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Primary mediastinal lymphoma

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https://www.readbyqxmd.com/read/28798034/fdg-pet-ct-in-lymphoma-has-imaging-directed-personalized-medicine-become-a-reality
#1
Sally F Barrington, Peter Wm Johnson
Positron emission tomography with computed tomography (PET-CT) using (18)F- fluorodeoxyglucose (FDG) is an essential part of the management of patients with lymphoma. Efforts to standardize PET acquisition and reporting, including the five-point 'Deauville scale', have enabled PET to become a surrogate for treatment success/failure in common lymphoma subtypes. This review summarizes the key evidence from clinical trials that supports PET-directed personalized approaches in lymphoma. PET-guided therapy has improved outcomes in Hodgkin lymphoma, using less chemotherapy and more selective radiotherapy...
August 10, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28798005/hodgkin-s-lymphoma-as-a-multiloculated-lung-cavity-lesion
#2
Aisha M Al-Osail, Hind S Al-Saif, Mashail M Al-Hajri, Hajer M Al-Zuhair, Deemah A Al-Abdulhadi, Emad M Al-Osail, Sarah M Al-Hajri
BACKGROUND: Pulmonary manifestation of Hodgkin's lymphoma is common, and recently, single and/or multiple lung cavities with air-fluid levels has been reported as a primary manifestation of Hodgkin's lymphoma. However, the unusual presentation of the lung cavity itself has not been previously reported for Hodgkin's lymphoma, especially as the first presentation of the disease. CASE PRESENTATION: We report a 16-year-old male who presented to the emergency department with chief complaints of fever, unintentional 10-kilogram weight loss, a productive cough and pulmonary cavity for investigation...
May 2017: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28777267/mistaken-identity-asthma-and-croup-in-a-previously-healthy-9-year-old-male
#3
Sylvia Owusu-Ansah, Oluwakemi Badaki-Makun, Thuy L Ngo
Cough is one of the most common presenting complaints encountered in primary care settings and the emergency department. In 2010, the Centers for Disease Control and Prevention reported approximately 31 million visits to ambulatory care centers for cough, making cough the most frequent presenting complaint in ambulatory visits (2010 National Ambulatory Medical Care Survey). Significant causes of cough can often be overlooked because it is a common symptom of a myriad of pathologies. We report the case of an otherwise healthy 9-year-old male who presented with worsening cough over a month and a half, subsequently noted to have a mediastinal mass, and diagnosed with lymphoma...
August 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28766543/-bone-marrow-involvement-in-primary-mediastinal-b-cell-lymphoma
#4
A U Magomedova, E A Fastova, A M Kovrigina, T N Obukhova, N I Skidan, Ya K Mangasarova, A I Vorobyev, S K Kravchenko
Primary mediastinal large B-cell lymphoma (PMBCL) is a distinct type of large B-cell lymphoma. In this type of the disease, the neoplastic process is located in the anterior and superior mediastinum, frequently with compression of the superior vena cava and with tumor invasion into the adjacent organs and tissues: the pericardium, lung, pleura, etc. Despite the fact that in PMBCL progression, there may be involvement of extranodal organs, such as the kidney, adrenal glands, liver, and central nervous system, bone marrow (BM) injury is generally absent...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28732145/evaluation-of-primary-mediastinal-large-b-cell-lymphoma-by-flow-cytometry
#5
Sindhu Cherian, Jonathan R Fromm
BACKGROUND: Primary mediastinal large B cell lymphoma (PMLBCL) is a B cell non-Hodgkin lymphoma (B-NHL) that shows morphologic, immunophenotypic, and genetic similarities to classical Hodgkin lymphoma (CHL). We evaluated the neoplastic and reactive infiltrate of PMLBCL by flow cytometry (FC). METHODS: A total of 24 cases of PMLBCL were retrospectively characterized using FC combinations for B-NHL, T-NHL, and CHL. RESULTS: The CHL assay identified the neoplastic population (NP) in all cases, while the B-NHL assay identified the NP in 18 of 24 cases...
July 21, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28722111/monoamine-oxidase-a-is-highly-expressed-in-classical-hodgkin-lymphoma
#6
Pei Chuan Li, Imran N Siddiqi, Anja Mottok, Eric Y Loo, Chieh Hsi Wu, Wendy Cozen, Christian Steidl, Jean Chen Shih
Monoamine oxidase A (MAOA) is a mitochondrial enzyme that catalyzes oxidative deamination of neurotransmitters and dietary amines and produces H2 O2. It facilitates the progression of gliomas and prostate cancer, but its expression and functional relevance have not been studied in lymphoma. Here, we evaluated MAOA in 427 cases of Hodgkin and non-Hodgkin lymphoma and in a spectrum of reactive lymphoid tissues by immunohistochemistry on formalin-fixed paraffin-embedded specimens. MAOA was expressed by Hodgkin Reed-Sternberg (HRS) cells in the majority of classical Hodgkin lymphomas (cHL) (181/241; 75%), with 34...
July 19, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28714265/can-malignant-and-inflammatory-pleural-effusions-in-dogs-be-distinguished-using-computed-tomography
#7
Thom C Watton, Ana Lara-Garcia, Christopher R Lamb
Computed tomography (CT) is the primary imaging modality used to investigate human patients with suspected malignant or inflammatory pleural effusion, but there is a lack of information about the clinical use of this test in dogs. To identify CT signs that could be used to distinguish pleural malignant neoplasia from pleuritis, a retrospective case-control study was done based on dogs that had pleural effusion, pre- and postcontrast thoracic CT images, and cytological or histopathological diagnosis of malignant or inflammatory pleural effusion...
July 16, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28684378/utility-of-bone-marrow-biopsy-and-aspirate-for-staging-of-diffuse-large-b-cell-lymphoma-in-the-era-of-positron-emission-tomography-with-2-deoxy-2-fluorine-18-fluoro-deoxyglucose-integrated-with-computed-tomography
#8
Prakash Vishnu, Andrew Wingerson, Marie Lee, Margaret T Mandelson, David M Aboulafia
BACKGROUND: About one-third of patients with diffuse large B cell lymphoma (DLBCL) have lymphomatous bone marrow involvement (BMI) at the time of diagnosis, and bone marrow aspirate/biopsy (BMAB) is considered the gold standard to detect such involvement. [(18)F] fluorodeoxyglucose positron emission tomography combined with computed tomography (PET-CT), has become standard pretreatment imaging in DLBCL and may be a noninvasive alternative to BMAB to ascertain BMI. Prior studies have suggested that PET-CT scan may obviate the need for BMAB as a component for staging patients with newly diagnosed DLBCL, but this is not yet a standard of practice...
June 17, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28660709/patient-characteristics-prognostic-factors-and-outcome-of-dogs-with-high-grade-primary-mediastinal-lymphoma
#9
E L Moore, W Vernau, R B Rebhun, K A Skorupski, J H Burton
The goals of this retrospective study were to determine the patient characteristics of dogs with high-grade primary mediastinal lymphoma and to determine outcome and associated prognostic factors. A total of 42 dogs were identified, in which 36 received treatment and had follow-up information available. The most common clinical signs included lethargy, anorexia and polyuria/polydipsia. Hypercalcemia and pleural effusion were common findings at diagnosis. The phenotype was almost exclusively T-cell, most often in association with lymphoblastic cytomorphology as defined by the World Health Organization (WHO) lymphoma classification scheme...
June 28, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/28659618/an-oncogenic-axis-of-stat-mediated-batf3-upregulation-causing-myc-activity-in-classical-hodgkin-lymphoma-and-anaplastic-large-cell-lymphoma
#10
A Lollies, S Hartmann, M Schneider, T Bracht, A L Weiß, J Arnolds, L Klein-Hitpass, B Sitek, M-L Hansmann, R Küppers, M A Weniger
Classical Hodgkin lymphoma (cHL) and anaplastic large cell lymphoma (ALCL) feature high expression of activator protein-1 (AP-1) transcription factors, which regulate various physiological processes but also promote lymphomagenesis. The AP-1 factor basic leucine zipper transcription factor, ATF-like 3 (BATF3), is highly transcribed in cHL and ALCL; however, its functional importance in lymphomagenesis is unknown. Here we show that proto-typical CD30(+) lymphomas, namely cHL (21/30) and primary mediastinal B-cell lymphoma (8/9), but also CD30(+) diffuse large B-cell lymphoma (15/20) frequently express BATF3 protein...
June 29, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28658648/prevention-of-human-lymphoproliferative-tumor-formation-in-ovarian-cancer-patient-derived-xenografts
#11
Kristina A Butler, Xiaonan Hou, Marc A Becker, Valentina Zanfagnin, Sergio Enderica-Gonzalez, Daniel Visscher, Kimberly R Kalli, Piyawan Tienchaianada, Paul Haluska, S John Weroha
Interest in preclinical drug development for ovarian cancer has stimulated development of patient-derived xenograft (PDX) or tumorgraft models. However, the unintended formation of human lymphoma in severe combined immunodeficiency (SCID) mice from Epstein-Barr virus (EBV)-infected human lymphocytes can be problematic. In this study, we have characterized ovarian cancer PDXs which developed human lymphomas and explore methods to suppress lymphoproliferative growth. Fresh human ovarian tumors from 568 patients were transplanted intraperitoneally in SCID mice...
June 25, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28653407/clinical-heterogeneity-of-diffuse-large-b-cell-lymphoma-following-failure-of-front-line-immunochemotherapy
#12
Umar Farooq, Matthew J Maurer, Carrie A Thompson, Gita Thanarajasingam, David J Inwards, Ivana Micallef, William Macon, Sergei Syrbu, Tasha Lin, Yi Lin, Stephen M Ansell, Grzegorz S Nowakowski, Thomas M Habermann, James R Cerhan, Brian K Link
This study aimed to describe the patterns of care and outcomes of diffuse large B cell lymphoma (DLBCL) after failure of front line anthracycline-based immunochemotherapy (IC). Patients with newly diagnosed lymphoma were prospectively enrolled in Molecular Epidemiology Resource (MER) of the University of Iowa/Mayo Clinic Lymphoma Specialized Program of Research Excellzence. All DLBCL and primary mediastinal B-cell lymphoma (PMBL) patients treated with front-line anthracycline-based IC were followed for relapse...
June 27, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28634685/poor-predictive-value-of-positive-interim-fdg-pet-ct-in-primary-mediastinal-large-b-cell-lymphoma
#13
Julien Lazarovici, Marie Terroir, Julia Arfi-Rouche, Jean-Marie Michot, Sacha Mussot, Valentina Florea, Maria-Rosa Ghigna, Peggy Dartigues, Cynthia Petrovanu, Alina Danu, Christophe Fermé, Vincent Ribrag, David Ghez
PURPOSE: Though commonly used to assess response to therapy, the prognostic value of interim FDG-PET/CT in Primary Mediastinal Large B-cell Lymphoma (PMBCL) is unclear. METHODS: We conducted a retrospective study on 36 consecutive patients treated at our institution for a PMBCL between 2006 and 2014. All patients with a positive interim FDG-PET/CT had undergone histological restaging consisting either in a surgical debulking of the residual lesion (15 patients) or a CT-guided core needle biopsy (two patients)...
June 21, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28620906/management-of-primary-mediastinal-b-cell-lymphoma-and-gray-zone-lymphoma
#14
Kieron Dunleavy
Primary mediastinal B-cell lymphoma is a distinct clinicopathologic entity that has a predilection for young women. It is clinically and molecularly different from other subtypes of diffuse large B-cell lymphoma and has a unique paradigm of management. While the cure rate for patients with primary mediastinal B-cell lymphoma is high, approaches have historically included mediastinal radiation; in moving therapeutics forward, strategies that obviate the need for radiation while maintaining high cure rates are critical...
June 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/28545570/the-feasibility-of-contrast-enhanced-ultrasonography-ceus-in-the-diagnosis-of-non-cardiac-thoracic-disorders-of-dogs-and-cats
#15
N Linta, M Baron Toaldo, G Bettini, A Cordella, M Quinci, P Pey, V Galli, M Cipone, A Diana
BACKGROUND: This study describes the feasibility of Contrast Enhanced Ultrasonography (CEUS) in the diagnostic work-up of non-cardiac thoracic disorders of small animals. The second aim is to assess the usefulness of CEUS as a direct guide for sample procedures. RESULTS: Forty animals, 28 dogs and 12 cats, were included in the study. Thoracic disorders included 23 pulmonary lesions [primary carcinoma (14), lymphoma (1), sarcoma (1), histiocytic sarcoma (1), abscess (1) and pneumonia (5)] and 17 mediastinal lesions [lymphoma (8), thymoma (3), mesothelioma (1), melanoma (1), carcinomatous lymphadenopathy (1), mixsosarcoma (1), lipoma (1), and abscess (1)]...
May 25, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28539298/-fine-needle-aspiration-cell-pathology-for-diagnosis-of-intrathoracic-extramedullary-hematopoiesis-presenting-as-a-posterior-mediastinal-tumor-a-case-report
#16
Jie Zhou, Tong Zhao, Min Deng
To study the feasibility of in a A patient with extramedullary hematopoiesis presenting as a posterior mediastinal tumor underwent fine-needle aspiration for cell pathology diagnosis. The primary locus of a posterior mediastinal extramedullary hematopoiesis was examined with Papanicolaou staining and HE staining, and the expressions of cytokeratin, epithelial membrane antigen (EMA), terminal deoxynucleotidyl transferase, CD3, CD20, anaplastic lymphoma kinase, CD34, CD235a, myeloperoxidase, CD61, P53, CD30, S-100, CD1a, and Ki-67 with immunohistochemistry...
May 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28532396/addition-of-rituximab-to-chop-like-chemotherapy-in-first-line-treatment-of-primary-mediastinal-b-cell-lymphoma
#17
K Lisenko, G Dingeldein, M Cremer, M Kriegsmann, A D Ho, M Rieger, M Witzens-Harig
BACKGROUND: The addition of rituximab (R) to CHOP (cyclophosphamide, doxorubicin, vincristine and prednisone) -like therapy has improved survival in primary mediastinal B-cell lymphoma (PMBCL) patients. However, these results were obtained in young low risk patients and a reevaluation in an unselected patient cohort is warranted. METHODS: In this study, we analyzed 80 PMBCL patients treated with a CHOP-based regimen with and without rituximab. RESULTS: In the non-rituximab cohort 10-year progression free survival (PFS) was 67% and 10-year overall survival (OS) was 72% versus a PFS of 95% and a OS of 92% in the rituximab group, PFS P = 0...
May 22, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28523302/the-use-of-ebus-tbna-and-rose-in-the-diagnosis-of-lung-cancer
#18
Mărioara Şimon, Bogdan Pop, Iuliana Lăcrămioara Toma, Aletta Kinga Vallasek, Ioan Şimon
Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is a minimally invasive method for diagnosing and staging of lung cancer. EBUS-TBNA obtained small specimens. Rapid on-site examination (ROSE) is a rapid, real-time examination method. The aim of our study is to evaluate the impact of ROSE on adequate specimen sampling, rapid results and high diagnostic rate. We present the experience of the Department of Bronchology, "Leon Daniello" Clinic of Pulmonology, Cluj-Napoca, Romania, with EBUS-TBNA as a tool for diagnostic of adenopathies of unknown etiology...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28490569/safety-and-tolerability-of-pembrolizumab-in-patients-with-relapsed-refractory-primary-mediastinal-large-b-cell-lymphoma
#19
MULTICENTER STUDY
Pier Luigi Zinzani, Vincent Ribrag, Craig H Moskowitz, Jean-Marie Michot, John Kuruvilla, Arun Balakumaran, Yayan Zhang, Sabine Chlosta, Margaret A Shipp, Philippe Armand
Treatment options for relapsed/refractory primary mediastinal large B-cell lymphoma (rrPMBCL) are limited, and prognosis is generally poor (overall response rate [ORR] 0% to 25%; 2-year overall survival 15%). PMBCL frequently involves PD-1 ligand overexpression, potentially making PMBCL particularly susceptible to PD-1 blockade. We evaluated safety and antitumor activity of pembrolizumab, an anti-PD-1 antibody, in rrPMBCL as part of the KEYNOTE-013 multicohort phase 1b trial. At time of data cutoff, 18 patients (median age 30 years; median 3 prior lines of therapy) had been enrolled and treated, of whom 17 were included in the efficacy analyses...
July 20, 2017: Blood
https://www.readbyqxmd.com/read/28485042/prognostic-models-for-primary-mediastinal-thymic-b-cell-lymphoma-derived-from-18-fdg-pet-ct-quantitative-parameters-in-the-international-extranodal-lymphoma-study-group-ielsg-26-study
#20
Luca Ceriani, Maurizio Martelli, Annarita Conconi, Pier L Zinzani, Andrés J M Ferreri, Barbara Botto, Caterina Stelitano, Manuel Gotti, Maria G Cabras, Luigi Rigacci, Luca Giovanella, Emanuele Zucca, Peter W M Johnson
The International Extranodal Lymphoma Study Group-26 study evaluated the prognostic role of 18-fluorodeoxyglucose positron-emission tomography (PET) in primary mediastinal large B-cell lymphoma. We assessed quantitative PET parameters at diagnosis and post-treatment in 100 patients. The end-of-therapy total lesion glycolysis (TLG) was the best individual outcome predictor, but the combination of baseline TLG and end-of-therapy visual analysis with Deauville Score (DS) showed a better positive predictive value...
May 9, 2017: British Journal of Haematology
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