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extranodal natural killer cell lymphoma

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https://www.readbyqxmd.com/read/29764116/circulating-low-absolute-cd4-t-cell-counts-may-predict-poor-prognosis-in-extranodal-nk-t-cell-lymphoma-patients-treating-with-pegaspargase-based-chemotherapy
#1
Ya-Ping Zhang, Run Zhang, Hua-Yuan Zhu, Li Wang, Yu-Jie Wu, Jin-Hua Liang, Wen-Yu Shi, Hong Liu, Wei Xu, Jian-Yong Li
Purpose: Extranodal natural killer/T cell lymphoma, nasal type (ENKTL) is a rare subtype of non-Hodgkin lymphoma, and asparaginase-based regimens are the best first-line treatments. Data on the role of specific circulating lymphocyte subsets in the progression of ENKTL are limited. The aim of this study was to investigate the clinical correlation and distribution of circulating absolute CD4+ T-cell counts (ACD4Cs) in ENKTL. Materials and Methods: We retrospectively searched medical records for 70 newly diagnosed ENKTL patients treated with pegaspargase-based regimens...
May 14, 2018: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/29760798/a-multicenter-retrospective-comparison-of-sequential-versus-sandwich-chemoradiotherapy-for-stage-ie-iie-extranodal-natural-killer-t-cell-lymphoma-nasal-type
#2
Jin Li, Yajun Li, Meizuo Zhong, Wei Liu, Xianling Liu, Jiwei Li, Kunlun Li, Pingyong Yi
Background: Chemotherapy and radiotherapy are critical for treating early-stage extranodal natural killer/T-cell lymphoma, nasal type (ENKTL); however, the optimal therapy sequence remains unclear. Therefore, we performed this study to compare the efficacy of L-asparaginase/pegaspargase-based sequential versus sandwich chemoradiotherapy for patients newly diagnosed with stage IE-IIE ENKTL. Methods: Patients were categorized into sequential ( N = 111) and sandwich ( N = 104) groups. Chemotherapy regimens included GELOX, SMILE, and VLP...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29731565/t-cell-lymphoma-of-oral-cavity-a-rare-entity
#3
Preethi Sharma, Madhuri Gawande, Minal Chaudhary, Rajul Ranka
Lymphomas are heterogeneous malignancies of the lymphatic system characterized by lymphoid cell proliferation. They can broadly be divided into Hodgkin's lymphoma (HL) and non-HL (NHL). NHL can originate from B, T or natural killer lymphocytes. Extranodal presentation of T-cell NHL is extremely rare and is often seen in immunocompromised individuals. Here, we report a rare case of T-cell lymphoma of the oral cavity in a 13-year-old patient. The patient was diagnosed to have T-cell lymphoma on the basis of biopsy and immunohistochemistry and was referred to the oral surgery department for definite treatment...
January 2018: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/29725484/penile-metastasis-secondary-to-nasal-type-extranodal-natural-killer-t-cell-lymphoma-a-case-report-and-review-of-the-literature
#4
Yanan Li, Xiaorui Fu, Jingjing Wu, Chang Yu, Zhaoming Li, Zhenchang Sun, Jiaqin Yan, Feifei Nan, Xundong Zhang, Ling Li, Xin Li, Lei Zhang, Wencai Li, Guannan Wang, Mingzhi Zhang
Extranodal natural killer/T-cell lymphoma (NKTL), nasal-type is one of the most aggressive lymphoid malignancies and is characterized by an extremely poor survival outcome. The present study reports the case of a 39-year-old Chinese male with history of extranodal NKTL who presented with a painless indurated mass in the glans penis. The results of an incisional biopsy revealed atypical cells that were positive for CD3, CD56, T-cell-restricted intracellular antigen-1, granzyme B and Epstein-Barr virus-encoded RNA, and negative for CD20...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29719018/nk-t-cell-lymphoma-nasal-type-%C3%AE-%C3%AE-t-cell-lymphoma-and-cd8-positive-epidermotropic-t-cell-lymphoma-clinical-and-histopathologic-features-differential-diagnosis-and-treatment
#5
Shamir Geller, Patricia L Myskowski, Melissa Pulitzer
The cytotoxic lymphomas of the skin constitute a heterogeneous group of rare lymphoproliferative diseases that are derived from mature T cells and natural killer (NK) cells that express cytotoxic molecules (T-cell intracellular antigen- 1, granzyme A/B, and perforin). Although frequently characterized by an aggressive course and poor prognosis, these diseases can have variable clinical behavior. This review delivers up-to-date information about the clinical presentation, histopathologic features, differential diagnosis, and therapy of extranodal NK/T-cell lymphoma, nasal type, primary cutaneous gamma delta T-cell lymphoma, and primary cutaneous CD8+ aggressive epidermotropic cytotoxic T-cell lymphoma...
March 2018: Seminars in Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/29712887/short-course-versus-long-course-chemoradiotherapy-for-stage-ie-iie-extranodal-natural-killer-t-cell-lymphoma-nasal-type-a-multicenter-retrospective-study
#6
Jin Li, Yajun Li, Meizuo Zhong, Xianling Liu, Yinghui Song, Jiwei Li, Kunlun Li, Pingyong Yi
BACKGROUND This study compared clinical outcomes and adverse events between L-asparaginase/pegaspargase-based short-course and long-course chemoradiotherapy in newly diagnosed stage IE-IIE extranodal natural killer/T cell lymphoma, nasal type (ENKTL). MATERIAL AND METHODS Patients were categorized into a short-course (2-4 chemotherapy cycles, median: 4, n=153) and long-course group (5-6 cycles, median: 6, n=83). The chemotherapy regimens included GELOX, SMILE, and VLP. The radiotherapy dose was 40-63 Gy (median: 55 Gy)...
May 1, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29674644/aggressive-natural-killer-cell-leukemia-mutational-landscape-and-drug-profiling-highlight-jak-stat-signaling-as-therapeutic-target
#7
Olli Dufva, Matti Kankainen, Tiina Kelkka, Nodoka Sekiguchi, Shady Adnan Awad, Samuli Eldfors, Bhagwan Yadav, Heikki Kuusanmäki, Disha Malani, Emma I Andersson, Paavo Pietarinen, Leena Saikko, Panu E Kovanen, Teija Ojala, Dean A Lee, Thomas P Loughran, Hideyuki Nakazawa, Junji Suzumiya, Ritsuro Suzuki, Young Hyeh Ko, Won Seog Kim, Shih-Sung Chuang, Tero Aittokallio, Wing C Chan, Koichi Ohshima, Fumihiro Ishida, Satu Mustjoki
Aggressive natural killer-cell (NK-cell) leukemia (ANKL) is an extremely aggressive malignancy with dismal prognosis and lack of targeted therapies. Here, we elucidate the molecular pathogenesis of ANKL using a combination of genomic and drug sensitivity profiling. We study 14 ANKL patients using whole-exome sequencing (WES) and identify mutations in STAT3 (21%) and RAS-MAPK pathway genes (21%) as well as in DDX3X (29%) and epigenetic modifiers (50%). Additional alterations include JAK-STAT copy gains and tyrosine phosphatase mutations, which we show recurrent also in extranodal NK/T-cell lymphoma, nasal type (NKTCL) through integration of public genomic data...
April 19, 2018: Nature Communications
https://www.readbyqxmd.com/read/29627879/significance-of-circulating-epstein-barr-virus-dna-monitoring-after-remission-in-patients-with-extranodal-natural-killer-t-cell-lymphoma
#8
Jinhyun Cho, Seok Jin Kim, Silvia Park, Kwai Han Yoo, Chang-Seok Ki, Younghyeh Ko, Won Seog Kim
Circulating Epstein-Barr virus (EBV)-DNA has been established as a useful parameter for diagnosis and predicting prognosis in patients with extranodal natural killer T cell lymphoma (ENKTL); however, the role of monitoring of circulating EBV-DNA after complete remission (CR) is not well established. From January 2008 to August 2016, 328 ENKTL patents were enrolled in 2 lymphoma cohorts. Of 171 patients achieved a CR, 81 had available monitoring data for circulating EBV-DNA with negative post-treatment EBV-DNA...
April 8, 2018: Annals of Hematology
https://www.readbyqxmd.com/read/29602763/advances-in-the-treatment-of-extranodal-nk-t-cell-lymphoma-nasal-type
#9
Motoko Yamaguchi, Ritsuro Suzuki, Masahiko Oguchi
Extranodal natural killer/T-cell lymphoma, nasal type (ENKL) is a subtype of mature T- and NK-cell lymphomas characterized by its association with Epstein-Barr virus and extranodal involvement. Although there is geographic variance in the frequency of ENKL, its clinical features are similar between Western countries and endemic areas, such as East Asia. Anthracycline-containing chemotherapy is not recommended to treat ENKL. No standard treatment has been established based on the results of randomized controlled trials...
March 30, 2018: Blood
https://www.readbyqxmd.com/read/29601137/early-disease-progression-in-patients-with-localized-nk-t-cell-lymphoma-treated-with-concurrent-chemoradiotherapy
#10
Motoko Yamaguchi, Ritsuro Suzuki, Seok Jin Kim, Young Hyeh Ko, Masahiko Oguchi, Naoko Asano, Kana Miyazaki, Yasuhiko Terui, Nobuko Kubota, Takeshi Maeda, Yukio Kobayashi, Jun Amaki, Toshinori Soejima, Bungo Saito, Emiko Shimoda, Noriko Fukuhara, Norifumi Tsukamoto, Kazuyuki Shimada, Ilseung Choi, Takahiko Utsumi, Yasuo Ejima, Won Seog Kim, Naoyuki Katayama
The prognosis of patients with localized nasal extranodal natural killer/T-cell lymphoma, nasal type (ENKL) has been improved by non-anthracycline-containing treatments such as concurrent chemoradiotherapy (CCRT). However, some patients experience early disease progression. To clarify the clinical features and outcomes of these patients, data from 165 patients with localized nasal ENKL who were diagnosed between 2000 and 2013 at 31 institutes in Japan and who received radiotherapy with dexamethasone, etoposide, ifosfamide, and carboplatin (RT-DeVIC) were retrospectively analyzed...
March 30, 2018: Cancer Science
https://www.readbyqxmd.com/read/29558489/prognostic-value-of-baseline-interim-and-end-of-treatment-18f-fdg-pet-ct-parameters-in-extranodal-natural-killer-t-cell-lymphoma-a-meta-analysis
#11
Hongxi Wang, Guohua Shen, Chong Jiang, Li Li, Futao Cui, Rong Tian
METHODS: We searched the PubMed, EMBASE, Cochrane Library and Medline databases for eligible articles. SUVmax, MTV, and TLG on B-PET/CT, DS on I-PET/CT and DS on E-PET/CT were regarded as efficacy data. Combined hazard ratios (HRs) for progression-free survival (PFS) and overall survival (OS) were estimated using RevMan 5.3 software. RESULTS: Nine trials with a total of 535 ENKTL patients were included. SUVmax, MTV and TLG on B-PET/CT were significantly associated with PFS with HRs of 2...
2018: PloS One
https://www.readbyqxmd.com/read/29518976/ebv-positive-lymphoproliferations-of-b-t-and-nk-cell-derivation-in-non-immunocompromised-hosts
#12
REVIEW
Stefan D Dojcinov, Falko Fend, Leticia Quintanilla-Martinez
The contribution of Epstein-Barr virus (EBV) to the development of specific types of benign lymphoproliferations and malignant lymphomas has been extensively studied since the discovery of the virus over the last 50 years. The importance and better understanding of the EBV-associated lymphoproliferative disorders (LPD) of B, T or natural killer (NK) cell type has resulted in the recognition of new entities like EBV+ mucocutaneous ulcer or the addition of chronic active EBV (CAEBV) infection in the revised 2016 World Health Organization (WHO) lymphoma classification...
March 7, 2018: Pathogens
https://www.readbyqxmd.com/read/29499908/cd21-independent-epstein-barr-virus-entry-into-nk-cells
#13
Jeong Hoo Lee, Jahyang Choi, Yong-Oon Ahn, Tae Min Kim, Dae Seog Heo
Extranodal natural killer (NK)/T-cell lymphoma is an aggressive malignant disease that is associated with Epstein-Barr viral (EBV) infection. To date, the mechanism of viral entry into NK cells remains uncertain. Here, we investigated this mechanism using human NK cells in vitro. CD21 mRNA expression, an EBV-entry receptor, was transiently detected in NK cells after exosome treatment, and levels decreased after further culture. CD21 protein expression was also transiently transferred to NK cells after co-culture with an EBV-positive Burkitt lymphoma cell line (Raji) via trogocytosis...
May 2018: Cellular Immunology
https://www.readbyqxmd.com/read/29496492/quantitative-proteomics-of-csf-reveals-potential-predicted-biomarkers-for-extranodal-nk-t-cell-lymphoma-of-nasal-type-with-ethmoidal-sinus-metastasis
#14
Yanqiu Gong, Wenchen Pu, Hongyu Jin, Pei Yang, Hao Zeng, Yuqi Wang, Fuwen Pang, Xuelei Ma
AIM: Extranodal natural killer cell/T-cell lymphoma of nasal-type (NKTCL) is an aggressive human lymphoma, but its predicted biomarkers after chemotherapy are less known. The aim of this study is to find some potential predicted biomarkers in cerebrospinal fluid (CSF) of NKTCL patients with ethmoidal sinus metastasis (NESM). MATERIALS AND METHODS: The CSF samples were obtained from NKTCL patients with NESM before and after chemotherapy from Cancer Center of West China Hospital...
April 1, 2018: Life Sciences
https://www.readbyqxmd.com/read/29455176/late-diagnosis-a-case-of-rapidly-progressive-extranodal-nk-t-cell-lymphoma-nasal-type
#15
Hiroyuki Mori, Kei Ebisawa, Mitsushige Nishimura, Kenji Kanazawa
Extranodal natural killer (NK)/T cell lymphoma, nasal type is a condition that has poor prognosis. Accurate diagnosis of lymphoma is made by pathological findings. We report a case of extranodal NK/T cell lymphoma, nasal type affecting the lung and liver and which was difficult to diagnose because of negative biopsy results from multiple sites. A 39-year-old man who had dry cough and fever for 1 month was referred to our hospital. He had pancytopenia and elevated serum levels of lactate dehydrogenase and soluble interleukin-2 receptor...
February 17, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29451197/erratum-extranodal-natural-killer-t-cell-lymphoma-nasal-type-presenting-as-recurrent-facial-cellulitis
#16
(no author information available yet)
[This corrects the article DOI: 10.4103/ijdvl.IJDVL_687_16.].
2018: Indian Journal of Dermatology, Venereology and Leprology
https://www.readbyqxmd.com/read/29439173/nccn-guidelines-insights-t-cell-lymphomas-version-2-2018
#17
Steven M Horwitz, Stephen M Ansell, Weiyun Z Ai, Jeffrey Barnes, Stefan K Barta, Michael Choi, Mark W Clemens, Ahmet Dogan, John P Greer, Ahmad Halwani, Bradley M Haverkos, Richard T Hoppe, Eric Jacobsen, Deepa Jagadeesh, Youn H Kim, Matthew A Lunning, Amitkumar Mehta, Neha Mehta-Shah, Yahurio Oki, Elise A Olsen, Barbara Pro, Saurabh A Rajguru, Satish Shanbhag, Andrei Shustov, Lubomir Sokol, Pallawi Torka, Ryan Wilcox, Basem William, Jasmine Zain, Mary A Dwyer, Hema Sundar
Natural killer (NK)/T-cell lymphomas are a rare and distinct subtype of non-Hodgkin's lymphomas. NK/T-cell lymphomas are predominantly extranodal and most of these are nasal type, often localized to the upper aerodigestive tract. Because extranodal NK/T-cell lymphomas (ENKL) are rare malignancies, randomized trials comparing different regimens have not been conducted to date and standard therapy has not yet been established for these patients. These NCCN Guidelines Insights discuss the recommendations for the diagnosis and management of patients with ENKL as outlined in the NCCN Guidelines for T-Cell Lymphomas...
February 2018: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/29430232/linfoma-nasal-de-c%C3%A3-lulas-t-natural-killer-extranodal-refractario-mal-diagnosticado-tratado-de-manera-exitosa-informe-de-caso
#18
José Domingo Saavedra Ramírez
El linfoma de células T/natural killer extranodal ("extranodal natural killer/T-cell lymphoma", ENKL) nasal es un linfoma no Hodgkin (LNH) agresivo y poco común para el cual no se ha establecido un tratamiento de referencia claro, especialmente en el escenario de la enfermedad recidivante/refractaria. Debido a su rareza, no se han llevado a cabo ensayos aleatorizados específicamente en ENKL nasal; sin embargo, los informes de caso y las series de caso pequeñas ofrecen un conocimiento importante sobre nuevos tratamientos potenciales...
September 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/29407271/extranodal-natural-killer-t-cell-lymphoma-masquerading-a-diabetic-foot-ulcer
#19
Di Zhu, Xiaotian Zhang, Da Zhang, Teng Li, Caizhe Yang
Foot ulcers are among the most frequently recognized complications of diabetes. It's easy to misdiagnose ulcers secondary to malignancy as diabetic foot ulceration because of the clinical similarity. Here we present a case of extranodal natural killer/T-cell lymphoma initially presented as a diabetic foot ulcer.
March 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29400283/extranodal-natural-killer-t-cell-lymphoma-nasal-type-a-spanish-multicentric-retrospective-survey
#20
Eduardo Rozas-Muñoz, Fernando Gallardo, Ramon Maria Pujol, Amparo Pérez-Ferriols, Octavio Servitje, Teresa Estrach, Jesus Bastida, Concha Román, Lucia Palacio-Aller, Inmaculada Gil, Rosa Maria Martí, David Vidal-Sarró, María Pilar García-Muret
BACKGROUND: Extranodal natural killer/T-cell lymphoma, nasal type (ENKTL) is an aggressive lymphoma with a very low incidence in western populations. OBJECTIVE: To review the clinicopathological features and outcome of a multicentre series of ENKTL in Spain. MATERIALS & METHODS: A multicentre retrospective study was performed based on cases of ENKTL, collected from 1995 to 2004, from 12 dermatology departments included in the Spanish Lymphoma Study Group...
February 1, 2018: European Journal of Dermatology: EJD
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