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Lymphoma, leukemia, lymph node

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https://www.readbyqxmd.com/read/29449436/mixed-species-rnaseq-analysis-of-human-lymphoma-cells-adhering-to-mouse-stromal-cells-identifies-a-core-gene-set-that-is-also-differentially-expressed-in-the-lymph-node-microenvironment-of-mantle-cell-lymphoma-and-chronic-lymphocytic-leukemia-patients
#1
Gustav Arvidsson, Johan Henriksson, Birgitta Sander, Anthony P Wright
A subset of hematological cancer patients is refractory to treatment or suffers relapse, due in part to minimal residual disease, whereby some cancer cells survive treatment. Cell-adhesion mediated drug resistance is an important mechanism, whereby cancer cells receive survival signals via interaction with e.g. stromal cells. No genome-wide studies of in vitro systems have yet been performed to compare gene expression in different cell subsets within a co-culture and cells grown separately. Using RNA sequencing and species-specific read mapping, we compared transcript levels in human Jeko-1 mantle cell lymphoma cells stably adhered to mouse MS-5 stromal cells or in suspension within a co-culture or cultured separately as well as in stromal cells in co-culture or in separate culture...
February 15, 2018: Haematologica
https://www.readbyqxmd.com/read/29434969/a-unique-bone-marrow-lymphoma-patient-presenting-with-an-isolated-mass-a-case-report
#2
Yi-Wen Xu, Ming-Hui Duan
Bone marrow lymphoma with the onset of an isolated mass in the bone marrow is extremely rare. The present case report described a unique case of B cell lymphoblastic lymphoma (LBL) presenting with an isolated mass in the bone marrow cavity, without any organopathy or lymphadenopathy. An isolated mass in bone marrow is a rare primary manifestation of LBL. The patient in the present case report presented with pain in the right elbow, a fever, pancytopenia and splenomegaly. Additionally, no abnormality was determined in the lymph nodes, the bone marrow karyotype or a computed tomography scan of the humerus...
February 2018: Oncology Letters
https://www.readbyqxmd.com/read/29419478/18f-fludarabine-pet-for-lymphoma-imaging-first-in-man-study-in-dlbcl-and-cll-patients
#3
Sylvain Chantepie, Narinée Hovhannisyan, Stéphane Guillouet, Jean-Pierre Pelage, Méziane Ibazizene, Caroline Bodet-Milin, Thomas Carlier, Anne-Claire Gac, Emilie Réboursière, Jean-Pierre Vilque, Françoise Kraeber-Bodéré, Alain Manrique, Gandhi Damaj, Michel Leporrier, Louisa Barré
This is the first in-man clinical study of 18F-fludarabine which is a radiopharmaceutical for PET imaging in lymphoma where many issues remain controversial with the standard radiotracer 18F-FDG. Methods:18F-Fludarabine-PET(/CT) was performed in 10 patients: five with diffuse large B-cell lymphoma (DLBCL) and five with chronic lymphocytic leukemia (CLL). The biodistribution, and radiation dosimetry of 18F-fludarabine have also been evaluated. Six successive partial body PET scans were acquired for 250 min after intravenous 4 MBq/kg bolus of 18F-fludarabine...
February 1, 2018: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/29397833/-c-myc-gene-and-protein-expression-in-paraffin-wax-of-t-lymphoblastic-lymphoma-and-leukemia-patients-and-its-effect-on-the-prognosis
#4
Xiao-Dong Zhang, Li-Ming He, Lei Ma, Zhang-Guo Chang
OBJECTIVE: To explore the relevance between the expression of C-MYC gene and protein of patients with T lymphoblastic lymphoma and leukemia(T-LBL/ALL) and its effect on the prognosis. METHODS: Paraffin specimens from 60 cases of T-LBL/ALL with detailed follow-up during May 2005 to May 2016 were selected as study group; at same time 20 cases of reactive hyperplasia (RH) of lymphonuedes were selected as control group. The immunohistochemical EnVision method was used to mark the terminal deoxynucleotidyl transferase (TDT), myeloperoxidase (MPO), Ki-67 and C-MYC immune tissue...
February 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29396936/flow-cytometry-in-pediatric-malignancies
#5
Anil Handoo, Tina Dadu
The utility of flow cytometry as a useful diagnostic modality for the assessment of hematopoietic neoplasms has been established beyond doubt. In fact, it is now an integral part of the diagnosis and classification of various diseases like leukemias and lymphomas along with molecular studies and cytogenetics. Prognostication and disease monitoring by flow cytometry is also being recognized increasingly as one of the important fortes. This is evident by the number of articles in the published in literature on the minimal residual disease detection by flow cytometry especially in the last decade or so...
January 15, 2018: Indian Pediatrics
https://www.readbyqxmd.com/read/29341235/concomitant-cutaneous-squamous-cell-carcinoma-and-cll-in-a-patient-the-utility-of-18-f-fdg-pet-ct-in-differentiation-of-nodal-metastasis
#6
Kerem Ozturk, Celalettin Ustun, Sobia Khaja, Faqian Li, Matthew Rischall, Zuzan Cayci
INTRODUCTION: Head and neck cutaneous squamous cell carcinoma (cSCC) often presents with cervical lymph node metastases. Lymphoma is the second most common malignancy in the cervical region, however, it is rarely synchronous with head and neck cSCC. METHODS: We describe the unusual presentation of a patient with small lymphocytic lymphoma/chronic lymphocytic leukemia (SLL/CLL) and metastatic head and neck cSCC on 18-fluorodeoxyglucose positron emission tomography (18 F-FDG PET/CT)...
January 17, 2018: American Journal of Hematology
https://www.readbyqxmd.com/read/29237964/myeloid-sarcoma-a-clinicopathological-study-with-emphasis-on-diagnostic-difficulties
#7
Ranjini Kudva, Vidya Monappa, Girish Solanke, Manna Valiathan, Anuradha C K Rao, V Geetha
BACKGROUND: Myeloid sarcoma (MS) is a rare tumor composed of proliferation of myeloid precursors at extramedullary sites. They can arise de-novo or in association with hematological malignancies, most commonly acute myeloid leukemia. Clinically, it can masquerade as an abscess, cutaneous ulcer, or mass lesion. Morphologically, MS can mimic a variety of small round cell tumors including lymphomas and rhabdomyosarcoma. AIMS: (1) To study the clinical presentations and laboratory findings in patients with MS; (2) to revisit the histomorphological findings and the differential diagnosis of MS; (3) to evaluate the diagnostic role of immunohistochemistry (IHC) and determine the useful markers for accurate diagnosis of MS...
October 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/29196178/long-term-remissions-of-patients-with-follicular-lymphoma-grade-3-treated-with-r-chop
#8
Paolo Strati, Nathan Fowler, Sergio Pina-Oviedo, L Jeffrey Medeiros, Michael J Overman, Jorge E Romaguera, Loretta Nastoupil, Michael Wang, Fredrick B Hagemeister, Alma Rodriguez, Yasuhiro Oki, Jason Westin, Francesco Turturro, Sattva S Neelapu, Luis Fayad
BACKGROUND: The optimal management of patients with follicular lymphoma Grade 3 (FLG3) is controversial. PATIENTS AND METHODS: This is a case series of 45 patients with FLG3 treated with first-line R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone) and observed for an extended time interval. RESULTS: The overall response rate was 100% and the median progression-free survival (PFS) has not been reached, with a 3-year PFS of 70%; 14 (31%) patients relapsed, nearly all within 3 years...
November 14, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/29112016/b-lymphoblastic-leukemia-lymphoma-with-burkitt-like-morphology-and-igh-myc-rearrangement-report-of-3-cases-in-adult-patients
#9
Yiting Li, Gunjan Gupta, Ari Molofsky, Yi Xie, Nader Shihabi, Jane McCormick, Elaine S Jaffe
Isolated MYC rearrangement without other recurrent genetic abnormalities is rare in B lymphoblastic leukemia/lymphoma (B-ALL/LBL), with most cases reported in pediatric patients. We report 3 adult cases with lymphoblasts showing a precursor B cell immunophenotype, and isolated MYC/IGH translocation. All 3 cases occurred in male patients with initial presentation of diffuse lymphadenopathy. Cases 1 and 2 had B-ALL with significantly increased lymphoblasts in peripheral blood and bone marrow. Case 3, a patient with human immunodeficiency virus infection, had the diagnosis of B-LBL made on a retroperitoneal lymph node biopsy and had no peripheral blood or bone marrow involvement...
November 3, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29045844/a-b-cell-regulome-links-notch-to-downstream-oncogenic-pathways-in-small-b-cell-lymphomas
#10
Russell J H Ryan, Jelena Petrovic, Dylan M Rausch, Yeqiao Zhou, Caleb A Lareau, Michael J Kluk, Amanda L Christie, Winston Y Lee, Daniel R Tarjan, Bingqian Guo, Laura K H Donohue, Shawn M Gillespie, Valentina Nardi, Ephraim P Hochberg, Stephen C Blacklow, David M Weinstock, Robert B Faryabi, Bradley E Bernstein, Jon C Aster, Warren S Pear
Gain-of-function Notch mutations are recurrent in mature small B cell lymphomas such as mantle cell lymphoma (MCL) and chronic lymphocytic leukemia (CLL), but the Notch target genes that contribute to B cell oncogenesis are largely unknown. We performed integrative analysis of Notch-regulated transcripts, genomic binding of Notch transcription complexes, and genome conformation data to identify direct Notch target genes in MCL cell lines. This B cell Notch regulome is largely controlled through Notch-bound distal enhancers and includes genes involved in B cell receptor and cytokine signaling and the oncogene MYC, which sustains proliferation of Notch-dependent MCL cell lines via a Notch-regulated lineage-restricted enhancer complex...
October 17, 2017: Cell Reports
https://www.readbyqxmd.com/read/28978260/presentation-of-chronic-lymphocytic-leukemia-small-lymphocytic-lymphoma-in-a-warthin-tumor-case-report-and-literature-review
#11
Hadeel Jawad, Peter McCarthy, Gerard O'Leary, Cynthia C Heffron
Warthin tumor is the second most common salivary gland neoplasm. It occurs more commonly in males than in females. Malignant transformation in Warthin tumor is a rare but well-recognized phenomenon; however, the development or presentation of lymphoma in a Warthin tumor is rare. An 80-year-old man presented with painless mass of the right parotid gland of 2 years duration with recent ulceration of the overlying skin and right cervical lymphadenopathy underwent a surgical resection of parotid mass and biopsy of the periglandular lymph nodes...
October 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28920800/cutaneous-t-cell-lymphoma-with-lymph-node-metastasis-in-an-adult-addax-addax-nasomaculatus
#12
Zoltan S Gyimesi, Roy B Burns, Sheryl Coutermarsh-Ott, Chris A Schiller, Rita McManamon
A 13-yr-old male addax (Addax nasomaculatus) presented with locally extensive alopecia, slight erythema, and skin thickening on the medial aspect of the left rear leg between the stifle and tarsus. Cutaneous T-cell lymphoma was diagnosed after histopathology and immunohistochemical staining of representative skin-punch biopsies. No treatment was elected, and the addax was euthanized 3 yr later because of poor body condition, chronic dental disease, and confirmed spread of lymphoma to other cutaneous locations...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28919770/swollen-lymph-nodes-may-not-be-clinical-manifestations-of-chronic-myeloid-leukemia-case-report-and-revision-of-literature
#13
Zhihe Liu, Siyun Li, Ou Bai
We present here the case of a 33-year-old Chinese female patient with synchronous double primary malignant tumors (chronic myeloid leukemia [CML] and classic Hodgkin lymphoma). This patient was admitted to our hospital because of bilateral cervical lymph node enlargement and recurrent fever for 2 weeks. The complete blood cell count revealed white blood cell counts of 18.2×10(9)/L, hemoglobin of 9.6 g/dL, and platelet counts of 1,547×10(9)/L. Chromosome karyotype analysis demonstrated that t(9;22)(q34;q11) was positive in all 20 cells examined...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28885361/angioimmunoblastic-t-cell-lymphoma-and-hypereosinophilic-syndrome-with-fip1l1-pdgfra-fusion-gene-effectively-treated-with-imatinib-a-case-report
#14
Masayo Yamamoto, Katsuya Ikuta, Yasumichi Toki, Mayumi Hatayama, Motohiro Shindo, Yoshihiro Torimoto, Toshikatsu Okumura
RATIONALE: Hypereosinophilic syndrome (HES) is a rare disorder characterized by hypereosinophilia and organ damage. Some cases of HES are caused by the FIP1L1/PDGFRA fusion gene and respond to imatinib. FIP1L1/PDGFRA-positive HES occasionally evolves into chronic eosinophilic leukemia or into another form of myeloproliferative neoplasm; however, the development of a malignant lymphoma is very rare. We present a rare case of angioimmunoblastic T-cell lymphoma (AITL) and HES with the FIP1L1/PDGFRA gene rearrangement...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28881727/adult-t-cell-leukemia-aggressivenness-correlates-with-loss-of-both-5-hydroxymethylcytosine-and-tet2-expression
#15
Ambroise Marçais, Laetitia Waast, Julie Bruneau, Katia Hanssens, Vahid Asnafi, Philippe Gaulard, Felipe Suarez, Patrice Dubreuil, Antoine Gessain, Olivier Hermine, Claudine Pique
Mutations in TET2, encoding one of the TET members responsible for the conversion of DNA cytosine methylation to hydroxymethylation (5-hmc), have been recently described in Human T-lymphotropic virus type 1-associated adult T-cell leukemia/lymphoma (ATLL). However, neither the amount of genomic 5-hmc in ATLL tumor cells nor TET2 expression has been studied yet. In this study, we analyzed these two parameters as well as the mutational status of TET2 in ATLL patients. By employing a direct in situ approach, we documented that tumor T cells infiltrating lymph nodes exhibit low level of 5-hmc compared to residual normal T cells...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28880462/indeterminate-dendritic-cell-neoplasm-of-the-skin-a-2-case-report-and-review-of-the-literature
#16
Pedro Horna, Haipeng Shao, Afshan Idrees, L Frank Glass, Carlos A Torres-Cabala
Indeterminate dendritic cell neoplasm (IDCN) is an exceedingly rare and mostly cutaneous histiocytosis, frequently associated with other hematopoietic malignancies. We report 2 cases of multilesional cutaneous IDCN. A 55-year-old male with no associated malignancy and complete response to ultraviolet phototherapy; and a 72-year-old male with chronic myelomonocytic leukemia (CMML). Both cases showed histiocytoid cytology, positivity for CD1a and no expression of langerin or BRAFV600E . With our patients, the literature describes 79 cases of IDCNs, including 65 (82%) with only skin involvement, 7 cases (9%) with involvement of skin and a second site, 5 cases (6%) involving lymph nodes only, 1 splenic lesion and 1 systemic disease...
November 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28698787/peripheral-t-cell-lymphoma-in-mediastinum-lymph-nodes-and-lung-associated-to-histoplasmosis-in-a-patient-with-chronic-lymphoid-leukemia-small-lymphocytic-lymphoma
#17
Cristiano Claudino Oliveira
No abstract text is available yet for this article.
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28641661/-clinical-and-pathologic-features-of-myeloid-sarcoma
#18
Ya-Jun Jiang, Hong-Xia Wang, Wan-Chuan Zhuang, Hao Chen, Chang Zhang, Xiu-Mei Li, Gui-Hua Zhu, Yao He
OBJECTIVE: To explore the clinicopathologic features, differential diagnosis and therapy of myeloid sarcoma. METHODS: The clinical data including clinical manifestations, laboratorial tests, histopathologicical examination, immunohistochemistry and clinical prognosis of 10 patients with myeloid sarcoma were analyzed retrospectively. Among 10 patients, 5 male and 5 female, aged 23 to 71 years old (median = 36 years). RESULTS: 2 cases of myeloid sarcoma were secondary from chronic myeloid leukemia, and 1 cases of myeloid sarcoma occurred after the allogeneic hematopoietic stem cell transplantation due to acute myeloid leukemia, and the others lacked the anamnesis of malignancies...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28599462/detection-of-tax-specific-ctls-in-lymph-nodes-of-adult-t-cell-leukemia-lymphoma-patients-and-its-association-with-foxp3-positivity-of-regulatory-t-cell-function
#19
Ayako Ichikawa, Hiroaki Miyoshi, Fumiko Arakawa, Junichi Kiyasu, Kensaku Sato, Daisuke Niino, Yoshizo Kimura, Maki Yoshida, Riko Kawano, Hiroko Muta, Yasuo Sugita, Koichi Ohshima
Human T-cell lymphotropic virus type (HTLV)-1 Tax is a viral protein that has been reported to be important in the proliferation of adult T-cell leukemia/lymphoma (ATLL) cells and to be a target of HTLV-1-specific cytotoxic T lymphocytes (CTLs). However, it is not clear how Tax-specific CTLs behave in lymph nodes of ATLL patients. The present study analyzed the immunostaining of Tax-specific CTLs. Furthermore, ATLL tumor cells are known to be positive for forkhead box P3 (Foxp3)and to have a regulatory T (Treg)-cell-like function...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28590426/down-s-syndrome-and-triple-negative-breast-cancer-a-rare-occurrence-of-distinctive-clinical-relationship
#20
Nandini Dey, Amy Krie, Jessica Klein, Kirstin Williams, Amanda McMillan, Rachel Elsey, Yuliang Sun, Casey Williams, Pradip De, Brian Leyland-Jones
Down's syndrome (DS), the most common genetic cause of significant intellectual disability in children and adults is caused by the trisomy of either all or a part of human chromosome 21 (HSA21). Patients with DS mostly suffer from characteristic tumor types. Although individual patients of DS are at a higher risk for acute leukemia and testicular cancers, other types of solid tumors including breast cancers are mostly uncommon and have significantly lower-than-expected age-adjusted incidence rates. Except for an increased risk of retinoblastomas, and lymphomas, the risk of developing solid tumors has been found to be lower in both children and adults, and breast cancer was found to be almost absent (Hasle H...
June 7, 2017: International Journal of Molecular Sciences
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