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cutaneous B cell lymphoma

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https://www.readbyqxmd.com/read/28526298/regulation-of-the-glycerol-transporter-aquaporin-3-by-histone-deacetylase-3-and-p53-in-keratinocytes
#1
Vivek Choudhary, Lawrence O Olala, Karen Kagha, Zhi-Qiang Pan, Xunsheng Chen, Rong Yang, Abigail Cline, Inas Helwa, Lauren Marshall, Ismail Kaddour-Djebbar, Meghan E McGee-Lawrence, Wendy B Bollag
Aquaporin-3 (AQP3), a water and glycerol channel, plays an important role in epidermal function, with studies demonstrating its involvement in keratinocyte proliferation, differentiation and migration and epidermal wound healing and barrier repair. Increasing speculation about the use of histone deacetylase (HDAC) inhibitors to treat skin diseases led us to investigate HDAC's role in the regulation of AQP3. The broad-spectrum HDAC inhibitor, suberolyanilide hydroxamic acid (SAHA) induced AQP3 mRNA and protein expression in a dose- and time-dependent manner in normal keratinocytes...
May 16, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28504999/tumor-microenvironment-and-checkpoint-molecules-in-primary-cutaneous-diffuse-large-b-cell-lymphoma-new-therapeutic-targets
#2
Christina Mitteldorf, Arbeneshe Berisha, Monique C Pfaltz, Sigrid M C Broekaert, Michael P Schön, Katrin Kerl, Werner Kempf
Programmed death ligand 1 (PD-L1) is expressed by 20% to 57% of systemic diffuse large B cell lymphomas (DLBCLs). PD-L1 expression in primary cutaneous DLBCL (pcDLBCL) has not been studied so far. Sixteen paraffin-embedded tissue samples of pcDLBCL (13 leg type [LT], 3 others [OT]) were investigated for PD-1, PD-L1, and CD33 expression and the cellular composition of the tumor microenvironment, focusing on myeloid-derived suppressor cells (MDSCs) and tumor-associated macrophages. Membrane-bound PD-L1 expression by the tumor cells was observed in all samples, albeit to a variable extent (19...
May 12, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28479318/identification-of-somatic-mutations-in-primary-cutaneous-diffuse-large-b-cell-lymphoma-leg-type-by-massive-parallel-sequencing
#3
Sylvain Mareschal, Anne Pham-Ledard, Pierre Julien Viailly, Sydney Dubois, Philippe Bertrand, Catherine Maingonnat, Maxime Fontanilles, Elodie Bohers, Philippe Ruminy, Isabelle Tournier, Philippe Courville, Bernard Lenormand, Anne Bénédicte Duval, Emilie Andrieu, Laurence Verneuil, Beatrice Vergier, Hervé Tilly, Pascal Joly, Thierry Frebourg, Marie Beylot-Barry, Jean-Philippe Merlio, Fabrice Jardin
To determine whether the mutational profile of primary cutaneous diffuse large B-cell lymphoma leg-type (PCLBCL-LT) is unique by comparison with other diffuse large B-cell lymphoma (DLBCL) subtypes, we analyzed a total cohort of 28 PCLBCL-LT cases by next generation sequencing with a Lymphopanel designed for DLBCL. We also analyzed 12 pairs of tumor and control DNA samples by whole exome sequencing which led us to perform resequencing of three selected genes not included in the Lymphopanel: TBL1XR1, KLHL6 and IKZF3...
May 4, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28468169/b-cell-lymphoma-underlying-paraffinoma-of-glabella
#4
Jin An Cha, Bomi Kim, Kyung Ah Lee
Soft tissue reactions to paraffin include inflammation, fibrosis, disfigurement, and granulomatous inflammation with foreign body giant cell reaction. The authors report the case of a 77-year-old woman with cutaneous marginal zone B cell lymphoma located on glabella, arising in association with underlying paraffinoma. While it is unclear whether the implant directly contributed to the development of lymphoma, this association has not been previously documented, prompting this report.
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28461685/intravascular-large-b-cell-lymphoma-presenting-as-fever-of-unknown-origin-and-diagnosed-by-random-skin-biopsies-a-case-report-and-literature-review
#5
Horacio di Fonzo, Damian Contardo, Diego Carrozza, Paola Finocchietto, Adriana Rojano Crisson, Cecilia Cabral, Maria de Los Angeles Juarez
BACKGROUND Intravascular lymphoma (IVL) is a rare lymphoproliferative disorder characterized by the proliferation of large B lymphoma cells within the lumen of small-caliber blood vessels. Clinical features are nonspecific, presenting as a systemic disease with fever and may be life-threatening. Antemortem diagnosis is difficult but may be made with biopsies of affected tissues or with random skin biopsies. CASE REPORT We report the case of a 66-year-old white woman presenting with fever of unknown origin (FUO) who developed neurologic, pulmonary, and hematologic manifestations...
May 2, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28459613/impact-of-expert-pathologic-review-of-lymphoma-diagnosis-study-of-patients-from-the-french-lymphopath-network
#6
Camille Laurent, Marine Baron, Nadia Amara, Corinne Haioun, Mylène Dandoit, Marc Maynadié, Marie Parrens, Beatrice Vergier, Christiane Copie-Bergman, Bettina Fabiani, Alexandra Traverse-Glehen, Nicole Brousse, Marie-Christine Copin, Patrick Tas, Tony Petrella, Marie-Christine Rousselet, Josette Brière, Fréderic Charlotte, Catherine Chassagne-Clement, Thérèse Rousset, Luc Xerri, Anne Moreau, Antoine Martin, Diane Damotte, Peggy Dartigues, Isabelle Soubeyran, Michel Peoch, Pierre Dechelotte, Jean-François Michiels, Antoine de Mascarel, Françoise Berger, Céline Bossard, Flavie Arbion, Isabelle Quintin-Roué, Jean-Michel Picquenot, Martine Patey, Blandine Fabre, Henri Sevestre, Cécile Le Naoures, Marie-Pierre Chenard-Neu, Claire Bastien, Sylvie Thiebault, Laurent Martin, Manuela Delage, Thomas Filleron, Gilles Salles, Thierry Jo Molina, Georges Delsol, Pierre Brousset, Philippe Gaulard
Purpose To prospectively assess the clinical impact of expert review of lymphoma diagnosis in France. Materials and Methods From January 2010 to December 2013, 42,145 samples from patients with newly diagnosed or suspected lymphomas were reviewed, according to the 2008 WHO classification, in real time by experts through the Lymphopath Network. Changes in diagnosis between referral and expert review were classified as major or minor according to their potential impact on patient care. Results The 42,145 reviewed samples comprised 36,920 newly diagnosed mature lymphomas, 321 precursor lymphoid neoplasms, 314 myeloid disorders, and 200 nonhematopoietic neoplasms, with 4,390 benign lesions...
May 1, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28426350/lenalidomide-maintenance-compared-with-placebo-in-responding-elderly-patients-with-diffuse-large-b-cell-lymphoma-treated-with-first-line-rituximab-plus-cyclophosphamide-doxorubicin-vincristine-and-prednisone
#7
Catherine Thieblemont, Hervé Tilly, Maria Gomes da Silva, Rene-Olivier Casasnovas, Christophe Fruchart, Franck Morschhauser, Corinne Haioun, Julien Lazarovici, Anida Grosicka, Aurore Perrot, Judith Trotman, Catherine Sebban, Dolores Caballero, Richard Greil, Koen van Eygen, Amos M Cohen, Hugo Gonzalez, Reda Bouabdallah, Lucie Oberic, Bernadette Corront, Bachra Choufi, Armando Lopez-Guillermo, John Catalano, Achiel Van Hoof, Josette Briere, Jose Cabeçadas, Gilles Salles, Philippe Gaulard, Andre Bosly, Bertrand Coiffier
Purpose The standard treatment of patients with diffuse large B-cell lymphoma (DLBCL) is rituximab in combination with cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP). Lenalidomide, an immunomodulatory agent, has shown activity in DLBCL. This randomized phase III trial compared lenalidomide as maintenance therapy with placebo in elderly patients with DLBCL who achieved a complete response (CR) or partial response (PR) to R-CHOP induction. Methods Patients with previously untreated DLBCL or other aggressive B-cell lymphoma were 60 to 80 years old, had CR or PR after six or eight cycles of R-CHOP, and were randomly assigned to lenalidomide maintenance 25 mg/d or placebo for 21 days of every 28-day cycle for 24 months...
April 20, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28408397/the-il-31-il-31-receptor-axis-general-features-and-role-in-tumor-microenvironment
#8
REVIEW
Elisa Ferretti, Anna Corcione, Vito Pistoia
IL-31 is a recently identified cytokine with a well-defined role in the pathogenesis of pruritus. IL-31, whose production is induced by IL-4 and IL-33, binds a heterodimeric receptor (R) composed of the exclusive IL-31RA chain and the shared oncostatin M R. Signaling through the IL-31R involves the MAPK, PI3K/AKT and Jak/STAT pathways. Different variants and isoforms of IL-31RA with different signaling activities have been identified. IL-31 is produced predominantly by circulating Th2 lymphocytes and skin-homing CLA(+)CD45RO(+) T cells...
April 13, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28400635/oral-and-cutaneous-lymphomas-other-than-mycosis-fungoides-and-s%C3%A3-zary-syndrome-in-a-mexican-cohort-recategorization-and-evaluation-of-international-geographical-disparities
#9
Amparo Hernández-Salazar, Jorge Andrés García-Vera, Yann Charli-Joseph, Guadalupe Ortiz-Pedroza, Silvia Méndez-Flores, Rocío Orozco-Topete, Ana Lilia Morales-Leyte, Judith Domínguez-Cherit, Carmen Lome-Maldonado
BACKGROUND: Nonmycosis fungoides/Sézary syndrome (non-MF/SS) primary cutaneous lymphomas (PCL) are currently categorized under the 2005-World Health Organization/European Organization for Research and Treatment of Cancer (WHO-EORTC) classification for PCL. These differ in behavior from secondary cutaneous lymphomas (SCL) and to lymphomas limited to the oral cavity (primary oral lymphomas [POL]) both categorized under the 2016-WHO classification for lymphoid neoplasms. AIMS: This study aims to report the first series of non-MF/SS PCL, SCL, and POL in a Mexican cohort, examine the applicability of current classification systems and compare our findings with those from foreign cohorts...
March 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28400634/a-literature-revision-in-primary-cutaneous-b-cell-lymphoma
#10
R La Selva, S Alberti Violetti, C Delfino, V Grandi, S Cicchelli, C Tomasini, M T Fierro, E Berti, N Pimpinelli, P Quaglino
The term "Primary Cutaneous B-Cell Lymphoma" (PCBCL) comprehends a variety of lymphoproliferative disorders characterized by a clonal proliferation of B-cells primarily involving the skin. The absence of evident extra-cutaneous disease must be confirmed after six-month follow-up in order to exclude a nodal non-Hodgkin's lymphoma (NHL) with secondary cutaneous involvement, which may have a completely different clinical behavior and prognosis. In this article, we have summarized the clinico-pathological features of main types of PCBCL and we outline the guidelines for management based on a review of the available literature...
March 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28400633/new-targeted-treatments-for-cutaneous-t-cell-lymphomas
#11
Martine Bagot
Cutaneous T-cell lymphomas (CTCLs) represent a group of rare and heterogeneous diseases that are very difficult to treat at advanced stages. The development of monoclonal antibodies is a new hope for the treatment of these diseases. Alemtuzumab (Campath) is a humanized IgG1 kappa monoclonal antibody specific for CD52, an antigen expressed by most T and B lymphocytes. Alemtuzumab may frequently induce long-term remissions in patients with Sezary syndrome but high-dose treatments lead to severe cytopenia, immune depletion, and opportunistic infections...
March 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28369761/erythema-ab-igne-new-technology-rebounding-upon-its-users
#12
REVIEW
Fernanda Salgado, Marc Z Handler, Robert A Schwartz
Erythema ab igne (EAI) is a persistent, chronic skin condition resulting from prolonged exposure to infrared radiation, experienced as heat. Once associated with traditional warming sources like wood burning stoves or open fires, modern, infrared exposure originates also from newer sources like laptops and heating pads and may be creating a rebound of EAI. The epidemiology may be different too, with younger patients than previously seen. Localized EAI over an area of pain in the abdomen or lower back can be a sign of an underlying disorder, including cancer...
March 30, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28361523/nationwide-statistical-analysis-of-lymphoid-malignancies-in-korea
#13
Hyewon Lee, Hyeon Jin Park, Eun-Hye Park, Hee Young Ju, Chang-Mo Oh, Hyun-Joo Kong, Kyu-Won Jun, Byung-Kiu Park, Eunyoung Lee, Hyeon-Seok Eom, Young-Joo Won
Purpose: Regional differences in the incidence of lymphoid malignancies have been reported worldwide, but there has been no large-scale epidemiologic analysis in Korea. The aim of this study was to provide a nationwide population-based statistical analysis of Korean patients with lymphoid malignancies. Materials and Methods: The Korea Central Cancer Registry analyzed the incidence and survival of patients with lymphoid malignancies from the Korean National Cancer Incidence Database...
March 30, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28361107/remission-of-subcutaneous-panniculitis-like-t-cell-lymphoma-in-a-pregnant-woman-after-treatment-with-oral-corticosteroids-as-monotherapy
#14
Emily S West, Kanade Shinkai, Weiyun Z Ai, Laura B Pincus
Subcutaneous panniculitis-like T-cell lymphoma (SPTCL) is a rare form of cutaneous T-cell lymphoma characterized by neoplastic α/β T cells infiltrating subcutaneous tissues in a lobular pattern. Few data support the optimal treatment regimen for patients, given the rarity of this condition, and even fewer data describe treatment when diagnosed during pregnancy. We describe a case of SPTCL in a pregnant patient who achieved clinical remission after treatment with corticosteroid monotherapy. Our case suggests that corticosteroids should be considered as first-line treatment in pregnant patients with SPTCL...
March 2017: JAAD Case Reports
https://www.readbyqxmd.com/read/28340881/cd30-lymphoproliferative-disorders-of-the-skin
#15
REVIEW
Maxwell B Sauder, John T O'Malley, Nicole R LeBoeuf
Primary cutaneous CD30(+) lymphoproliferative disorders encompass lymphomatoid papulosis (LyP), primary cutaneous anaplastic large cell lymphoma (pcALCL), and indeterminate cases. LyP is a benign disorder characterized by recurrent crops of red or violaceous papulonodules. Patients with LyP are at an increased risk of a secondary malignancy. pcALCL is characterized by a solitary red to violaceous nodule or tumor larger than 20 mm. LyP is benign, is limited to the skin, and self-resolves, with a 5-year survival rate of 100%; pcALCL is limited to the skin and responsive to directed therapies, with a 5-year survival rate of over 95%...
April 2017: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/28340568/chronic-lymphocytic-leukemia-skin-infiltration-mimicking-an-icd-pocket-infection-a-case-report
#16
M Snorek, A Bulava, I Vonke
BACKGROUND: We are presenting a case report on an unreported and unusual cutaneous manifestation of chronic lymphocytic leukemia in a patient with an implantable cardioverter-defibrillator (ICD). CASE PRESENTATION: A 65-year-old man with a history of chronic lymphocytic leukemia (CLL), previously treated with chlorambucil, was referred in October 2013 for extraction of a single chamber ICD due to a suspected device-related infection in the pulse generator area (left-hand side of Fig...
March 24, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28337783/primary-cutaneous-anaplastic-large-cell-lymphoma-with-intralymphatic-involvement-associated-with-chronic-lymphedema
#17
Peiyuan Fan, Lin Nong, Jingru Sun, Xiaoqing Liu, Marshall E Kadin, Ting Li, Ping Tu, Yang Wang
Chronic lymphedema predisposes to develop malignant cutaneous tumors, including angiosarcoma, Kaposi's sarcoma and B-cell lymphoma. T-cell malignancy has rarely been associated with chronic lymph stasis. Here, we report a case of primary cutaneous anaplastic large cell lymphoma (pcALCL) with lymphatic spread associated with chronic lymphedema. The patient is a 56-year-old man who received orchiectomy and right inguinal lymphadenectomy for malignant seminoma 10 years ago, which led to prominent lymphedema of the right leg...
March 23, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28329572/asymptomatic-and-infiltrated-plaque-on-the-left-cheek
#18
Ricardo Ruiz-Villaverde, Daniel Sánchez-Cano, Ana Belén Rodrigo-Sánchez, José Aneiros-Fernández
Centrofollicular B Cell lymphomas constitute 25% of non-Hodgkin lymphomas that originate in the skin. They are the second in frequency of those lymphomas with extranodal location after gastrointestinal B lymphomas. The primary cutaneous centrofollicular lymphoma is characterized by the neoplastic proliferation of centrocytes and centroblasts confined to the skin. The prognosis is considered excellent with low probability of extracutaneous dissemination. We present a patient recently diagnosed in our unit with a good response to radiotherapy and complete resolution of the tumor with mild atrophy of the site...
November 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329553/primary-cutaneous-marginal-zone-lymphoma
#19
Joshua Farhadian, Vtaly Terushkin, Shane A Meehan, Jo-Ann Latkowski
Primary cutaneous B cell lymphomas (PCBCL) are thesecond most common type of primary cutaneouslymphoma. The three main types of PCBCL areprimary cutaneous marginal-zone lymphoma(PCMZL), primary cutaneous follicle-centerlymphoma, and primary cutaneous diffuse largeB-cell lymphoma, leg type. PCMZL has an indolentcourse with a five-year survival rate approaching99%. Lesions most often present on the trunk or armas erythematous-to-violaceous papules, plaques, ornodules. Approximately one-half of patients havesolitary skin lesions...
December 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28325356/primary-cutaneous-spindle-cell-b-cell-lymphoma-a-report-of-three-cases-and-review-of-the-literature
#20
REVIEW
Cynthia M Magro, Shabnam Momtahen
Primary cutaneous spindle cell lymphoma is a rare variant of primary cutaneous B-cell lymphoma (PCBCL). Herein, we present 3 cases of primary cutaneous spindle cell B cell lymphoma, 2 males and one female (age range 66-76years). The patients presented with solitary skin lesions, distributed in the head and neck area and chest. The dominant cell size was in the intermediate to large cell size range. While the main cell type was a spindled one, other cells with a nuclear morphology quite typical for a centroblast were noted and as well careful inspection in the three cases revealed a focal residuum of germinal center-like structures...
April 2017: Annals of Diagnostic Pathology
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