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https://www.readbyqxmd.com/read/28103270/cold-atmospheric-plasma-created-at-the-tip-of-an-elongated-flexible-capillary-using-low-electric-current-can-slow-the-progression-of-melanoma
#1
Y Binenbaum, G Ben-David, Z Gil, Ya Z Slutsker, M A Ryzhkov, J Felsteiner, Ya E Krasik, J T Cohen
INTRODUCTION: Cold Atmospheric Plasma Jet (CAPJ), with ion temperature close to room temperature, has tremendous potential in biomedical engineering, and can potentially offer a therapeutic option that allows cancer cell elimination without damaging healthy tissue. We developed a hand-held flexible device for the delivery of CAPJ to the treatment site, with a modified high-frequency pulse generator operating at a RMS voltage of <1.2 kV and gas flow in the range 0.3-3 l/min. The aims of our study were to characterize the CAPJ emitted from the device, and to evaluate its efficacy in elimination of cancer cells in-vitro and in-vivo...
2017: PloS One
https://www.readbyqxmd.com/read/28101356/a-case-report-of-primary-cutaneous-natural-killer-t-cell-lymphoma
#2
Chen Tian, Yong Yu, Yizhuo Zhang
Primary cutaneous extranodal natural killer/T-cell lymphoma, nasal type (ENKL-NT) is a relatively rare disease associated with aggressive tumor-cell behavior and poor prognosis. Progress in immunohistochemistry has improved the identification of ENKL-NT. The present case study reported on a 64-year-old female patient presenting with several red nodular lesions on the neck developed over four months. Cutaneous biopsy revealed these cells were positive for CD3, CD56, CD5, CD8 and negative for CD2, CD34, CD7, CD20 and Granzyme B...
December 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28101024/bazex-syndrome-in-lung-squamous-cell-carcinoma-high-expression-of-epidermal-growth-factor-receptor-in-lesional-keratinocytes-with-th2-immune-shift
#3
Maki Amano, Takaaki Hanafusa, Sakiko Chikazawa, Makiko Ueno, Takeshi Namiki, Ken Igawa, Keiko Miura, Hiroo Yokozeki
An 82-year-old Japanese man was referred for detailed examination of hyperkeratotic erythematous plaques on his palms and soles for 6 months. Two weeks before his first visit, he had undergone lung lobectomy for right lung squamous cell carcinoma (SCC). Laboratory findings showed elevations of eosinophil counts, serum IgE, thymus and activation-regulated chemokine, SCC antigen, and soluble interleukin-2 receptor levels. Histological results of a skin biopsy involving the left palm showed psoriasiform dermatitis...
September 2016: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28099404/risk-of-aggressive-skin-cancers-following-kidney-retransplantation-in-patients-with-previous-posttransplant-cutaneous-squamous-cell-carcinomas-a-retrospective-study-of-53-cases
#4
Emilie Ducroux, Clemmie Martin, Jan Nico Bouwes Bavinck, Evelyne Decullier, Anabelle Brocard, Marlies E Westhuis-van Elsäcker, Céleste Lebbé, Camille Francès, Emmanuel Morelon, Christophe Legendre, Pascal Joly, Jean Kanitakis, Denis Jullien, Sylvie Euvrard, Jacques Dantal
BACKGROUND: The course of skin cancer after retransplantation in organ-transplant recipients who have already developed posttransplant skin cancer has not been assessed. METHODS: This retrospective multicentric study included 53 patients with a history of cutaneous squamous cell carcinoma (SCC) after a first kidney transplantation who received a second kidney transplantation. The primary end-point was the occurrence of aggressive cutaneous SCC after the second transplantation...
January 17, 2017: Transplantation
https://www.readbyqxmd.com/read/28098399/myb-cd117-and-sox-10-expression-in-cutaneous-adnexal-tumors
#5
Mara Therese P Evangelista, Jeffrey P North
BACKGROUND: Elevated MYB expression has been documented in adenoid cystic carcinoma (ACC), cylindroma, and spiradenoma, but the specificity of this finding is unknown. CD117 and SOX-10 expression also occurs in some cutaneous adnexal tumors. This study assesses MYB, CD117, and SOX-10 expression in cutaneous adnexal tumors. METHODS: Retrospective analysis of 184 benign adnexal tumors (140 eccrine/apocrine, 40 follicular, and 10 sebaceous), and 30 malignant adnexal tumors was performed with MYB, SOX-10, and CD117 immunostaining...
January 18, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28094061/vitiligo-like-lesions-occurring-in-patients-receiving-anti-programmed-cell-death-1-therapies-are-clinically-and-biologically-distinct-from-vitiligo
#6
Maiana Larsabal, Aurélie Marti, Clément Jacquemin, Jérôme Rambert, Denis Thiolat, Léa Dousset, Alain Taieb, Caroline Dutriaux, Sorilla Prey, Katia Boniface, Julien Seneschal
BACKGROUND: The use of anti-programmed cell death (PD)-1 therapies in metastatic tumors is associated with cutaneous side effects including vitiligo-like lesions. OBJECTIVE: We sought to characterize clinically and biologically vitiligo-like lesions occurring in patients receiving anti-PD-1 therapies by studying a case series of 8 patients with metastatic tumors and 30 control subjects with vitiligo. METHODS: Eight patients receiving anti-PD-1 therapies with features of vitiligo-like lesions seen in our department were recruited...
January 13, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28092667/oncogenic-braf-fusions-in-mucosal-melanomas-activate-the-mapk-pathway-and-are-sensitive-to-mek-pi3k-inhibition-or-mek-cdk4-6-inhibition
#7
H S Kim, M Jung, H N Kang, H Kim, C-W Park, S-M Kim, S J Shin, S H Kim, S G Kim, E K Kim, M R Yun, Z Zheng, K Y Chung, J Greenbowe, S M Ali, T-M Kim, B C Cho
Despite remarkable progress in cutaneous melanoma genomic profiling, the mutational landscape of primary mucosal melanomas (PMM) remains unclear. Forty-six PMMs underwent targeted exome sequencing of 111 cancer-associated genes. Seventy-six somatic nonsynonymous mutations in 42 genes were observed, and recurrent mutations were noted on eight genes, including TP53 (13%), NRAS (13%), SNX31 (9%), NF1 (9%), KIT (7%) and APC (7%). Mitogen-activated protein kinase (MAPK; 37%), cell cycle (20%) and phosphatidylinositol 3-kinase (PI3K)-mTOR (15%) pathways were frequently mutated...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28088318/correlation-of-the-hpv-detection-protein-expression-and-dna-content-in-cutaneous-pre-invasive-and-invasive-carcinoma-among-croatian-patients
#8
Kristina Meljanac Salopek, Stanko Jukić, Damir Babić
Development of cutaneous carcinomas has been associated with HPV infection. There have been various reports on p16, p53 and pRb expression in cutaneous carcinomas and on its linkage to HPV status. Association of protein expression and HPV infection with DNA content is not clear. The aim of this study was to determine a possible correlation between HPV type, protein expression and DNA content in both pre-invasive and invasive squamous cell carcinoma, as well as differences between studied groups in these parameters...
January 11, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28081464/tumor-angiogenesis-of-sclc-inhibited-by-decreased-expression-of-fmod-via-downregulating-angiogenic-factors-of-endothelial-cells
#9
Zhi Ao, Shilong Yu, Pin Qian, Wenhong Gao, Ruiling Guo, Xiaoxiao Dong, Jianping Xu, Ruijie Zhang, Chaowen Jiang, Fuyun Ji, Guisheng Qian
Fibromodulin (FMOD), an ECM small leucine-rich proteoglycan (SLRP), was reported to promote angiogenesis not only during wound healing, but also in optical and cutaneous angiogenesis-dependent diseases. However, whether it plays important roles in tumor angiogenesis remains unclear. To explore the role of FMOD in tumor angiogenesis of human small cell lung cancer (SCLC), initially the study analyzed the relationship of FMOD expression in cancer tissues of SCLC with clinical characteristics. The analysis revealed that the positive FMOD expression was significantly associated with extensive stage of SCLC and higher vascular density...
January 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28079640/comparison-of-the-american-joint-committee-on-cancer-seventh-edition-and-brigham-and-women-s-hospital-cutaneous-squamous-cell-carcinoma-tumor-staging-in-immunosuppressed-patients
#10
Jessica L Gonzalez, Kiera Cunningham, Rebecca Silverman, Elena Madan, Bichchau M Nguyen
BACKGROUND: The American Joint Committee on Cancer 7th edition (AJCC-7) and Brigham and Women's Hospital (BWH) staging criteria for cutaneous squamous cell carcinoma (cSCC) have not been validated in immunosuppressed patients. OBJECTIVE: To compare the AJCC-7 and BWH staging systems for cSCCs in immunosuppressed patients. METHODS AND MATERIALS: A single-institution retrospective cohort study of cSCCs in immunosuppressed patients. Risks of local recurrence (LR), nodal metastasis (NM), in-transit metastasis, and any poor outcome (PO) were compared among AJCC-7 and BWH tumor T stages...
January 10, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28079637/ln2-cd10-and-ezrin-do-not-distinguish-between-atypical-fibroxanthoma-and-undifferentiated-pleomorphic-sarcoma-or-predict-clinical-outcome
#11
Allison Hanlon, Thomas Stasko, Dan Christiansen, Nika Cyrus, Anjela Galan
BACKGROUND: Atypical fibroxanthoma (AFX) is a rare cutaneous spindled cell neoplasm. For both diagnostic and therapeutic purposes, it is important to distinguish AFX from other poorly differentiated tumors, including undifferentiated pleomorphic sarcoma (UPS). OBJECTIVE: The authors aimed to identify the clinical, histologic, and immunohistochemical expression of LN2, ezrin, and CD10 in AFX and UPS tumors. METHODS AND MATERIALS: The authors retrospectively examined the charts of patients with AFX and UPS treated with Mohs micrographic surgery (MMS) at 2 academic institutions...
January 10, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28079338/a-single-institute-experience-on-melanoma-prognosis-a-long-term-follow-up
#12
Emi Dika, Marco A Chessa, Giulia Veronesi, Giulia M Ravaioli, Pier A Fanti, Simone Ribero, Giovanni Tripepi, Carlotta Gurioli, Alessandro Traniello Gradassi, Martina Lambertini, Annalisa Patrizi
BACKGROUND: The prognosis of cutaneous melanoma is correlated to histopathologic parameters such as Breslow thickness, the presence of mitosis, ulceration and lymphatic involvement at the moment of the diagnosis. On the other hand, the prognostic value of parameters such as age, sex, and tumor localization are still a matter of debate. We evaluated herein the prognostic factors in melanoma patients during a long term follow- up (60 months). METHODS: Melanoma patients presenting stage IB-III at diagnosis were included...
January 12, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28075030/erythropoietic-protoporphyria-epp-a-clinical-and-molecular-study-from-lebanon-ferrochelatase-a-potential-tumor-suppressor-gene-in-colon-cancer
#13
Humam Kadara, Georges Nemer, Remi Safi, Nelly Rebeiz, Laetitia Daou, Diana Delbani, Waed Btadini, Ossama Abbas, Mona Tofaili, Fadi Bitar, Abdul Ghani Kibbi, Yutaka Shimomura, Mazen Kurban
Erythropoietic protoporphyria (EPP) is a rare cutaneous and systemic disease caused by mutations in the ferrochelatase gene (FECH). The molecular underpinnings of EPP in Middle Eastern populations and relative to other ethnic groups secondary to increased consanguinity are unknown. To understand the molecular pathogenesis of Middle Eastern EPP, we surveyed clinicopathological and molecular features in six large consanguineous families from Lebanon and Syria presenting with cutaneous and systemic features consistent with EPP...
January 11, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28071641/epidemiological-data-and-case-load-spectrum-of-patients-presenting-to-bone-and-soft-tissue-disease-management-group-at-a-tertiary-cancer-center
#14
A Gulia, A Puri, S Chorge, P K Panda
INTRODUCTION AND BACKGROUND: This study was conducted to know the spectrum and number of bone and soft tissue (BST) tumors presenting to our institute. We needed to assess the gap between the number of patients seen and infrastructure available, and based on this information, help formulate guidelines for optimum utilization of resources and to provide best possible evidence-based cancer care. SETTINGS AND DESIGNS: This is a prospective observational study (epidemiological)...
April 2016: Indian Journal of Cancer
https://www.readbyqxmd.com/read/28067962/concurrent-multiple-myeloma-and-mast-cell-neoplasia-in-a-13-year-old-castrated-male-maine-coon-cat
#15
Jonathan M Bagwell, Heather R Herd, Melanie A Breshears, Steven Hodges, Theresa E Rizzi
A 13-year-old, castrated male Maine Coon cat was presented to Oklahoma State University Boren Veterinary Medical Teaching Hospital for yearly echocardiographic examination monitoring hypertrophic cardiomyopathy (HCM) diagnosed in 2003. Physical examination revealed a heart murmur and premature beats, likely related to HCM, but was otherwise unremarkable. A biochemistry profile revealed a hyperglobulinemia (6.3 g/dL). Cytologic examination of fine-needle aspirates from liver and spleen revealed increased numbers of plasma cells and mast cells, confirmed with subsequent histologic examination...
January 9, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28067894/unexpected-uvr-and-non-uvr-mutation-burden-in-some-acral-and-cutaneous-melanomas
#16
Robert V Rawson, Peter A Johansson, Nicholas K Hayward, Nicola Waddell, Ann-Marie Patch, Serigne Lo, John V Pearson, John F Thompson, Graham J Mann, Richard A Scolyer, James S Wilmott
Ultraviolet radiation (UVR) mutagenesis causes nearly all cutaneous melanomas, however, since UVR signatures are largely absent in acral melanoma, as well as melanoma in sun-protected sites, the cause of these melanomas is unknown. Whole-genome sequencing data generated as part of the Australian Melanoma Genome Project was supplemented with a detailed histopathological assessment with the melanomas then classified as UVR or non-UVR related, based on their mutation signatures. The clinicopathological characteristics of melanomas with mutation signatures for their subtype were compared...
January 9, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28059929/hepatic-progression-free-and-overall-survival-after-regional-therapy-to-the-liver-for-metastatic-melanoma
#17
Andrea M Abbott, Matthew P Doepker, Youngchul Kim, Matthew C Perez, Cassandra Gandle, Kerry L Thomas, Junsung Choi, Ravi Shridhar, Jonathan S Zager
OBJECTIVES: Regional therapy for metastatic melanoma to the liver represents an alternative to systemic therapy. Hepatic progression-free survival (HPFS), progression-free survival (PFS), and overall survival (OS) were evaluated. MATERIALS AND METHODS: A retrospective review of patients with liver metastases from cutaneous or uveal melanoma treated with yttrium-90 (Y90), chemoembolization (CE), or percutaneous hepatic perfusion (PHP) was conducted. RESULTS: Thirty patients (6 Y90, 10 PHP, 12 CE, 1 PHP then Y90, 1 CE then PHP) were included...
January 4, 2017: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28058953/use-of-a-subdermal-plexus-flap-to-reconstruct-an-upper-eyelid-following-radical-tumor-resection-in-a-cat
#18
Filipe C Dias, Alan Danielski, Kate Forster, David L Williams
CASE DESCRIPTION A 15-year-old neutered male domestic shorthair cat was examined for treatment of a recurrent neoplastic mass in the left upper eyelid that had been excised 6 months earlier by the referring veterinarian. CLINICAL FINDINGS An apparently nonpainful firm cutaneous mass (approx 2 × 2 mm) was located on the lateral third of the left upper eyelid near the scar from the previous surgical excision. TREATMENT AND OUTCOME Approximately one-third of the left upper lip was used as a subdermal plexus (lip-to-lid) flap to cover the defect created by en bloc excision of the eyelid mass...
January 15, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28052681/prognostic-impact-of-lat1-and-cd98-expression-in-cutaneous-angiosarcoma
#19
A Shimizu, K Kaira, Y Okubo, D Utsumi, M Yasuda, H Tominaga, N Oriuchi, Y Kanai, K Takahashi, O Ishikawa
L-type amino acid transporter 1 (LAT1) and CD98 are frequently expressed in various human cancers, and closely correlated with tumor aggressiveness and survival. However, little is known about the expression of LAT1 and CD98 in cutaneous angiosarcoma. The aim of this study is to investigate the clinicopathological significance of these markers in the dismal disease. A total of 52 patients with cutaneous angiosarcoma were retrospectively reviewed. Immunohistochemical staining of tumor specimens were evaluated using anti-LAT1, CD98 and Ki-67 antibodies...
January 5, 2017: Neoplasma
https://www.readbyqxmd.com/read/28052400/programmed-death-1-ligand-1-and-2-expression-in-cutaneous-squamous-cell-carcinoma-and-their-relationship-with-tumor-infiltrating-dendritic-cells
#20
Qingqing Jiao, Cuiping Liu, Wenzhong Li, Wei Li, Fuming Fang, Qihong Qian, Xueguang Zhang
The Programmed Death-1 (PD-1) receptor ligands, PD-L1 and PD-L2, are costimulatory molecules that contribute to the negative regulation of T-lymphocyte activation. It is still unclear whether there is correlation between PD-L1 or PD-L2 and tumor infiltrating dendritic cells (TIDCs) in cutaneous squamous cell carcinoma (CSCC). The aim of this study was to analyze PD-L1 and PD-L2 expression and dendritic cells (DCs) infiltration in tumor tissue of CSCC patients and investigate their clinical significance. Immunohistochemical analysis was used to evaluate the expression of PD-L1, PD-L2, CD1a, and CD83 in 61 CSCC tissues...
January 3, 2017: Clinical and Experimental Immunology
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