases of CTCL, especially the classic form (mycosis fungoides), are slow-growing (indolent) lymphomas.

    Supporting Organizations

    American Cancer Society, Inc.

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    Cutaneous Lymphoma Foundation

    PO Box 374
    Birmingham, MI 48012-0374
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    Tel: (248)644-9014
    Fax: (248)233-3769
    Email: info@clfoundation.org
    Website: http://www.clfoundation.org

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    International Cancer Alliance for Research and Education (ICARE)

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    International Society for Cutaneous Lymphomas

    303 W. State Street
    Geneva, IL 60134
    USA
    Tel: 1-630-578-3991
    Fax: 1-630-262-1520
    Email: info@cutaneouslymphoma.org
    Website: http://www.cutaneouslymphoma.org

    Leukemia & Lymphoma Society

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    Livestrong Foundation

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    Lymphoma Association (UK)

    PO Box 386
    Aylesbury, HP20 2GA
    United Kingdom
    Tel: 1296619400
    Email: information@lymphomas.org.uk
    Website: http://www.lymphomas.org.uk

    Lymphoma Foundation Canada

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    Email: info@lymphoma.ca
    Website: http://www.lymphoma.ca

    Lymphoma Research Foundation

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    Email: LRF@lymphoma.org
    Website: http://www.lymphoma.org

    National Cancer Institute

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    National Cancer Institute Physician Data Query

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    Email: cancergovstaff@mail.nih.gov
    Website: http://www.cancer.gov/cancertopics/pdq/cancerdatabase

    National Coalition for Cancer Survivorship

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    OncoLink: The University of Pennsylvania Cancer Center Resource

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    Website: http://www.oncolink.upenn.edu

    Rare Cancer Alliance

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    Website: http://www.rare-cancer.org

    For a Complete Report

    This is an abstract of a report from the National Organization for Rare Disorders (NORD). For a full-text version of this report, go to www.rarediseases.org and click on Rare Disease Database under "Rare Disease Information".

    The information provided in this report is not intended for diagnostic purposes. It is provided for informational purposes only.

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    This disease entry is based upon medical information available through the date at the end of the topic. Since NORD's resources are limited, it is not possible to keep every entry in the Rare Disease Database completely current and accurate. Please check with the agencies listed in the Resources section for the most current information about this disorder.

    Last Updated:  10/25/2013
    Copyright  2013 National Organization for Rare Disorders, Inc.

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