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Related to cutaneous lymphoma: Cutaneous T cell lymphoma


a cancer of the tissue of the lymphatic systemlymphatic system
, network of vessels carrying lymph, or tissue-cleansing fluid, from the tissues into the veins of the circulatory system. The lymphatic system functions along with the circulatory system in absorbing nutrients from the small intestines.
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. There are two categories of lymphomas. One type is termed Hodgkin's diseaseHodgkin's disease,
a type of cancer of the lymphatic system. First identified in 1832 in England by Thomas Hodgkin, it is a type of malignant lymphoma. Incidence peaks in young adults and the elderly.
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, the other, non-Hodgkin's lymphoma (see lymphoma, non-Hodgkin'slymphoma, non-Hodgkin's,
any cancer of the lymphoid tissue (see lymphatic system) in which the Reed-Sternberg cells characteristic of Hodgkin's disease (the other category of lymphoma) are not present.
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). See also neoplasmneoplasm
or tumor,
tissue composed of cells that grow in an abnormal way. Normal tissue is growth-limited, i.e., cell reproduction is equal to cell death. Feedback controls limit cell division after a certain number of cells have developed, allowing for tissue repair
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Any neoplasm, usually malignant, of the lymphoid tissues.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
(4,10) It accounts for approximately 10% to 20% of all cutaneous lymphomas and comprises about 50% of primary cutaneous B-cell lymphomas.
Cutaneous lymphoma is one subtype of lymphoma and can present as a single tumor or as a manifestation of systemic disease.
Subcutaneous panniculitis-like T-cell lymphoma: redefinition of diagnostic criteria in the recent World Health Organization-European Organization for Research and Treatment of Cancer classification for cutaneous lymphomas. Arch Pathol Lab Med 2009; 133(2): 303-308.
ISCL/EORTC Proposed TNM Classification of Cutaneous Lymphoma Other Than Mycosis Fungoides and Sezary Syndrome
In this single-center study, which was conducted from 2003 to 2013,118 patients with cutaneous lymphoma were analyzed in the Academic Referral Center for Cutaneous Lymphoma of the Al-Zahra Hospital of the Isfahan University of Medical Sciences and were classified according to the clinical, histopathological, immunophenotyping, and molecular criteria of the WHO-EORTC [3,10].
Cutaneous lymphoma is a rare condition in dogs and especially the non epitheliotropic lymphoma characterized by subcutaneous nodules (usually of B cell origin) with rapid onset and progression is uncommon as compared to epitheliotropic form of cutaneous lymphoma (Vail, 2006).
The cutaneous T cell lymphomas (CTCL) include diverse malignancies: mycosis fungoides (MF), Sezary syndrome, lymphomatoid papulosis (LyP), anaplastic large-cell lymphoma (ALCL) and many less known varieties.1 Clinical presentation, histology, and immunophenotype must be considered together to establish the specific subtype and ensure appropriate treatment and management.2,8 Diagnosis is not easy and multiple biopsies are often required.8 Recently recognized primary cutaneous CD30+ ALCL constitutes approximately 10 percent of all CTCL cases.2 Diagnosis is based on predominance (greater than 75%) of large clusters of CD30+ blast cells, no clinical evidence of LyP, no prior or concurrent LyP, MF, or other cutaneous lymphoma; and no extra-cutaneous lesion at presentation.2,6,7,9
When the disease affects all of a cat's lymph nodes, it is termed "multicentric." The other major types include mediastinal lymphoma, which affects the thymus gland or lymph nodes in the center of the chest cavity; gastrointestinal lymphoma, which affects the alimentary tract; cutaneous lymphoma, which affects the skin; and leukemia, which originates in the bone marrow.
Cutaneous lymphomas in Germany: an analysis of the Central Cutaneous Lymphoma Registry of the German Society of Dermatology.

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