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https://www.readbyqxmd.com/read/29785310/a-challenging-case-of-kikuchi-fujimoto-disease-associated-with-systemic-lupus-erythematosus-and-review-of-the-literature
#1
Mihaela Găman, Ana-Maria Vlădăreanu, Camelia Dobrea, Minodora Onisâi, Cristina Marinescu, Irina Voican, Daniela Vasile, Horia Bumbea, Diana Cîşleanu
Kikuchi-Fujimoto disease (KFD) or histiocytic necrotizing lymphadenitis is a rare disease that is frequently underdiagnosed due to clinical features that are similar to those of non-Hodgkin lymphomas, systemic lupus erythematosus (SLE), or infectious reactive lymphadenopathy. An excisional biopsy is required. We report a young Caucasian female diagnosed with KFD with skin lesions, complicating with SLE. The clinical course, laboratory, and CT findings are described, as are histopathologic features, for a better recognition of this rare disorder in clinical practice...
2018: Case Reports in Hematology
https://www.readbyqxmd.com/read/29780139/methotrexate-associated-intravascular-large-b-cell-lymphoma-in-a-patient-with-rheumatoid-arthritis-a-very-rare-case
#2
Masao Hagihara, Toru Mese, Shin Ohara, Jian Hua, Shiro Ide, Morihiro Inoue
we herein report a rare case of methotrexate (MTX)-associated intravascular large B-cell lymphoma (IVLBCL) in a man with rheumatoid arthritis. Two episodes of a fever of unknown origin accompanied by elevated levels of serum lactate dehydrogenase and the soluble interleukin-2 receptor occurred within a year, so the patient was suspected of having an MTX-associated lymphoproliferative disorder. His clinical symptoms resolved after the cessation of MTX. However, after treatment with iguratimod, another disease-modified anti-rheumatic drug, markedly similar symptoms recurred, and random skin biopsies resulted in a diagnosis of IVLBCL...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29779211/cutaneous-sarcoidosis-a-new-subset-in-the-spectrum-of-paraneoplastic-dermatoses
#3
M El-Khalawany, A Mosbeh, S Aboeldahab, S Ali
BACKGROUND: Sarcoidosis is a well-described disease that can be associated with various malignancies; however, this correlation is still not fully clarified. AIM: To determine the clinical and histological features, demographic characteristics, and prognosis of patients diagnosed with paraneoplastic sarcoidosis (PS). METHODS: This observational cohort prospective study included all patients diagnosed as cutaneous sarcoidosis. All patients were monitored for therapeutic response, prognosis, and any associated diseases or malignancies...
May 20, 2018: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29771146/nanosized-ethanol-based-malleable-liposomes-of-cytarabine-to-accentuate-transdermal-delivery-formulation-optimization-in-vitro-skin-permeation-and-in-vivo-bioavailability
#4
Rakesh Raj, Pooja Mongia Raj, Alpana Ram
Cytarabine is a pyrimidine nucleoside analog used predominantly for acute myeloid leukemia (AML) and also for other indications, including acute lymphocytic leukemia, chronic myelogenous leukemia, and lymphoma by parenteral route due to its low oral bioavailability. Parenteral administration requires constant plasma level, monitoring for its fluctuation and poor patients compliances. Hence the objective of this work is to construct optimized nanosized malleable liposomes of cytarabine to accentuate transdermal delivery of drug to circumvent previously mentioned drawbacks...
May 17, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29765972/reflectance-confocal-microscopy-as-new-diagnostic-tool-in-folliculotropic-mycosis-fungoides
#5
Gabriella Fabbrocini, Caterina Mazzella, Mariateresa Cantelli, Antonello Baldo, Daniela Russo, Gaetano De Rosa, Giuseppe Monfrecola
We present a case of folliculotropic mycosis fungoides (FMF), a variant of cutaneous T-cell lymphoma which particularly affects hair follicles. FMF can imitate a wide variety of otherwise benign dermatoses, so it poses major diagnostic obstacles both for the dermatologist as well as the dermatopathologist. In our case, in vivo reflectance confocal microscopy (RCM) was very important for guiding the skin biopsy site selection. For this reason, RCM can reduce the number of unsuccessful histopathological examinations and increase the diagnostic accuracy for different skin dermatoses...
April 2018: Skin Appendage Disorders
https://www.readbyqxmd.com/read/29745269/biophysical-and-photobiological-basics-of-water-filtered-infrared-a-hyperthermia-of-superficial-tumors
#6
Peter Vaupel, Helmut Piazena, Werner Müller, Markus Notter
Thermography-controlled, water-filtered infrared-A (wIRA) is a novel, effective and approved heating technique listed in the ESHO quality assurance guidelines for superficial hyperthermia clinical trials (2017). In order to assess the special features and the potential of wIRA-hyperthermia (wIRA-HT), detailed and updated information about its physical and photobiological background is presented. wIRA allows for (a) application of high irradiances without skin pain and acute grade 2-4 skin toxicities, (b) prolonged, therapeutically relevant exposure times using high irradiances (150-200 mW/cm2 ) and (c) faster and deeper heat extension within tissues...
May 10, 2018: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/29743350/high-throughput-sequencing-of-the-t-cell-receptor-%C3%AE-gene-identifies-aggressive-early-stage-mycosis-fungoides
#7
Adele de Masson, John T O'Malley, Christopher P Elco, Sarah S Garcia, Sherrie J Divito, Elizabeth L Lowry, Marianne Tawa, David C Fisher, Phillip M Devlin, Jessica E Teague, Nicole R Leboeuf, Ilan R Kirsch, Harlan Robins, Rachael A Clark, Thomas S Kupper
Mycosis fungoides (MF), the most common cutaneous T cell lymphoma (CTCL) is a malignancy of skin-tropic memory T cells. Most MF cases present as early stage (stage I A/B, limited to the skin), and these patients typically have a chronic, indolent clinical course. However, a small subset of early-stage cases develop progressive and fatal disease. Because outcomes can be so different, early identification of this high-risk population is an urgent unmet clinical need. We evaluated the use of next-generation high-throughput DNA sequencing of the T cell receptor β gene ( TCRB ) in lesional skin biopsies to predict progression and survival in a discovery cohort of 208 patients with CTCL (177 with MF) from a 15-year longitudinal observational clinical study...
May 9, 2018: Science Translational Medicine
https://www.readbyqxmd.com/read/29742194/widespread-skin-necrosis-secondary-to-gemcitabine-therapy
#8
Patrick M Zito, Adrianna M Gonzalez, Joshua D Fox, Megan Cronin, Nicholas Mackrides, Robert S Kirsner, Anna J Nichols
Gemcitabine, a pyrimidine nucleoside analogue, is an oncologic agent used in the treatment of cutaneous T-cell lymphoma (CTCL). Common dermatologic reactions associated with gemcitabine include alopecia, mild skin rash, and mucositis but skin necrosis is exceptional. Herein we present an unusual case of widespread skin necrosis mimicking toxic epidermal necrolysis in a 45-year-old woman receiving gemcitabine therapy for stage IIIA cutaneous T-cell lymphoma. This is the first reported case of a TEN-like reaction subsequent to gemcitabine treatment...
May 1, 2018: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29736842/use-of-topical-tacrolimus-and-topical-pimecrolimus-in-four-european-countries-a-multicentre-database-cohort-study
#9
Josephina G Kuiper, Myrthe P P van Herk-Sukel, Jordi Castellsague, Anton Pottegård, Ingegärd Anveden Berglind, Daniel Dedman, Lia Gutierrez, Brian Calingaert, Jesper Hallas, Anders Sundström, Arlene M Gallagher, James A Kaye, Carolina Pardo, Kenneth J Rothman, Susana Perez-Gutthann
BACKGROUND: Despite the concerns about a potential increased risk of skin cancer and lymphoma with the use of topical tacrolimus and pimecrolimus, no population-based studies have given an overview of the use of these drugs in Europe. OBJECTIVE: To assess the use of topical tacrolimus and pimecrolimus in children and adults in Europe. METHODS: Multicentre database cohort study comprising data from the Netherlands, Denmark, Sweden and the UK...
May 7, 2018: Drugs—Real World Outcomes
https://www.readbyqxmd.com/read/29734473/treatment-for-hepatitis-c-virus-associated-mixed-cryoglobulinaemia
#10
REVIEW
Nuria Montero, Alexandre Favà, Eva Rodriguez, Clara Barrios, Josep M Cruzado, Julio Pascual, Maria Jose Soler
BACKGROUND: Hepatitis C virus (HCV)-associated mixed cryoglobulinaemia is the manifestation of an inflammation of small and medium-sized vessels produced by a pathogenic IgM with rheumatoid factor activity generated by an expansion of B-cells. The immune complexes formed precipitate mainly in the skin, joints, kidneys or peripheral nerve fibres. Current therapeutic approaches are aimed at elimination of HCV infection, removal of cryoglobulins and also of the B-cell clonal expansions. The optimal treatment for it has not been established...
May 7, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29732888/nanoencapsulation-of-cyanidin-3-o-glucoside-enhances-protection-against-uvb-induced-epidermal-damage-through-regulation-of-p53-mediated-apoptosis-in-mice
#11
Zhaohan Liu, Yunfeng Hu, Xia Li, Zhouxiong Mei, Shi Wu, Yong He, Xinwei Jiang, Jianxia Sun, Jianbo Xiao, Liehua Deng, Weibin Bai
Excess ultraviolet (UV) radiation causes numerous forms of skin damage. The aim of the present study was to assess and compare the photoprotective effects of cyanidin-3-O-glucoside (C3G) alone and encapsulated in chitosan nanoparticles (Nano-C3G) in a UVB-induced acute photodamage mouse model. Nano-C3G was developed from chitosan and sodium tripolyphosphate (TPP) by ionic gelation. The particle size, zeta potential, entrapment efficiency, drug loading, and in vitro release in 6 days were determined. Kunming (KM) mice were treated with Nano-C3G (125, 250, 500 µM) or C3G (500 µM) after part of the dorsal skin area was dehaired, and then exposed to 2 J/cm2 of UVB...
May 7, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29727899/-non-epitheliotropic-b-cell-lymphoma-with-atypical-spindle-cell-morphology-in-a-weimaraner-dog
#12
Swantje Witt, Katja Willeke, Kernt Köhler, Natali Bauer
The case report describes a very rare cutaneous non-epitheliotropic B-cell lymphoma in an 11-year-old male Weimaraner dog, which presented with multiple cutaneous proliferations. In addition to numerous cytoplasmic fragments of lymphatic cells, the cytological examination of a fine-needle aspirate taken from a skin nodule revealed a population of pleomorphic plump to spindle-shaped cells with round to oval nuclei, fine chromatin structure, moderate amounts of a lightly basophilic cytoplasm and predominantly indistinct cell boundaries...
April 2018: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/29726727/epigenetic-therapy-and-dermatologic-disease-moving-beyond-ctcl
#13
Joshua S Mervis, Jean S McGee
The epigenetic regulation of gene expression is accomplished primarily through DNA methylation, histone modification, and gene silencing via the action of microRNAs. While previously very difficult to study, the field of epigenetics has been greatly facilitated by recent technological innovations. Alterations in the epigenome and epigenetic machinery are now known to be present in a variety of diseases, most notably cancers. Moreover, evidence has emerged that epigenetic dysregulation plays a causative role in disease pathogenesis...
May 4, 2018: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/29719024/molecular-advances-in-cutaneous-t-cell-lymphoma
#14
Armando N Bastidas Torres, Safa Najidh, Cornelis P Tensen, Maarten H Vermeer
Cutaneous T-cell lymphoma (CTCL) is a group of malignancies derived from skin-homing T cells. Mycosis fungoides (MF) and Sézary syndrome (SS) are the most common CTCL variants. In recent years, the genetic landscape of SS/MF has been characterized using genome-wide nextgeneration sequencing approaches. These studies have revealed that genes subjected to oncogenic mutations take part in cell cycle regulation, chromatin modification, Janus kinase (JAK)-signal transducer and activator of transcription protein (STAT) signaling, T-cell receptor (TCR)/ nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) signaling, and microtubule associated protein kinase (MAPK) signaling, which suggests that deregulation of these cellular processes underlies lymphomagenesis...
March 2018: Seminars in Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/29719018/nk-t-cell-lymphoma-nasal-type-%C3%AE-%C3%AE-t-cell-lymphoma-and-cd8-positive-epidermotropic-t-cell-lymphoma-clinical-and-histopathologic-features-differential-diagnosis-and-treatment
#15
Shamir Geller, Patricia L Myskowski, Melissa Pulitzer
The cytotoxic lymphomas of the skin constitute a heterogeneous group of rare lymphoproliferative diseases that are derived from mature T cells and natural killer (NK) cells that express cytotoxic molecules (T-cell intracellular antigen- 1, granzyme A/B, and perforin). Although frequently characterized by an aggressive course and poor prognosis, these diseases can have variable clinical behavior. This review delivers up-to-date information about the clinical presentation, histopathologic features, differential diagnosis, and therapy of extranodal NK/T-cell lymphoma, nasal type, primary cutaneous gamma delta T-cell lymphoma, and primary cutaneous CD8+ aggressive epidermotropic cytotoxic T-cell lymphoma...
March 2018: Seminars in Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/29719015/mycosis-fungoides-variants-clinicopathologic-features-differential-diagnosis-and-treatment
#16
Rein Willemze
Mycosis fungoides (MF) is the most common type of cutaneous T-cell lymphoma, which typically presents with erythematous patches and plaques, histopathologically characterized by superficial infiltrates of small to mediumsized atypical epidermotropic T cells. Apart from this classic type of MF, many clinical and/or histopathologic variants have been described. Correct diagnosis of these MF variants is important, but may be difficult, because they may mimic a wide variety of inflammatory skin diseases. In this review, clinical and histopathologic characteristics of distinct variants of MF are presented, and their differential diagnosis and therapeutic options are discussed...
March 2018: Seminars in Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/29718817/a-rare-case-of-cutaneous-diffuse-large-b-cell-lymphoma-presenting-as-a-chronic-infectious-skin-ulcer
#17
Huapei Song, Yail Gong, Xiaochu Yan, Jiaping Zhang
Cutaneous diffuse large B-cell lymphoma (DLBCL) usually manifests as papules, nodules, or plaques. A rare case of a patient with a chronic skin ulcer and signs and symptoms of infection, including fever and large amounts of yellow wound exudate, is presented. Fifteen (15) months before diagnosis, a 43-year-old otherwise healthy man noted soreness without apparent cause in his upper chest and a palpable 2 cm x 2 cm focal lump. The patient developed frequent fevers, and the lump enlarged over time, producing purulent exudate...
April 2018: Ostomy/wound Management
https://www.readbyqxmd.com/read/29714655/localized-morphea-after-breast-implant-for-breast-cancer-a-case-report
#18
A Moretti, F Bianchi, I V Abbate, G Gherardi, M Bonavita, E Passoni, G Nazzaro, A Bramati, M C Dazzani, S Piva, E Paternò, N Frungillo, G Farina, N La Verde
PURPOSE: Early breast cancer follow-up guidelines for patients who underwent surgery suggest a regular and accurate clinical examination of the breast area, for an early identification of cutaneous or subcutaneous breast cancer relapse. Nonetheless, breast skin lesions arising in patients treated with mastectomy for breast cancer can be caused by several diseases. A series of diagnostic hypotheses should be considered, not only focusing on cutaneous metastasis, but also on dermatologic and systemic diseases...
March 1, 2018: Tumori
https://www.readbyqxmd.com/read/29707117/impact-of-tobacco-smoking-on-the-risk-of-developing-25-different-cancers-in-the-uk-a-retrospective-study-of-422-010-patients-followed-for-up-to-30-years
#19
Louis Jacob, Moritz Freyn, Matthias Kalder, Konstantinos Dinas, Karel Kostev
Background: The aim of this study was to analyze the impact of tobacco smoking on the risk of developing 25 different cancers in patients followed for up to 30 years in general practices in the UK. Methods: This study included all individuals with at least one visit to one of 196 general practitioners' offices in the UK between January 1988 and December 2008 (index date). Only individuals with documented smoking status were included. Smokers and non-smokers were matched (1:1) by age, gender, index year, body mass index, and physician...
April 3, 2018: Oncotarget
https://www.readbyqxmd.com/read/29700722/oral-mycosis-fungoides-a-report-of-three-cases-and-review-of-the-literature
#20
Molly S Rosebush, Carl M Allen, Brent T Accurso, Robert A Baiocchi, Kitrina G Cordell
Mycosis fungoides (MF) and Sézary syndrome are clonal T-cell proliferations that exhibit skin homing and represent the majority of cutaneous T-cell lymphomas. Early MF is a diagnostic challenge as both the clinical and microscopic features often mimic benign inflammatory conditions. Oral MF is very rare and has been associated in the past with advanced disease and a poor prognosis. Skin lesions are present for an average of > 6 years before oral involvement occurs. The clinical appearance is highly variable with tongue, palate and gingiva most often affected...
April 26, 2018: Head and Neck Pathology
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