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    11195 results match your criteria Cutaneous T-Cell Lymphoma

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    Pachyderma in Primary Cutaneous NK and T-Cell Lymphoma and Leukemia Cutis.
    Case Rep Dermatol 2017 Sep-Dec;9(3):151-157. Epub 2017 Sep 11.
    Department of Dermatology, Liège University Hospital, Liège, Belgium.
    Background: Pachyderma is defined as severely thickened skin with deep folds and is occasionally observed with primary cutaneous NK and T-cell lymphoma (pCNKTCL), primary cutaneous B-cell lymphoma (pCBCL), and leukemia cutis (LC).

    Aim: To describe the clinical, histological, and therapeutic particularities of a series of pCNKTCL, pCBCL, and LC patients with pachyderma.

    Results: In a series of pCNKTCL (n = 70), pCBCL (n = 12), and LC (n = 2) patients followed up during 9 years, 6 cases of pachyderma were observed. Read More

    Clinical Insights and Emerging Strategies in Managing Cutaneous T-Cell Lymphoma.
    J Drugs Dermatol 2017 May;16(5):405-412

    Mycosis Fungoides and Sézary Syndrome, the two most common types of Cutaneous T-Cell Lymphoma (CTCL), present many management challenges for dermatologists. Here, we provide a comprehensive review of up-to-date literature, guidelines, and expert clinical insights. We highlight the updates in the World Health Organization Classification of Cutaneous Lymphomas; we summarize the epidemiology, including a recently observed stabilization of increasing incidence of CTCL in the past decade and increased incidence in males, blacks, and veterans; we also provide the most recent updates on prognostic factors for CTCL. Read More


    Histone deacetylase inhibitors downregulate CCR4 expression and decrease mogamulizumab efficacy in CCR4-positive mature T-cell lymphomas.
    Haematologica 2017 Oct 12. Epub 2017 Oct 12.
    Akita University Graduate School of Medicine, Akita, Japan;
    HDAC inhibitors are promising agents for various T-cell lymphomas, including cutaneous T-cell lymphoma, peripheral T-cell lymphoma, and adult T-cell lymphoma/leukemia. CCR4 is an important therapeutic target molecule because mogamulizumab, an anti-CCR4 antibody, has shown promising efficacy against various T-cell lymphomas. In this study, we examined the in vitro synergistic effects of mogamulizumab and HDAC inhibitors against various T-cell lymphomas. Read More

    The optimal regimen of brentuximab vedotin for CD30+ cutaneous lymphoma: Are we there yet?
    Br J Dermatol 2017 Oct 10. Epub 2017 Oct 10.
    Lymphoma Service, Department of Medicine, Memorial Sloan-Kettering Cancer Center and Weill Cornell Medicine, New York, NY, USA.
    Brentuximab vedotin (BV) is an anti-CD30 antibody-drug conjugate that is approved for refractory Hodgkin lymphoma and systemic anaplastic large-cell lymphoma. In the ALCANZA trial, the proportion of CD30+ cutaneous T-cell lymphoma (CTCL) patients achieving an objective response lasting at least 4 months was 56.3% with BV versus 12. Read More

    TruSeq-Based Gene Expression Analysis of Formalin-Fixed Paraffin-Embedded (FFPE) Cutaneous T-Cell Lymphoma Samples: Subgroup Analysis Results and Elucidation of Biases from FFPE Sample Processing on the TruSeq Platform.
    Front Med (Lausanne) 2017 22;4:153. Epub 2017 Sep 22.
    Division of Dermatology, McGill University Health Centre, Montreal, QC, Canada.
    Cutaneous T-cell lymphomas (CTCLs) are a heterogeneous group of malignancies with courses ranging from indolent to potentially lethal. We recently studied in a 157 patient cohort gene expression profiles generated by the TruSeq targeted RNA gene expression sequencing. We observed that the sequencing library quality and depth from formalin-fixed paraffin-embedded (FFPE) skin samples were significantly lower when biopsies were obtained prior to 2009. Read More

    Hoarseness as a presentation of mycosis fungoides infiltrating the larynx.
    BMJ Case Rep 2017 Oct 9;2017. Epub 2017 Oct 9.
    Division of Dermatology, Washington University School of Medicine, St Louis, Missouri, USA.
    Laryngeal involvement is a rare manifestation of mycosis fungoides (MF), with only nine reported cases of cutaneous T cell lymphoma with laryngeal or vocal cord involvement. Herein, we report the case of a patient with a 7-year history of MF who presented to the emergency department with hoarseness, throat tightness and cough, as well as erythroderma and skin tumours. Laryngoscopy and CT imaging were concerning for lymphomatous involvement of the left false vocal cord. Read More

    Bilateral Upper and Lower Eyelid Margin Swelling and Madarosis due to Lymphoma.
    Surv Ophthalmol 2017 Oct 3. Epub 2017 Oct 3.
    the Ophthalmic Plastic and Reconstructive Surgery Service, Boston, Massachusetts; Department of Ophthalmology of the Massachusetts Eye and Ear Infirmary, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts.
    Over a 2 year period a 32-year-old woman developed swellings of all 4 eyelid margins accompanied by complete loss of eyelashes. An inflammatory dermatologic condition was considered the most likely cause. A full thickness right lower eyelid biopsy revealed a multinodular lymphoid tumor at the eyelid margin which immunophenotypically and genetically was diagnosed as an extranodal marginal zone lymphoma. Read More

    Primary Cutaneous CD8+ T-cell Lymphoma, an Indolent and Locally Aggressive Form Mimicking Paronychia.
    Am J Dermatopathol 2017 Sep 28. Epub 2017 Sep 28.
    Departments of *Dermatology and Cutaneous Biology, †Medical Oncology, and ‡Radiation Oncology, Thomas Jefferson University, Philadelphia, PA.
    CD8 T-cell lymphomas comprise a wide spectrum of lymphomas, many which have yet to be formally classified. We present a case of a 43-year-old woman with an enlarging tumor distal to the distal interphalangeal joint of the fourth finger, compressing the underlying nail matrix. Magnetic resonance imaging showed bony involvement of the underlying distal phalanx. Read More

    ONC201 selectively induces apoptosis in cutaneous T-cell lymphoma cells via activating pro-apoptotic integrated stress response and inactivating JAK/STAT and NF-κB pathways.
    Oncotarget 2017 Sep 27;8(37):61761-61776. Epub 2017 Jun 27.
    Department of Dermatology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
    Cutaneous T-cell lymphomas (CTCLs) are extremely symptomatic and still incurable, and more effective and less toxic therapies are urgently needed. ONC201, an imipridone compound, has shown efficacy in pre-clinical studies in multiple advanced cancers. This study was to evaluate the anti-tumor activity of ONC201 on CTCL cells. Read More

    Systemic and primary cutaneous anaplastic large cell lymphoma: Clinical features, morphological spectrum, and immunohistochemical profile.
    South Asian J Cancer 2017 Jul-Sep;6(3):129-131
    Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA.
    Background: T-cell lymphomas with anaplastic morphology typically comprise of anaplastic lymphoma kinase positive, anaplastic large cell lymphoma (ALK+ ALCL), ALK-negative ALCL (ALK- ALCL), and primary cutaneous ALCL (PC-ALCL). However, other entities such as diffuse large B-cell lymphoma, peripheral T-cell lymphoma, Hodgkin lymphoma, and undifferentiated carcinoma can also show similar anaplastic features.

    Aims: To study the clinical features and histological spectrum of ALCL and emphasize the role of immunohistochemistry (IHC) in their diagnosis and categorization. Read More

    Synergy of BCL2 and histone deacetylase inhibition against leukemic cells from cutaneous T-cell lymphoma patients.
    Blood 2017 Oct 2. Epub 2017 Oct 2.
    Department of Dermatology, Yale University School of Medicine, New Haven, CT, United States;
    The presence and degree of peripheral blood involvement in patients with cutaneous T-cell lymphoma (CTCL) portend a worse clinical outcome. Available systemic therapies for CTCL may variably decrease tumor burden and improve quality of life, but offer limited effects on survival; thus, novel approaches to the treatment of advanced stages of this non-Hodgkin lymphoma are clearly warranted. Mutational analyses of CTCL patient peripheral blood malignant cell samples suggested the anti-apoptotic mediator BCL2 as a potential therapeutic target. Read More

    CD30+ T cell enriched primary cutaneous CD4+ small/medium sized pleomorphic T cell lymphoma: A distinct variant of indolent CD4+ T cell lymphoproliferative disease.
    Ann Diagn Pathol 2017 Oct 27;30:52-58. Epub 2017 Apr 27.
    Department of Pathology and Laboratory Medicine, New York Presbyterian Hospital/Weill Cornell Medicine, New York, NY, USA.
    Primary cutaneous CD4+ small/medium sized pleomorphic T-cell lymphoma (SMPTCL) is unique among the peripheral T-cell lymphomas because of its indolent nature, typically presenting as a solitary nodule or plaque in the head and neck area of middle-aged and older adults. Recent studies have suggested a follicular helper cell origin for these lesions.

    Materials And Methods: A retrospective review was conducted on all cases of SMPTCL diagnosed between 2008 and 2017. Read More

    Case for diagnosis. Infective dermatitis associated with HTLV-1: differential diagnosis of atopic dermatitis.
    An Bras Dermatol 2017 Jul-Aug;92(4):573-574
    Dermatology Service, Hospital das Clínicas, Universidade Federal de Minas Gerais - Belo Horizonte(MG), Brazil.
    Infective dermatitis associated with HTLV-1 (IDH) is the main cutaneous marker of HTLV-1 infection. This disease occurs primarily in children and should be differentiated from other eczemas, especially from atopic dermatitis. The largest series of IDH are from Jamaica and Brazil. Read More

    Immunohistopathological Study of c-FLIP Protein in Mycosis Fungoides
    Asian Pac J Cancer Prev 2017 09 27;18(9):2493-2499. Epub 2017 Sep 27.
    Lecturer of Dermatology and Venereology, Faculty of medicine, Tanta University, 31111, Tanta, Egypt. Email:
    Background: Mycosis fungoides (MF) is the commonest variant of primary cutaneous T cell lymphoma with several clinicopathologic variants. Defective apoptotic mechanism may be important in the pathogenesis and progression of MF. c-FLIP protein is an important anti-apoptotic marker and chemotherapeutic resistant factor. Read More

    Pediatric mycosis fungoides: a study of the human leukocyte antigen system among Israeli Jewish patients.
    Arch Dermatol Res 2017 Sep 25. Epub 2017 Sep 25.
    Department of Dermatology, Rabin Medical Center, Beilinson Hospital, 4941492, Petach Tikva, Israel.
    Pediatric mycosis fungoides (MF) is a rare disease characterized by over-representation of atypical clinical variants, with a different prognosis from adult MF. Several human leukocyte antigen (HLA) alleles have been associated with MF in certain adult populations, including Israeli Jews. However, HLA data on pediatric MF as a group are lacking. Read More

    Expression of TFH Markers and Detection of RHOA p.G17V and IDH2 p.R172K/S Mutations in Cutaneous Localizations of Angioimmunoblastic T-Cell Lymphomas.
    Am J Surg Pathol 2017 Sep 22. Epub 2017 Sep 22.
    *Pathology Department, Henri Mondor Hospital, Assistance Publique-Hôpitaux de Paris †INSERM U955 équipe 9, Institut Mondor de Recherche Biomédicale ‡Paris Est Creteil University (UPEC) ¶Biological Immunology Department, Henri Mondor Hospital, Assistance Publique-Hôpitaux de Paris #Dermatology department, Henri Mondor Hospital, Assistance Publique-Hôpitaux de Paris **Hematology Department, Lymphoid hemopathy Unit, Henri Mondor Hospital, Assistance Publique-Hôpitaux de Paris, Créteil ††Dermatology Department, Saint-André Hospital, CHU de Bordeaux ‡‡INSERM U1053, Bordeaux Research in Translational Oncology, Team 3 Oncogenesis of Cutaneous Lymphomas, Bordeaux University, Bordeaux §Pathoogy department, Haut-Lévèque Hospital, CHU de Bordeaux §§Tumor Biology Department, Haut-Lévèque Hospital, CHU de Bordeaux, Pessac, France ∥Pathology Department Prof Lima Basto, Lisboa, Portugal.
    Skin biopsies of 41 angioimmunoblastic T-cell lymphoma patients were retrospectively analyzed for the expression of follicular helper T-cell (TFH) markers, Epstein-Barr virus (EBV), and the presence of RHOA (p.G17V) and IDH2 (p.R172K/S) mutations using allele-specific polymerase chain reaction. Read More

    Cutaneous Richter Syndrome Mimicking Primary Cutaneous CD4-Positive Small/Medium T-cell Lymphoma: Case Report and Review of the Literature.
    Am J Dermatopathol 2017 Sep 12. Epub 2017 Sep 12.
    Serviço de Anatomia Patológica, Instituto Português de Oncologia de Lisboa Francisco Gentil, Lisboa, Portugal.
    Richter syndrome represents the transformation of chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma into an aggressive large B-cell lymphoma. Skin involvement is exceptionally rare, with <20 cases reported and its presence as the first presentation of CLL/small lymphocytic lymphoma, as an isolated skin lesion has never been described. Primary cutaneous CD4-positive small/medium T-cell lymphoma (CD4 PCSM-TCL) characteristically presents with a dense dermal infiltrate consisting primarily of small-/medium-sized pleomorphic T-cells and less than 30% large pleomorphic cells. Read More

    From a Better Understanding of the Mechanisms of Action of Histone Deacetylases Inhibitors to the Progress of the Treatment of Malignant Lymphomas and Plasma Cell Myeloma.
    Recent Pat Anticancer Drug Discov 2017 Sep 19. Epub 2017 Sep 19.
    "Lucian Blaga" University of Sibiu, Faculty of Medicine, Emergency County Clinical Hospital Sibiu, Sibiu. Romania.
    Background: Notable progress has been made in chemo- and immunotherapy of B-cell lymphomas, but less in the treatment of T-cell lymphomas.

    Objective: Histone deacetylases inhibitors are a potentially useful therapeutic mean, as an epigenetic dysregulation is present in lymphomas, and especially in T-cell types. We aimed to study the progress made in this area. Read More

    Romidepsin alone or in combination with anti-CD20 chimeric antigen receptor expanded natural killer cells targeting Burkitt lymphoma in vitro and in immunodeficient mice.
    Oncoimmunology 2017 20;6(9):e1341031. Epub 2017 Jun 20.
    Department of Pediatrics, New York Medical College, Valhalla, NY.
    Facilitating the development of alternative targeted therapeutic strategies is urgently required to improve outcome or circumvent chemotherapy resistance in children, adolescents, and adults with recurrent/refractory de novo mature B-cell (CD20) non-Hodgkin lymphoma, including Burkitt lymphoma (BL). Romidepsin, a histone deacetylase inhibitor (HDACi), has been used to treat cutaneous T-cell lymphoma. We have demonstrated the significant anti-tumor effect of anti-CD20 chimeric antigen receptor (CAR) modified expanded peripheral blood natural killer (exPBNK) against rituximab-sensitive and -resistant BL. Read More

    Serum vascular endothelial growth factor A levels reflect itch severity in mycosis fungoides and Sézary syndrome.
    J Dermatol 2017 Sep 19. Epub 2017 Sep 19.
    Department of Dermatology, University of Tokyo Graduate School of Medicine, Tokyo, Japan.
    Angiogenesis is an important step to support progression of malignancies, including mycosis fungoides (MF) and Sézary syndrome (SS). Vascular endothelial growth factor (VEGF)-A, a key player in angiogenesis, is secreted by tumor cells of MF/SS and its expression levels in lesional skin correlated with disease severity. In this study, we examined serum VEGF-A levels in MF/SS patients. Read More

    Primary Cutaneous CD4-Positive Small/Medium-Sized Pleomorphic T-Cell Lymphoma Following Heart Transplantation.
    Int J Organ Transplant Med 2017 1;8(3):168-169. Epub 2017 Aug 1.
    Department of Cardiovascular Surgery, Tehran University of Medical Sciences, Tehran, Iran.
    Post-transplantation cutaneous lymphoproliferative diseases (PTCLD) are rare, with 29 cases have so far been reported in the literature-only 4 cases underwent cardiac transplantation. Herein, we report on, to the best of our knowledge, the first case in the English literature of primary cutaneous CD4-positive small/medium-sized pleomorphic T-cell lymphoma in a cardiac transplant recipient. Read More

    CUTANEOUS T-CELL LYMPHOMA WITH LYMPH NODE METASTASIS IN AN ADULT ADDAX (ADDAX NASOMACULATUS).
    J Zoo Wildl Med 2017 Sep;48(3):933-936
    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. Read More

    Periostin in the pathogenesis of skin diseases.
    Cell Mol Life Sci 2017 Sep 15. Epub 2017 Sep 15.
    Department of Dermatology, Course of Integrated Medicine, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka, 5650871, Japan.
    Skin is an organ that is susceptible to damage by external injury, chronic inflammation, and autoimmunity. Tissue damage causes alterations in both the configuration and type of cells in lesional skin. This phenomenon, called tissue remodeling, is a universal biological response elicited by programmed cell death, inflammation, immune disorders, and tumorigenic, tumor proliferative, and cytoreductive activity. Read More

    Therapeutic Antibodies to KIR3DL2 and Other Target Antigens on Cutaneous T-Cell Lymphomas.
    Front Immunol 2017 30;8:1010. Epub 2017 Aug 30.
    INSERM U976, Hôpital Saint-Louis, Paris, France.
    KIR3DL2 is a member of the killer cell immunoglobulin-like receptor (KIR) family that was initially identified at the surface of natural killer (NK) cells. KIR3DL2, also known as CD158k, is expressed as a disulfide-linked homodimer. Each chain is composed of three immunoglobulin-like domains and a long cytoplasmic tail containing two immunoreceptor tyrosine-based inhibitory motifs. Read More

    Specific immunotypes of canine T cell lymphoma are associated with different outcomes.
    Vet Immunol Immunopathol 2017 Sep 23;191:5-13. Epub 2017 Jul 23.
    Department of Pathobiology, University of Guelph, Guelph, ON, Canada. Electronic address:
    Canine lymphoma is a heterogeneous disease with many different subtypes. Lymphoma of T cell type in particular is variable in outcome, and includes subtypes with non-progressive, slowly- and rapidly-progressive disease course. Association of immunotype with disease course is incompletely defined. Read More

    Alternate dosing regimens of brentuximab vedotin for CD30+ cutaneous T-cell lymphoma: reply from authors.
    Br J Dermatol 2017 Sep 10. Epub 2017 Sep 10.
    Department of Dermatology, Venerology, Allergology and Phlebology, Johannes Wesling Medical Centre, University Hospital of Ruhr-University, Bochum, Germany.
    We thank the authors Lewis, Kim, and Duvic, for their reaction to our article. The increasingly personalised medicine should also take into account individual tumour entities and their inter-individual pathways. Therefore, we can only welcome and sustain the comments. Read More

    Alternate dosing regimens of brentuximab vedotin for CD30+ cutaneous T-cell lymphoma.
    Br J Dermatol 2017 Sep 10. Epub 2017 Sep 10.
    Department of Dermatology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
    Stranzenbach et al. propose alternate dosing regimens of brentuximab vedotin (BV) for CD30+ cutaneous T-cell lymphomas (CTCLs) such as mycosis fungoides (MF) and primary cutaneous anaplastic large cell lymphoma (pcALCL).(1) They emphasize that lower doses or less frequent dosing schedules for CTCL may be equally effective while limiting adverse events. Read More

    Understanding CD30 biology and therapeutic targeting: a historical perspective providing insight into future directions.
    Blood Cancer J 2017 Sep 8;7(9):e603. Epub 2017 Sep 8.
    Department of Haematology, Peter McCallum Cancer Centre, Melbourne, Victoria, Australia.
    CD30 is a member of the tumor necrosis factor receptor superfamily. It is characteristically expressed in certain hematopoietic malignancies, including anaplastic large cell lymphoma and Hodgkin lymphoma, among others. The variable expression of CD30 on both normal and malignant lymphoid cells has focused research efforts on understanding the pathogenesis of CD30 upregulation, its contribution to lymphomagenesis through anti-apoptotic mechanisms, and its effect on cell survival. Read More

    AN-7, a butyric acid prodrug, sensitizes cutaneous T-cell lymphoma cell lines to doxorubicin via inhibition of DNA double strand breaks repair.
    Invest New Drugs 2017 Sep 8. Epub 2017 Sep 8.
    Laboratory for Molecular Dermatology, Felsenstein Medical Research Center, Petach Tikva and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
    We previously found that the novel histone deacetylase inhibitor (HDACI) butyroyloxymethyl diethylphosphate (AN-7) had greater selectivity against cutaneous T-cell lymphoma (CTCL) than SAHA. AN-7 synergizes with doxorubicin (Dox), an anthracycline antibiotic that induces DNA breaks. This study aimed to elucidate the mechanism underlying the effect of AN-7 on Dox-induced double-strand DNA breaks (DSBs) in CTCL, MyLa and Hut78 cell lines. Read More

    Primary Cutaneous NK/T-cell Lymphoma of Nasal Type: An Age-related Lymphoproliferative Disease?
    Hum Pathol 2017 Sep 2. Epub 2017 Sep 2.
    Department of Pathology and Laboratory Medicine, Nagoya University Hospital, Nagoya, Japan; Department of Pathology and Molecular Diagnostics, Aichi Cancer Center Hospital, Nagoya, Japan. Electronic address:
    Among extranodal NK/T-cell lymphoma of nasal type (NKTL), the extranasal variant (ENKTL) is known to have a worse prognosis with advanced clinical stage than the nasal variant of NKTL. However, detailed clinicopathological features of the localized extranasal disease have not been well documented in English literature. Here, we described the clinicopathological profiles of 14 patients with stage I ENKTL, including 7 in the skin, 5 in the gastrointestinal tract, and 2 in the central nervous system, highlighting the distinctiveness of the first. Read More

    Cutaneous T-cell lymphoma: 2017 update on diagnosis, risk-stratification, and management.
    Am J Hematol 2017 Oct;92(10):1085-1102
    Division of Hematology/Oncology, University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan, 48109-5948.
    Disease Overview: Cutaneous T-cell lymphomas are a heterogenous group of T-cell lymphoproliferative disorders involving the skin, the majority of which may be classified as Mycosis Fungoides (MF) or Sézary Syndrome (SS).

    Diagnosis: The diagnosis of MF or SS requires the integration of clinical and histopathologic data.

    Risk-adapted Therapy: TNMB (tumor, node, metastasis, blood) staging remains the most important prognostic factor in MF/SS and forms the basis for a "risk-adapted," multi-disciplinary approach to treatment. Read More

    Hepatitis E virus-induced primary cutaneous CD30(+) T cell lymphoproliferative disorder.
    J Hepatol 2017 Aug 30. Epub 2017 Aug 30.
    Université Paris Descartes-Sorbonne Paris Cité, Paris, France; Institut National de la Santé et de la Recherche Médicale Unité 1163, Centre National de la Recherche Scientifique, Equipes de Recherche Labellisées 8254, Institut Imagine, Paris, France; Assistance Publique-Hopitaux de Paris (AP-HP), Hôpital Necker - Enfants Malades, Haematology Service, Paris, France.
    Background & Aim: Several types of unexplained extra-hepatic manifestations, including haematological disorders, have been reported in the context of hepatitis E virus (HEV) infection. However, the underlying mechanism(s) of these manifestations are unknown. We provide evidence that HEV has an extra-hepatic endothelial tropism that can engage cutaneous T cells towards clonality. Read More

    Responses to romidepsin in patients with cutaneous T-cell lymphoma and prior treatment with systemic chemotherapy.
    Leuk Lymphoma 2017 Aug 30:1-8. Epub 2017 Aug 30.
    l Kings College London , London , England.
    Cutaneous T-cell lymphomas (CTCL) are a group of non-Hodgkin lymphomas that typically present in the skin but can progress to systemic involvement. The optimal treatment for patients who relapse from or are refractory to systemic chemotherapy remains unclear. Romidepsin is a potent, class-I selective histone deacetylase inhibitor approved for the treatment of patients with CTCL who have had ≥1 prior systemic therapy. Read More

    Novel Mutations Involving NF-κB and B-Cell Signaling Pathways in Primary Cutaneous Large B-Cell Lymphoma, Leg-Type and Comparison with Sézary Syndrome.
    J Invest Dermatol 2017 Sep;137(9):1831-1833
    Department of Dermatology, Anderson Cancer Center, Houston, Texas, USA.
    Multiple genomic mutations, especially those involving the NF-κB pathway, have been characterized in primary cutaneous large B-cell lymphoma, leg type. However, its genomic profiling remains limited given its rarity. In a recent study, Mareschal et al. Read More

    A single center phase II study of ixazomib in patients with relapsed or refractory cutaneous or peripheral T-cell lymphomas.
    Am J Hematol 2017 Aug 26. Epub 2017 Aug 26.
    Division of Hematology and Oncology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan.
    The transcription factor GATA-3, highly expressed in many cutaneous T-cell lymphoma (CTCL) and peripheral T-cell lymphomas (PTCL), confers resistance to chemotherapy in a cell-autonomous manner. As GATA-3 is transcriptionally regulated by NF-κB, we sought to determine the extent to which proteasomal inhibition impairs NF-κB activation and GATA-3 expression and cell viability in malignant T cells. Proteasome inhibition, NF-κB activity, GATA-3 expression, and cell viability were examined in patient-derived cell lines and primary T-cell lymphoma specimens ex vivo treated with the oral proteasome inhibitor ixazomib. Read More

    Mononuclear cell collection for extracorporeal photopheresis: Concentrate characteristics for off-line UV-A irradiation procedure.
    J Clin Apher 2017 Aug 22. Epub 2017 Aug 22.
    Transfusion Medicine Department, Catholic University of Rome, Rome, Italy.
    Background And Objective: Extracorporeal photopheresis (ECP) is the most represented cell therapy for treatment of cutaneous T-cell lymphoma, graft-versus host disease and organ rejection. We analyzed our experience in ECP using 2 cell separators (Cobe Spectra and Spectra Optia) focusing on leukapheretic product characteristics, UV-A irradiation procedure and entire ECP process.

    Materials And Methods: We collected data of patients undergoing ECP between January 2012 and February 2015 in order to evaluate collection procedures performed using Cobe Spectra and Spectra Optia, mononuclear cell product, UV-A photoirradiation procedure by Pit System. Read More

    Breast implant-associated anaplastic large cell lymphoma: A review and assessment of cutaneous manifestations.
    Int J Womens Dermatol 2017 Sep 11;3(3):140-144. Epub 2017 Jul 11.
    Department of Dermatology, University of Connecticut Health Center, Farmington, CT.
    One newly recognized form of T-cell lymphoma is breast implant-associated anaplastic large cell lymphoma (biALCL), which appears in close proximity to breast implants. The number of reported cases of biALCL is increasing and warrants careful attention by clinicians to more effectively diagnose and treat affected individuals. As pertinent to dermatologists, the objective of this paper is to present the associated cutaneous features of this clinical entity along with the pathogenesis, management, and clinical outcomes. Read More

    Monoclonal antibodies against cutaneous T-cell lymphomas.
    Expert Opin Biol Ther 2017 Aug 28:1-8. Epub 2017 Aug 28.
    a Unit of Dermatology, Department of Medicine , University of Padua , Padua , Italy.
    Introduction: Cutaneous T-cell lymphomas (CTCLs) comprise of a group of rare and heterogeneous skin lymphoproliferative disorders derived from skin resident T cells. Treatment of CTCLs is based on skin-directed approaches and/or systemic therapies. Advanced CTCLs are difficult to treat with the currently available treatments as they generally fail to obtain prolonged clinical remission. Read More

    [(18)F-FDG PET/CT Manifestation and Clinical Analysis of Subcutaneous Panniculitis-Like T-Cell Lymphoma].
    Zhongguo Shi Yan Xue Ye Xue Za Zhi 2017 Aug;25(4):1047-1052
    Department of Pathology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, Jiangsu Province, China.
    Objective: To explore the clinical presentation, imaging characteristics of (18)F-FDG PET/CT and prognosis of patients with subcutaneous panniculitis-like T-cell lymphoma (SPTCL).

    Methods: The images and clinical data of 7 patients with pathologically confirmed SPTCL who underwent (18)F-FDG PET/CT were retrospectively analyzed.

    Results: Six patients displayed multiple subcutaneous nodules or deeply seated plaques, most commonly on the extremities and trunk, and one patient showed a single lesion on his face. Read More

    Brentuximab vedotin therapy for CD30-positive cutaneous T-cell lymphoma: a targeted approach to management.
    Future Oncol 2017 Aug 14. Epub 2017 Aug 14.
    Dermatology - University Hospitals Birmingham NHS Foundation Trust, University Hospital Birmingham, Birmingham, B15 2TH, UK.
    CD30-positive primary cutaneous T-cell lymphoma (CTCL) includes mycosis fungoides, anaplastic large-cell lymphoma and lymphomatoid papulosis type A. Brentuximab vedotin (BV) consists of an antibody targeting CD30 with a protease-cleavable linker to vedotin. CD30 binding allows internalization of BV inducing cell-cycle arrest and apoptosis. Read More

    Hypopigmented Mycosis Fungoides with Large Cell Transformation in a Child.
    Pediatr Dermatol 2017 Sep 14;34(5):e260-e264. Epub 2017 Aug 14.
    Cutaneous Lymphoma Program, Department of Dermatology, University of Pittsburgh, Pittsburgh, Pennsylvania.
    Hypopigmented mycosis fungoides (HMF) is the most common variant of mycosis fungoides (MF) in children. Large-cell transformation in HMF has never been reported. Herein we report a case of HMF in an 8-year-old boy who presented with a 6-year history of hypopigmented patches on the bilateral arms, lower back, buttocks, posterior thighs, and lower legs. Read More

    Cutaneous T-cell Lymphoma.
    Clin Lab Med 2017 Sep;37(3):527-546
    Department of Pathology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA. Electronic address:
    Cutaneous T-cell lymphomas comprise a heterogeneous group of diseases characterized by monoclonal proliferations of T lymphocytes primarily involving skin, modified skin appendages, and some mucosal sites. This article addresses the basic clinical, histologic, and immunohistochemical characteristics of this group of diseases, with additional attention to evolving literature on dermoscopy, reflectance confocal microscopy, flow cytometry, and molecular data that may increasingly be applied to diagnostic and therapeutic algorithms in these diseases. Select unusual phenotypes or diagnostic examples of classic phenotypes are demonstrated, and flags for consideration while making a pathologic diagnosis of cutaneous T-cell lymphoma are suggested. Read More

    Immunohistochemistry reveals an increased proportion of MYC-positive cells in subcutaneous panniculitis-like T-cell lymphoma compared with lupus panniculitis.
    J Cutan Pathol 2017 Aug 11. Epub 2017 Aug 11.
    Department of Pathology, Stanford University School of Medicine, Stanford, California.
    Background: Subcutaneous panniculitis-like T-cell lymphoma (SPTCL) is a malignant primary cutaneous T-cell lymphoma that shares significant clinical, histopathologic and immunophenotypic overlap with lupus erythematosus panniculitis (LEP).

    Methods: We performed immunohistochemistry for the MYC oncoprotein on 23 cases of SPTCL (1 CD8 negative) and 12 cases of LEP to evaluate if there are quantitative or qualitative differences in protein expression of this marker in these entities.

    Results: In SPTCL cases, the percentage of all cells that were c-Myc positive ranged from 0. Read More

    Primary cutaneous acral CD8 positive T-cell lymphoma with extra-cutaneous involvement: A long-standing case with an unexpected progression.
    J Cutan Pathol 2017 Aug 10. Epub 2017 Aug 10.
    UOC Dermatologia, Fondazione IRCCS Ca' Granda - Ospedale Maggiore Policlinico, Milan, Italy.
    Primary cutaneous acral CD8+ T-cell lymphoma (acral CD8+ TCL) is a new provisional entity characterized by acral skin lesions and an indolent course. We describe an extraordinary case characterized by relapsed nodules with CD8+ cytotoxic infiltrates on the left ear. After 35 years, the skin lesions spread to other acral sites, and a mass with the same histological features as the other skin lesions appeared on the nose. Read More

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