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cutaneous B cell lymphoma

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https://www.readbyqxmd.com/read/27904290/a-case-of-cutaneous-epstein-barr-virus-associated-diffuse-large-b-cell-lymphoma-in-an-angioimmunoblastic-t-cell-lymphoma
#1
Mi-Hye Lee, Ik-Jun Moon, Woo-Jin Lee, Chong-Hyun Won, Sung-Eun Chang, Jee-Ho Choi, Mi-Woo Lee
No abstract text is available yet for this article.
December 2016: Annals of Dermatology
https://www.readbyqxmd.com/read/27904177/a-clinicopathological-analysis-of-primary-cutaneous-lymphomas-a-6-year-observational-study-at-a-tertiary-care-center-of-south-india
#2
Anza Khader, Shiny Padinjarayil Manakkad, Mohammed Shaan, Sarita Sasidharan Pillai, Najeeba Riyaz, P Binitha Manikoth, Muhammed Kunnummel, Sunitha Balakrishnan
BACKGROUND: Little data are available concerning clinical and pathological patterns of cutaneous lymphomas in India. AIM: To analyze the clinical and histopathological characteristics of cutaneous lymphomas in Indian patients. MATERIALS AND METHODS: This is a single-center, prospective, observational study carried out from January 1, 2010, to December 31, 2015. The patients underwent clinical examination, human T-cell lymphotropic virus-1 (HTLV-1) screening, skin biopsy with hematoxylin and eosin and immunohistochemistry staining...
November 2016: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/27894880/lymphoma-of-the-eyelid
#3
REVIEW
Frederik Holm Svendsen, Steffen Heegaard
Lymphoma of the eyelid constitutes 5% of ocular adnexal lymphoma. In previously published cases, 56% of lymphomas of the eyelid are of B-cell origin and 44% are of T-cell origin. The most frequent B-cell lymphomas are extranodal marginal zone lymphoma (27 cases--14%) and diffuse large B-cell lymphoma (18 cases--9%). T-cell lymphomas are most frequently mycosis fungoides (25 cases--13%), extranodal NK/T-cell, nasal type lymphoma (12 cases--6%) and primary cutaneous anaplastic large cell lymphoma (12 cases--6%)...
November 25, 2016: Survey of Ophthalmology
https://www.readbyqxmd.com/read/27890930/histone-deacetylase-inhibitors-interrupt-hsp90-rasgrp1-and-hsp90-craf-interactions-to-upregulate-bim-and-circumvent-drug-resistance-in-lymphoma-cells
#4
H Ding, K L Peterson, C Correia, B Koh, P A Schneider, G S Nowakowski, S H Kaufmann
Histone deacetylase (HDAC) inhibitors, which are approved for the treatment of cutaneous T cell lymphoma and multiple myeloma, are undergoing evaluation in other lymphoid neoplasms. How they kill susceptible cells is incompletely understood. Here we show that trichostatin A, romidepsin, and panobinostat induce apoptosis across a panel of malignant B cell lines, including lines that are intrinsically resistant to bortezomib, etoposide, cytarabine, and BH3 mimetics. Further analysis traces the pro-apoptotic effects of HDAC inhibitors to increased acetylation of the chaperone heat shock protein 90 (HSP90), causing release and degradation of the HSP90 client proteins RASGRP1 and CRAF, which in turn leads to downregulation of mitogen activated protein kinase pathway signaling and upregulation of the pro-apoptotic BCL2 family member BIM in vitro and in vivo...
November 28, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27879514/primary-cutaneous-t-cell-lymphomas-showing-gamma-delta-%C3%AE-%C3%AE-phenotype-and-predominantly-epidermotropic-pattern-are-clinicopathologically-distinct-from-classic-primary-cutaneous-%C3%AE-%C3%AE-t-cell-lymphomas
#5
E Dean Merrill, Rose Agbay, Roberto N Miranda, Phyu P Aung, Michael T Tetzlaff, Ken H Young, Jonathan L Curry, Priyadharsini Nagarajan, Doina Ivan, Victor G Prieto, L Jeffrey Medeiros, Madeleine Duvic, Carlos A Torres-Cabala
Primary cutaneous gamma-delta (γδ) T-cell lymphoma is a rare disease that typically involves the dermis and subcutis. Cases of primary cutaneous T-cell lymphomas showing γδ phenotype and predominantly epidermotropic pattern (EγδTCL) are not well defined. In this series, cases of primary cutaneous T-cell lymphomas showing γδ phenotype were reviewed and classified as predominantly epidermotropic (EγδTCL) when >75% of lymphoma cells resided in the epidermis or predominantly dermal and/or subcutaneous (DSγδTCL)...
November 22, 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27821903/proteomic-approaches-to-biomarker-discovery-in-cutaneous-t-cell-lymphoma
#6
REVIEW
Alexandra Ion, Iris Maria Popa, Laura Maria Lucia Papagheorghe, Cristina Lisievici, Mihai Lupu, Vlad Voiculescu, Constantin Caruntu, Daniel Boda
Cutaneous T-cell lymphoma (CTCL) is the most frequently encountered type of skin lymphoma in humans. CTCL encompasses multiple variants, but the most common types are mycosis fungoides (MF) and Sezary syndrome (SS). While most cases of MF run a mild course over a period of many years, other subtypes of CTCL are very aggressive. The rapidly expanding fields of proteomics and genomics have not only helped increase knowledge concerning the carcinogenesis and tumor biology of CTCL but also led to the discovery of novel markers for targeted therapy...
2016: Disease Markers
https://www.readbyqxmd.com/read/27807508/occurrence-of-lymphoma-in-non-gonadal-organ-during-pregnancy-a-report-on-four-cases-and-literature-review
#7
Da-Lin Gao, Qian-Qian Fu, Tian-Tian Zhang, Lin Sun, Yi Pan, Qiong-Li Zhai
Lymphoma rarely occurs during pregnancy, making this condition difficult to define. Lymphomas that occur in reproductive organs during pregnancy exhibit unique clinical characteristics. Among the limited cases, non-Hodgkin's lymphoma (NHL) shows a considerably higher incidence rate than Hodgkin's lymphoma (HL); NHL also displays clinical characteristics, such as high aggressiveness, advanced stage, and poor outcome. This study reports on four cases of lymphomas in non-gonadal organs (HL, n=2; NHL, n=2) during pregnancy...
September 2016: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/27792043/the-role-of-18f-fdg-pet-and-pet-ct-in-the-evaluation-of-primary-cutaneous-lymphoma
#8
Lin Qiu, Guojian Tu, Jing Li, Yue Chen
Primary cutaneous lymphoma (PCL) is the second most common type of extranodal non-Hodgkin lymphoma, including both cutaneous T-cell and B-cell lymphomas. PCL comprises numerous subtypes and thus has myriad clinical presentations in the skin and subcutaneous tissues. Accurate classification and staging are important for making treatment recommendations for PCL and will further impact patient prognosis significantly. We review the role of fluorine-18-fluorodeoxyglucose (F-FDG) PET (F-FDG PET) and F-FDG PET with computed tomography (CT) in the diagnosis, staging, tumor biological evaluation, treatment response assessment, and early recurrence surveillance of PCL...
October 27, 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27787356/pegylated-liposomal-encapsulated-doxorubicin-in-cutaneous-composite-lymphoma-a-case-report
#9
Uwe Wollina, Dana Langner, Gesina Hansel, Gunter Haroske
BACKGROUND: Cutaneous composite lymphomas are very rare. Their treatment depends upon the different contributing lymphoma entities. Peripheral T-cell lymphoma, not otherwise specified, (PTCL-NOS) represents an aggressive lymphoma subtype. Follicular cutaneous B-cell lymphoma (FCBCL) runs an indolent course. Treatment with pegylated liposomal encapsulated doxorubicin (PLE-DOXO) has yet not been reported in this entity. CASE PRESENTATION: A 73-year-old male patient presented with 3 rapidly growing, painful nodules on his left leg...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27782301/clinical-manifestations-and-pathogenesis-of-cutaneous-lymphomas-current-status-and-future-directions
#10
REVIEW
Belen Rubio-Gonzalez, Jasmine Zain, Steven T Rosen, Christiane Querfeld
The primary cutaneous lymphomas are a heterogeneous group of T-, Natural Killer- and B- cell neoplasms with a wide range of clinical and pathological presentations, and with very different prognoses compared to systemic lymphomas. Recent studies have shown that the skin microenvironment, which is composed of various immune cell subsets as well as their spatial distribution and T-cell interactions through different chemokines and cytokines, has an important role in the development and pathogenesis of cutaneous lymphomas and has assisted in the development of novel and more effective immunotherapies...
October 26, 2016: British Journal of Haematology
https://www.readbyqxmd.com/read/27766674/cutaneous-metastasis-of-inflammatory-breast-carcinoma-mimicking-an-erythema-annulare-centrifugum-a-sign-of-locally-recurrent-cancer
#11
V Sabater, F Ferrando, A Morera, L Palomar
Erythema annulare centrifugum (EAC) is a clinical reaction pattern that includes lupus erythematosus, spongiotic dermatitis (particularly pityriasis rosea), pseudolymphoma and cutaneous B-cell lymphoma. However, it can be the result of cutaneous metastasis by an internal carcinoma. We present the case of a 38-year-old woman with bilateral inflammatory breast cancer following multimodal therapy. After chemotherapy, the patient developed EAC on her back, clinically suspect of subacute cutaneous lupus erythematosus...
October 20, 2016: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/27766406/cd164-identifies-cd4-t-cells-highly-expressing-genes-associated-with-malignancy-in-s%C3%A3-zary-syndrome-the-s%C3%A3-zary-signature-genes-fcrl3-tox-and-mir-214
#12
Bernice M Benoit, Neha Jariwala, Geraldine O'Connor, Landon K Oetjen, Timothy M Whelan, Adrienne Werth, Andrea B Troxel, Hélène Sicard, Lisa Zhu, Christopher Miller, Junko Takeshita, Daniel W McVicar, Brian S Kim, Alain H Rook, Maria Wysocka
Sézary syndrome (SS), a leukemic variant of cutaneous T-cell lymphoma (CTCL), is associated with a significantly shorter life expectancy compared to skin-restricted mycosis fungoides. Early diagnosis of SS is, therefore, key to achieving enhanced therapeutic responses. However, the lack of a biomarker(s) highly specific for malignant CD4(+) T cells in SS patients has been a serious obstacle in making an early diagnosis. We recently demonstrated the high expression of CD164 on CD4(+) T cells from Sézary syndrome patients with a wide range of circulating tumor burdens...
October 20, 2016: Archives of Dermatological Research
https://www.readbyqxmd.com/read/27759700/a-rare-case-of-solitary-hemorrhagic-mycosis-fungoides-with-angiocentric-features
#13
Irena E Belousova, Alexey V Samtsov, Dmitry V Kazakov
Unilesional (solitary) mycosis fungoides (MF) is a rare variant characterized clinically by the presence of a single contiguous area of skin involvement covering less than 5% of the body surface and histopathologically by features identical to those seen in classical MF. Angiocentricity (angiodestruction) is mostly a feature of primary or secondary cutaneous lymphomas with an aggressive course and poor outcome, with only very few reports of MF with angiocentric pattern. The authors report an unusual case of solitary patch-stage MF with hemorrhagic features, characterized histologically by epidermotropic and angiocentric (angiodestructive) infiltrate and a reactive B-cell component appearing as lymphoid follicles...
October 18, 2016: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/27759694/an-aggressive-primary-cutaneous-follicle-center-lymphoma-with-c-myc-translocation-and-cdkn2a-9p21-deletion-a-case-report-and-review-of-the-literature
#14
Hamilton C Tsang, Susan Mathew, Cynthia M Magro
Diffuse large cell B-cell lymphoma of the skin is most commonly represented by diffuse large cell variants of primary cutaneous follicle center lymphoma and the leg-type lymphoma. In a minority of cases, the infiltrates are an expression of stage 4 disease of established extracutaneous B-cell lymphoma. We describe 1 female patient 85 years of age with an aggressive form of primary cutaneous B-cell lymphoma manifesting in multiple firm erythematous indurated solid nodules 1-2 cm each symmetrically on the face periorbitally and on the upper extremities bilaterally...
October 18, 2016: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/27741114/mycosis-fungoides-patient-accompanied-actinic-keratosis-actinic-keratosis-with-squamous-cell-carcinoma-transformation-and-porokeratosis-after-nbuvb-therapy-1st-case-report-and-review-of-the-literature
#15
Meng-Jie Zhao, Bilal Abdul-Fattah, Xiao-Ying Qu, Cui-Yan Wang, Xia Wang, Yi Ran, Ting Lai, Si-Yuan Chen, Chang-Zheng Huang
INTRODUCTION: Mycosis fungoides (MF) is the most common form of primary cutaneous T cell lymphoma. Narrowband ultraviolet B light (NBUVB) is used increasingly in treating MF because of its good toleration and well-established management. CONCERNS: To discuss the risk factors and underlying pathogenic factors in the patients with secondary skin diseases after NBUVB therapy. METHODS: We report in details the first case of a patient with MF accompanied with actinic keratosis (AK), AK with squamous cell carcinoma (SCC) transformation and porokeratosis after NBUVB therapy...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27728561/cutaneous-t-cell-lymphoma
#16
Rikita R Mudhol, R Bhise, B Srinivas
No abstract text is available yet for this article.
January 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27687726/psoralen-and-ultraviolet-a-light-treatment-directly-affects-phosphatidylinositol-3-kinase-signal-transduction-by-altering-plasma-membrane-packing
#17
Britt Van Aelst, Rosalie Devloo, Pierre Zachée, Ruben t'Kindt, Koen Sandra, Philippe Vandekerckhove, Veerle Compernolle, Hendrik B Feys
Psoralen and ultraviolet A light (PUVA) are used to kill pathogens in blood products and as a treatment of aberrant cell proliferation in dermatitis, cutaneous T-cell lymphoma, and graft-versus-host disease. DNA damage is well described, but the direct effects of PUVA on cell signal transduction are poorly understood. Because platelets are anucleate and contain archetypal signal transduction machinery, they are ideally suited to address this. Lipidomics on platelet membrane extracts showed that psoralen forms adducts with unsaturated carbon bonds of fatty acyls in all major phospholipid classes after PUVA...
November 18, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27675916/effectiveness-of-very-low-and-low-dose-radiation-for-primary-cutaneous-anaplastic-large-cell-lymphoma
#18
G L Smith, M Duvic, Z Abou Yehia, P K Allen, N Garg, T Suki, S A Milgrom, C C Pinnix, Y Oki, B Dabaja
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/27665744/primary-cutaneous-b-cell-lymphoma-other-than-marginal-zone-clinicopathologic-analysis-of-161-cases-comparison-with-current-classification-and-definition-of-prognostic-markers
#19
Marco Lucioni, Emilio Berti, Luca Arcaini, Giorgio A Croci, Aldo Maffi, Catherine Klersy, Gaia Goteri, Carlo Tomasini, Pietro Quaglino, Roberta Riboni, Mariarosa Arra, Elena Dallera, Vieri Grandi, Mauro Alaibac, Antonio Ramponi, Sara Rattotti, Maria Giuseppina Cabras, Silvia Franceschetti, Giulio Fraternali-Orcioni, Nicola Zerbinati, Francesco Onida, Stefano Ascani, Maria Teresa Fierro, Serena Rupoli, Marcello Gambacorta, Pier Luigi Zinzani, Nicola Pimpinelli, Marco Santucci, Marco Paulli
Categorization of primary cutaneous B-cell lymphomas (PCBCL) other than marginal zone (MZL) represents a diagnostic challenge with relevant prognostic implications. The 2008 WHO lymphoma classification recognizes only primary cutaneous follicular center cell lymphoma (PCFCCL) and primary cutaneous diffuse large B-cell lymphoma, leg type (PCDLBCL-LT), whereas the previous 2005 WHO/EORTC classification also included an intermediate form, namely PCDLBCL, other. We conducted a retrospective, multicentric, consensus-based revision of the clinicopathologic characteristics of 161 cases of PCBCL other than MZL...
September 26, 2016: Cancer Medicine
https://www.readbyqxmd.com/read/27650702/cutaneous-b-cell-lymphomas-2016-update-on-diagnosis-risk-stratification-and-management
#20
Ryan A Wilcox
DISEASE OVERVIEW: Approximately one-fourth of cutaneous lymphomas are B-cell derived and are generally classified into three distinct subgroups: primary cutaneous follicle center lymphoma (PCFCL), primary cutaneous marginal zone lymphoma (PCMZL), and primary cutaneous diffuse large B-cell lymphoma, leg type (PCDLBCL, LT). DIAGNOSIS: Diagnosis and disease classification is based on histologic review and immunohistochemical staining of an appropriate skin biopsy. Pathologic review and an appropriate staging evaluation are necessary to distinguish primary cutaneous B-cell lymphomas from systemic B-cell lymphomas with secondary skin involvement...
October 2016: American Journal of Hematology
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