The clinical study of extranodal natural killer cell lymphoma, nasal type.
Summary of "The clinical study of extranodal natural killer cell lymphoma, nasal type."
To analyze the clinical characteristics, treatment of extranodal NK/T-cell lymphoma, nasal type, the term "nasal type" describes in the nasal cavity and also in the extranasal sites. There were 82 patients with nasal NK/T lymphoma (group 1) and 11 patients with extranasal NK/T lymphoma (group 2). In group 1, 4 patients gave up treatment. Five patients received radiotherapy (RT) alone. Fifty-seven patients were treated with combination of chemotherapy and RT. Sixteen patients received chemotherapy alone. Most patients (82.9%) had stage I/II disease and a high frequency (about one-third) of B symptoms. The CR rate was 53.8%. The OS rate was 62.8% (49/78 cases). Three patients died in relation to L-asparaginase. Three patients with late relapses occurred at 10 and 17 years from CR, respectively. In group 2, except that one patient received chemoradiotherapy, 10 patients received chemotherapy. Seven patients died. The OS rate was 36.4%. Our study suggested that nasal and extranasal variants of extranodal NK/T lymphoma, nasal type represented different clinical behavior and prognosis. For comparison, extranasal NK/T lymphoma is more aggressive and higher mortality than nasal NK/T lymphoma.
Affiliation
Department of Hematology, Shanxi Tumor Hospital, #3, xinjie west avenue, 030013, Xinghualing District, Taiyuan, Shanxi, People's Republic of China, gnahzx@163.com.
Journal Details
This article was published in the following journal.
Name: Medical oncology (Northwood, London, England)
ISSN: 1559-131X
Pages:
Links
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/21128014
- DOI: http://dx.doi.org/10.1007/s12032-010-9756-0
Medical and Biotech [MESH] Definitions
Lymphoma, Extranodal Nk-t-cell
An extranodal neoplasm, usually possessing an NK-cell phenotype and associated with EPSTEIN-BARR VIRUS. These lymphomas exhibit a broad morphologic spectrum, frequent necrosis, angioinvasion, and most commonly present in the midfacial region, but also in other extranodal sites.
Lymphoma, Aids-related
B-cell lymphoid tumors that occur in association with AIDS. Patients often present with an advanced stage of disease and highly malignant subtypes including BURKITT LYMPHOMA; IMMUNOBLASTIC LARGE-CELL LYMPHOMA; PRIMARY EFFUSION LYMPHOMA; and DIFFUSE, LARGE B-CELL, LYMPHOMA. The tumors are often disseminated in unusual extranodal sites and chromosomal abnormalities are frequently present. It is likely that polyclonal B-cell lymphoproliferation in AIDS is a complex result of EBV infection, HIV antigenic stimulation, and T-cell-dependent HIV activation.
Granuloma, Lethal Midline
A condition that is characterized by inflammation, ulceration, and perforation of the nose and the PALATE with progressive destruction of midline facial structures. This syndrome can be manifested in several diseases including the nasal type of EXTRANODAL NK-T-CELL LYMPHOMA and WEGENER GRANULOMATOSIS.
Killer Cells, Natural
Bone marrow-derived lymphocytes that possess cytotoxic properties, classically directed against transformed and virus-infected cells. Unlike T CELLS; and B CELLS; NK CELLS are not antigen specific. The cytotoxicity of natural killer cells is determined by the collective signaling of an array of inhibitory and stimulatory CELL SURFACE RECEPTORS. A subset of T-LYMPHOCYTES referred to as NATURAL KILLER T CELLS shares some of the properties of this cell type.
Receptors, Natural Killer Cell
Receptors that are specifically found on the surface of NATURAL KILLER CELLS. They play an important role in regulating the cellular component of INNATE IMMUNITY.
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