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extranodal natural killer cell lymphoma

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https://www.readbyqxmd.com/read/29063643/primary-central-nervous-system-extranodal-nasal-type-natural-killer-t-cell-lymphoma-with-cd20-expression
#1
Dujuan Li, Fangfang Fu, Lifei Lian
We report a unique case of primary CNS extranodal natural killer/T-cell lymphoma (PCNS ENKTCL) with CD20 expression and the monoclonal rearrangement of Ig heavey chain (IgH) gene. Resection specimens were evaluated using HE-stained sections, immunohistochemistry, in situ hybridization and PCR. Histopathologic examination, immunohistochemistry and molecular studies showed the intermediate-sized lymphoma cells expressing CD2, CD3ε, granzyme B, TIA-1, CD20 and Epstein-Barr virus-encoded RNA, with germline T-cell receptor gene and the monoclonal rearrangement of IgH gene...
October 24, 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/29056540/a-phase-ii-study-of-methotrexate-etoposide-dexamethasone-and-pegaspargase-sandwiched-with-radiotherapy-in-the-treatment-of-newly-diagnosed-stage-ie-to-iie-extranodal-natural-killer-t-cell-lymphoma-nasal-type
#2
Peng-Peng Xu, Jie Xiong, Shu Cheng, Xia Zhao, Chao-Fu Wang, Gang Cai, Hui-Juan Zhong, Heng-Ye Huang, Jia-Yi Chen, Wei-Li Zhao
BACKGROUND: A phase II study of methotrexate, etoposide, dexamethasone, and pegaspargase (MESA) sandwiched with radiotherapy for newly diagnosed, stage IE-IIE extranodal natural-killer/T-cell lymphoma, nasal-type (ENKTL) was conducted to explore its clinical efficacy and safety, as well as novel serum biomarkers upon anti-metabolic treatment. METHODS: Four cycles of MESA sandwiched with radiotherapy were administered. The primary end point was the overall response rate (ORR)...
October 12, 2017: EBioMedicine
https://www.readbyqxmd.com/read/29025287/-incidence-and-treatment-of-extranodal-natural-killer-t-cell-lymphoma-nasal-type-hungarian-experiences
#3
Annamária Bakos, Árpád Szomor, Tamás Schneider, Zsófia Miltényi, Imelda Marton, Zita Borbényi, Judit Pammer, László Krenács, Enikő Bagdi, Klára Piukovics
INTRODUCTION: Extranodal natural killer/T (NK/T) cell lymphoma, nasal type (ENKTL) represents a rare subtype of T-cell lymphomas with aggressive clinical behavior according to WHO 2016 classification. AIM: ENKTL has distinctive geographic distribution with higher incidence in Asia and Latin America (10% of all non-Hodgkin lymphoma cases), than in Europe and North America (<1%). ENKTL tipically origins from nasopharynx and upper aerodigestive tract. Anthracycline-based chemotherapy regimens are largely ineffective in the treatment of ENKTL...
October 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28980517/comparison-of-chemoradiotherapy-with-radiotherapy-alone-for-early-stage-extranodal-natural-killer-t-cell-lymphoma-nasal-type-in-elderly-patients
#4
Chang Su, Kevin A Nguyen, Harrison X Bai, Dhikshitha Balaji, Ya Cao, Giorgos Karakousis, Paul J Zhang, Guiying Zhang, Rong Xiao
It remains controversial whether concurrent or subsequent chemoradiotherapy (CRT) provides additional survival benefits when compared to radiotherapy (RT) alone in localized extranodal natural killer/T-cell lymphoma (ENKTL), nasal type We identified 248 patients from the US National Cancer Data Base who were diagnosed with localized ENKTL from 2004-2014; 68.9% received CRT and 31.1% received RT alone. Over time, the use of CRT increased, while the use of RT alone decreased (p < .001). On multivariate analysis, CRT was associated with longer OS than RT alone (HR: 0...
October 5, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28947989/intensity-modulated-radiotherapy-has-superior-outcomes-to-three-dimensional-conformal-radiotherapy-in-patients-with-stage-ie-iie-extranodal-nasal-type-natural-killer-t-cell-lymphoma
#5
Yi-Yang Li, Hai-Qun Lin, Lu-Lu Zhang, Ling-Ling Feng, Shao-Qing Niu, Han-Yu Wang, Yu-Jing Zhang, Xi-Cheng Wang
We compared the treatment outcomes, toxicities and prognoses of patients with stage IE-IIE extranodal natural killer/T-cell lymphoma (ENKTL) treated with intensity-modulated radiotherapy (IMRT) or three-dimensional conformal radiotherapy (3DCRT). Newly diagnosed early-stage ENKTL patients (N = 173) were enrolled and received extended involved-field radiotherapy following induction chemotherapy. Patients were treated with 3DCRT (n = 98) or IMRT (n = 75). One-to-one matching of the IMRT and 3DCRT groups was performed through propensity score matching, which yielded 23 pairs of patients...
September 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28937369/study-of-association-of-epstein-barr-virus-in-lymphomas-by-epstein-barr-virus-encoded-rna-in-situ-hybridization-an-indian-perspective-from-a-tertiary-care-cancer-institute
#6
Roshani Gala, Jatin S Gandhi, Gurudutt Gupta, Shrruti K Grover, Anila Sharma, Sunil Pasricha, Anurag Mehta
BACKGROUND: The Epstein-Barr virus (EBV), also called human herpesvirus 4, is a virus of the herpes family. The EBV-associated lymphomas include Burkitt lymphoma, classic Hodgkin lymphoma (HL), lymphomas arising in immunocompromised individuals, peripheral T-cell lymphomas, angioimmunoblastic T-cell lymphoma, extranodal nasal-type natural killer/T-cell lymphoma, and other rare histotypes. OBJECTIVE: The present study evaluated the role of EBV as an etiologic agent in various lymphomas and determined an Indian perspective in a tertiary care cancer center compared to that of Western literature...
July 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28928855/association-between-extranodal-natural-killer-t-cell-lymphoma-and-hepatitis-b-viral-infection-a-case-control-study
#7
Kefeng Wang, Hang Yang, Wenjun He, Yi Xia, Zhongjun Xia, Su Li, Huiqiang Huang, Zhiming Li, Panpan Liu, Wenqi Jiang
Extranodal natural killer/T-cell lymphoma, nasal type (ENKTL) is a rare subtype of lymphoma that is often associated with poor clinical prognosis. Several studies have shown that hepatitis B virus (HBV) infection may be associated with increased risk of B-cell non-Hodgkin lymphoma; however, because of the rarity of ENKTL, little is known about its association with HBV. Our study aimed to assess whether HBV infection was associated with increased odds of ENKTL. We conducted a hospital-based case-control study including 417 ENKTL cases and 488 age- and sex-matched subjects with nonmalignant diseases unrelated to HBV infection...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28911074/beyond-first-line-non-anthracycline-based-chemotherapy-for-extranodal-nk-t-cell-lymphoma-clinical-outcome-and-current-perspectives-on-salvage-therapy-for-patients-after-first-relapse-and-progression-of-disease
#8
S H Lim, J Y Hong, S T Lim, H Hong, J Arnoud, W Zhao, D H Yoon, T Tang, J Cho, S Park, Y H Ko, S J Kim, C Suh, T Lin, W S Kim
Background: Current standard treatment, including non-anthracycline-based chemotherapy and optimal combining of radiotherapy, has dramatically improved outcomes of patients with extranodal natural killer/T-cell lymphoma (ENKTL) during the last decade. This study was conducted to investigate the clinical outcome of ENKTL patients with relapsed or progressive disease after initial current standard therapy. Patients and methods: We retrospectively reviewed patients diagnosed with ENKTL at six centers in four countries (China, France, Singapore, and South Korea) from 1997 to 2015 and analyzed 179 patients who had relapsed or progressed after initial current standard therapy...
September 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28887511/hemoglobin-level-a-prognostic-factor-for-nasal-extranodal-natural-killer-t-cell-lymphoma-patients-from-stage-i-to-iv-a-validated-prognostic-nomogram
#9
Jianzhong Cao, Shengmin Lan, Liuhai Shen, Hongwei Si, Huan Xiao, Qiang Yuan, Xue Li, Hongwei Li, Ruyuan Guo
Although nasal extranodal natural killer/T-cell lymphoma (nasal ENKL) shares some prognostic factors with other lymphomas, seldom studies had explored the prognostic value of hemoglobin. The ENKL cases in stage I-IV during 2000 to 2015 were collected from two medical centers (group A, n = 192), and were randomly divided into the group B (n = 155) and C (n = 37). Although the significant factors identified by the univariate analysis differed between the group A and B, the multivariate Cox regression indicated the same factors...
September 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28877678/extranodal-natural-killer-t-cell-lymphoma-in-malawi-a-report-of-three-cases
#10
Tamiwe Tomoka, Eric Powers, Toon van der Gronde, Amy Amuquandoh, Bal Mukunda Dhungel, Coxcilly Kampani, Steve Kamiza, Nathan D Montgomery, Yuri Fedoriw, Satish Gopal
BACKGROUND: Extranodal NK/T-cell lymphoma (ENKTCL) reports from sub-Saharan Africa (SSA) are remarkably rare, despite early childhood acquisition and high prevalence of the causative infectious agent, Epstein-Barr virus (EBV), and frequent occurrence of other lymphoproliferative disorders causally associated with EBV. CASE PRESENTATIONS: At a national teaching hospital in Malawi, three patients of African descent were seen with ENKTCL between 2013 and 2014. Patients were aged between 29 and 60 years, two with craniofacial involvement and one with a primary abdominal tumor, and all were HIV-negative...
September 6, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28875622/primary-pulmonary-extranodal-natural-killer-t-cell-lymphoma-nasal-type-presenting-as-diffuse-ground-glass-opacities-a-case-report
#11
MyungJin Song, Ji Ye Kim, Ji Soo Choi, Bora Yoon, MooHyun Kim, Soo Jeong Kim, Song Yee Kim
Extranodal natural killer (NK)/T-cell lymphoma, nasal type (ENKTCL) is a rare type of lymphoma that accounts for only 5%-18% of all cases of non-Hodgkin lymphoma (NHL). In published series, 60%-90% of NK/T-cell lymphomas are localized to the nasal and upper airway. We describe a 55-year man who presented with cough, sputum, dyspnea on exertion, and a chest computed tomography scan shows diffuse ground glass opacities (GGOs), suggestive of an interstitial lung disease. He was treated with a corticosteroid and his symptoms improved...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28874193/extranodal-nasal-type-natural-killer-t-cell-lymphoma-with-penile-involvement-a-case-report-and-review-of-the-literature
#12
Xiaotian Wang, Zimu Gong, Shawn Xiang Li, Wei Yan, Yongsheng Song
BACKGROUND: Extranodal natural killer/T-cell lymphoma (ENKTL) usually presents as a localized disease in the nasal cavity; extension to the male genitourinary system is very rare and has been characterized only recently. Most cases present with predominantly extranodal involvement, advanced stage disease, highly aggressive course, and strong association with Epstein-Barr virus (EBV). While metastasis is common in ENKTLs, the penis is rarely involved in both nasal and non-nasal ENKTLs and only one report was published to date...
September 6, 2017: BMC Urology
https://www.readbyqxmd.com/read/28858180/predictive-approaches-for-post-therapy-pet-ct-in-patients-with-extranodal-natural-killer-t-cell-lymphoma-a-retrospective-study
#13
Chong Jiang, Jie Liu, Li Li, Russell O Kosik, Minggang Su, Liqun Zou, Rong Tian
PURPOSE: The aim of this study was to assess the prognostic capacity of three methods of fluorine-18-fluorodeoxyglucose (F-FDG) PET/CT analysis carried out after therapy in patients with extranodal natural killer/T-cell lymphoma (ENKTL). The three methods of PET/CT analysis included the International Harmonization Project (IHP) criteria, the Deauville five-point scale (5-PS), and standardized uptake value (SUV)-based assessment. PATIENTS AND METHODS: Fifty-nine patients diagnosed with ENKTL were enrolled...
November 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28856590/autologous-hematopoietic-stem-cell-transplantation-may-improve-long-term-outcomes-in-patients-with-newly-diagnosed-extranodal-natural-killer-t-cell-lymphoma-nasal-type-a-retrospective-controlled-study-in-a-single-center
#14
Jingwen Wang, Liqiang Wei, Jin Ye, Lei Yang, Xin Li, Jia Cong, Na Yao, Xueying Cui, Yiping Wu, Jing Ding, Le Zhang
Extranodal natural killer/T-cell lymphoma, nasal type (ENKTL) is a rare disease with a poor prognosis. The long-term effect of autologous hematopoietic stem cell transplantation (auto-HSCT) on ENKTL has been reported occasionally but needs further investigation. In this retrospective study from a single center, 20 ENKTL patients who received induction chemotherapy followed by auto-HSCT ± involved-field radiotherapy (IFRT) ± additional chemotherapy were enrolled as a study group. Another 60 fit ENKTL patients who received induction chemotherapy ± IFRT ± additional chemotherapy were selected as the control group...
August 30, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28855986/treatment-of-relapsed-extranodal-natural-killer-t-cell-lymphoma-with-bortezomib-plus-fludarabine
#15
Chen Chen, Hongmin He
Extranodal NK/T cell lymphoma (ENKL) is a rare entity, associated with an aggressive clinical behavior and poor prognosis. The optimal treatment strategies, particularly for relapsed patients, have not been clearly determined. A 40-year-old female ENKL patient with orbital involvement as the first presentation was initially suspected to have an orbital pseudotumor. When the patient developed disease progression following treatment with methylprednisolone, biopsy of the orbital mass was performed. Histopathological examination of the biopsy specimen was consistent with the diagnosis of ENKL (Ann Arbor stage IE)...
October 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28790853/a-systematic-comparison-of-treatment-modalities-for-nasal-extranodal-natural-killer-t-cell-lymphoma-in-early-stages-between-concurrent-chemoradiotherapy-and-sequential-chemotherapy
#16
Ming Qian, Hengmin Tao, Wei Xu, Hongzhi Ji
AIM: Nasal extranodal natural killer/T-cell lymphoma (nasal ENKTL), which is strongly associated with the Epstein-Barr virus infection, is a common disease in Asia and Latin America. We conducted a retrospective study to compare the overall survival (OS) following concurrent or sequential treatment with radiotherapy and chemotherapy in patients with early stage ENKTL. PATIENTS AND METHODS: The records of 58 cases from between 2000 to 2010 were retrieved. Of these, 28 patients (15 males, with median age of 51 years) were treated with sequential chemotherapy followed by radiotherapy (SCRT) and 30 patients (17 males, with median age of 46 years) were treated with concurrent chemoradiotherapy (CCRT)...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28756771/prognostic-role-of-abo-blood-type-in-patients-with-extranodal-natural-killer-t-cell-lymphoma-nasal-type-a-triple-center-study
#17
Ya-Jun Li, Ping-Yong Yi, Ji-Wei Li, Xian-Ling Liu, Tian Tang, Pei-Ying Zhang, Wen-Qi Jiang
BACKGROUND: The prognostic significance of ABO blood type for lymphoma is largely unknown. We evaluated the prognostic role of ABO blood type in patients with extranodal natural killer (NK)/T-cell lymphoma (ENKTL). METHODS: We retrospectively analyzed clinical data of 697 patients with newly diagnosed ENKTL from three cancer centers. The prognostic value of ABO blood type was evaluated using Kaplan-Meier curves and Cox proportional hazard models. The prognostic values of the International Prognostic Index (IPI) and the Korean Prognostic Index (KPI) were also evaluated...
July 31, 2017: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/28754096/successful-treatment-with-anti-programmed-death-1-antibody-in-a-relapsed-natural-killer-t-cell-lymphoma-patient-with-multi-line-resistance-a-case-report
#18
Jianping Lai, Peng Xu, Xiaoliu Jiang, Shan Zhou, Anwen Liu
BACKGROUND: Extranodal natural killer/T-cell lymphoma (NKTCL), nasal type, is an aggressive malignancy with poor prognosis. Currently, there is no recommended standard therapy for relapsed NKTCL. CASE PRESENTATION: A 37-year-old woman with lymphadenopathy was diagnosed with NKTCL by biopsy of an enlarged lymph node on the right side of her neck. Enhanced computed tomography revealed no metastasis. For this patient, we performed continuous chemotherapy followed by radiotherapy; however, nodule biopsy showed metastases in her lower limbs 3 months after radiotherapy, which confirmed disease progression...
July 28, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28748192/extranodal-nk-t-cell-lymphoma-nasal-type-presenting-as-refractory-pseudomonas-aeruginosa-facial-cellulitis
#19
Erika Reategui Schwarz, Katerina G Oikonomou, Megan Reynolds, Juliette Kim, Rajeev L Balmiki, Stephanie A Sterling
Extranodal natural killer T-cell lymphoma, nasal type (ENKL), formerly called lethal midline granuloma or angiocentric T-cell lymphoma, is a predominantly extranodal non-Hodgkin lymphoma characterized by vascular damage, necrosis, and an association with Epstein-Barr virus. In the United States, it is more frequently seen in Asian, Asian Pacific Islander, and Hispanic descent populations and is more prevalent in males in their fifth decade. Clinical presentation of NK nasal lymphoma most commonly involves epistaxis; obstruction; discharge; destructive mass in sinuses, palate, and nose; and skin ulceration...
July 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28695659/epstein-barr-virus-negative-extranodal-true-natural-killer-cell-lymphoma-harbouring-a-kdm6a-mutation
#20
Naoko Tsuyama, Reimi Asaka, Akito Dobashi, Satoko Baba, Yuko Mishima, Kyoko Ueda, Masahiko Oguchi, Hideki Tsuji, Kiyohiko Hatake, Kengo Takeuchi
Extranodal natural killer (NK)/T-cell lymphoma, nasal type (ENKTL) is an extranodal aggressive T or NK-cell lymphoma that is characteristically associated with Epstein-Barr virus (EBV) infection and cytotoxic tissue-destructive features. Although ENKTL is described as a distinct entity according to the 2008 WHO classification, a considerable complexity is associated with the differential diagnosis of other T-cell lymphomas with respect to tumour cell origins, locations, and the presence of EBV infection, as well as molecular and cytogenetic abnormalities...
July 10, 2017: Hematological Oncology
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