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https://www.readbyqxmd.com/read/28530060/-the-truth-about-the-ringworm-affair
#1
REVIEW
Aya Bar Oz
Ringworm of the scalp (Tinea Capitis), a fungal skin ailment that appears on the scalp, was treated until the early sixties by radiation therapy. It was discovered during the seventies that radiation treatment for ringworm may be associated with a higher risk of cancerous and benign tumors in the head and neck area for patients undergoing treatment. In 1995, Israel enacted a law to compensate ringworm irradiation patients which provided monetary compensation for those who were treated between 1946 and 1960...
October 2016: Harefuah
https://www.readbyqxmd.com/read/28529555/detection-of-p53-and-bcl-2-expression-in-cutaneous-hemangioma-through-the-quantum-dot-technique
#2
Tian Tang, Duan-Lian Zhang
Hemangioma is one of the most common types of infantile vascular benign tumor. The aim of the present study was to investigate the role of B-cell lymphoma 2 (Bcl-2) and tumor protein p53 (p53) in the proliferation and apoptosis of hemangioma cells. A total of 38 paraffin-embedded hemangioma specimens (16 males and 22 females) and another 5 paraffin-embedded healthy surrounding tissue samples, collected between January 2007 and December 2010, were obtained from the Department of Pathology at Renmin Hospital of Wuhan University (Wuhan, China)...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28528167/cxcl1-inhibition-regulates-uvb-induced-skin-inflammation-and-tumorigenesis-in-xpa-deficient-mice
#3
Makoto Kunisada, Chieko Hosaka, Chihiro Takemori, Eiji Nakano, Chikako Nishigori
Xeroderma pigmentosum complementation group A (XP-A) is a hereditary disease characterized by early onset of skin cancers and freckles-like pigmented maculae in the sun-exposed sites. Although etiology of predisposition to UV-induced skin tumors in XP-A is well investigated as a repair deficiency in UV-induced DNA damage, the mechanism of exaggerated sunburn in patients with XP-A and whether UV-induced inflammation relates to skin tumor-prone phenotype remains to be elucidated. Using gene profiling of XP-A model mice, Xpa-deficient mice, we found that expression of CXCL1 in the skin and blood levels of in Xpa-deficient mice increased significantly after UVB exposure at an even a limited area in comparison to those of wild-type mice...
May 17, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28526809/tumor-cell-specific-aim2-regulates-growth-and-invasion-of-cutaneous-squamous-cell-carcinoma
#4
Mehdi Farshchian, Liisa Nissinen, Elina Siljamäki, Pilvi Riihilä, Minna Piipponen, Atte Kivisaari, Markku Kallajoki, Reidar Grénman, Juha Peltonen, Sirkku Peltonen, Koen D Quint, Jan Nico Bouwes Bavinck, Veli-Matti Kähäri
Cutaneous squamous cell carcinoma (cSCC) is the most common metastatic skin cancer. Inflammation is a typical feature in cSCC progression. Analysis of the expression of inflammasome components in cSCC cell lines and normal human epidermal keratinocytes revealed upregulation of the expression of AIM2 mRNA and protein in cSCC cells. Elevated levels of AIM2 mRNA were noted in cSCCs in vivo compared with normal skin. Strong and moderate tumor cell specific expression of AIM2 was detected with immunohistochemistry (IHC) in sporadic human cSCCs in vivo, whereas expression of AIM2 was moderate in cSCC in situ (cSCCIS) and low or absent in actinic keratosis (AK) and normal skin...
May 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28526240/endocrine-actions-of-vitamin-d-in-skin-relevance-for-photocarcinogenesis-of-non-melanoma-skin-cancer-and-beyond
#5
REVIEW
Jörg Reichrath, Roman Saternus, Thomas Vogt
The skin represents a pivotal organ for the human body's vitamin D endocrine system, being both the site of ultraviolet (UV)-B-induced vitamin D synthesis and a target tissue for the pluripotent effects of 1,25(OH)2D3 and other biologically active vitamin D metabolites. As many other steroid hormones, 1,25(OH)2D3 exerts its effects via two independent signal transduction pathways: the classical genomic and the non-genomic pathway. While non-genomic effects of 1,25(OH)2D3 are in part exerted via effects on intracellular calcium, genomic effects are mediated by the vitamin D receptor (VDR)...
May 16, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28525403/genetic-diseases-associated-with-an-increased-risk-of-skin-cancer-development-in-childhood
#6
Alexander L Fogel, Kavita Y Sarin, Joyce M C Teng
PURPOSE OF REVIEW: Childhood skin cancers are relatively rare and may indicate an underlying genetic disorder. The increasing elucidation of genetic pathways is changing the diagnosis and management of genetic skin cancer susceptibility syndromes. In this review, we provide an overview of genetic conditions that predispose to skin cancer development in childhood and signs that providers should assess when evaluating affected individuals. RECENT FINDINGS: In basal cell nevus syndrome (BCNS), the patched2 (PTCH2) and suppressor of fused (SUFU) genes have been implicated in disease pathogenesis...
May 18, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28524434/unaffected-reaction-level-in-tuberculin-skin-test-by-long-term-therapy-with-tumor-necrosis-factor-inhibitors-for-rheumatoid-arthritis
#7
Shotaro Yamamoto, Katsuya Nagatani, Takeo Sato, Masahiro Iwamoto, Shino Takatori, Seiji Minota
AIM: The tuberculin skin test (TST) is used to diagnose tuberculosis; however, the influence of tumor necrosis factor (TNF) inhibitors on the test is unclear. This study investigated whether therapy with TNF inhibitors suppresses the TST reaction due to immunosuppression or whether the TST reaction increases due to reactivation of latent Mycobacterium tuberculosis infection. METHOD: Ninety-one patients with rheumatoid arthritis receiving TNF inhibitors (40 using infliximab and 51 using etanercept) were studied...
May 19, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28524177/role-of-carbonic-anhydrases-in-skin-wound-healing
#8
Harlan Barker, Marleena Aaltonen, Peiwen Pan, Maria Vähätupa, Pirkka Kaipiainen, Ulrike May, Stuart Prince, Hannele Uusitalo-Järvinen, Abdul Waheed, Silvia Pastoreková, William S Sly, Seppo Parkkila, Tero Ah Järvinen
Skin wound closure occurs when keratinocytes migrate from the edge of the wound and re-epithelialize the epidermis. Their migration takes place primarily before any vascularization is established, that is, under hypoxia, but relatively little is known regarding the factors that stimulate this migration. Hypoxia and an acidic environment are well-established stimuli for cancer cell migration. The carbonic anhydrases (CAs) contribute to tumor cell migration by generating an acidic environment through the conversion of carbon dioxide to bicarbonate and a proton...
May 19, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28523509/the-future-in-disease-models-for-mass-spectrometry-imaging-ethical-issues-and-the-way-forward
#9
Rebecca E Day, Ieva Palubeckaite
Mass Spectrometry Imaging (MSI) has evolved into a valuable tool for research into and the diagnosis of disease pathology. The ability to perform multiplex analysis of a wide range of molecules (e.g., proteins, lipids, and metabolites) simultaneously per tissue section while retaining the histological structure of the sample allows molecular information and tissue morphology to be correlated, thus increasing our understanding of a particular disease. Further development of MSI is required to improve suitability to the alternative models available, so that the combined approach can successfully provide the information required in disease characterization and prevention...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28522936/bladder-cancer-that-metastasized-to-the-skin-a-unique-presentation-that-signifies-poor-prognosis
#10
Tal Cohen, Daniel Ricchiuti, Mark Memo
In the United States in 2015, an estimated 74,000 new cases of bladder cancer were diagnosed and approximately 16,000 deaths were due to bladder cancer. We present a rare case of a patient with aggressive bladder cancer who presented with multiple inguinal and scrotal skin lesions that were proven to be metastatic urothelial malignancy. Bladder malignancy can involve the skin by direct tumor invasion, hematogenous routes, lymphatic spread, and direct seeding due to iatrogenic implantation. The cutaneous lesions have an extremely variable appearance, are resistant to therapies, and signify a dismal prognosis...
2017: Reviews in Urology
https://www.readbyqxmd.com/read/28522111/incidence-and-trends-of-basal-cell-carcinoma-and-cutaneous-squamous-cell-carcinoma-a-population-based-study-in-olmsted-county-minnesota-2000-to-2010
#11
John G Muzic, Adam R Schmitt, Adam C Wright, Dema T Alniemi, Adeel S Zubair, Jeannette M Olazagasti Lourido, Ivette M Sosa Seda, Amy L Weaver, Christian L Baum
OBJECTIVE: To determine population-based incidence estimates of basal cell carcinoma (BCC) and cutaneous squamous cell carcinoma (cSCC). PATIENTS AND METHODS: We reviewed the medical records of a population-based cohort diagnosed with nonmelanoma skin cancer between January 2, 2000, and December 31, 2010. The age- and sex-adjusted incidence rates were calculated and compared with estimates from previous periods. RESULTS: The age-adjusted BCC incidence (cases per 100,000 person-years) was 360...
May 10, 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28521483/use-of-laser-capture-microdissection-allows-detection-of-loss-of-heterozygosity-in-chromosome-9p-in-breast-cancer
#12
Margarida Figueiredo Dias, Robert Blumenstein, Jose Russo
The present study was designed to determine whether loss of heterozygosity (LOH) in the p arm of chromosome 9 in invasive ductal carcinoma of the breast is detected during the neoplastic progression of the disease. Using laser capture microdissection (LCM) epithelial cells were isolated from 14 invasive ductal carcinoma cases (IDC), ductal carcinomas in situ (DCIS), normal mammary lobules, skin and/or lymph nodes of paraffin embedded tissue sections. LOH analysis of chromosome 9p was performed utilizing the microsatellite markers D9S199, D9S157, D9S171, D9S265 and D9S270...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28516256/-skin-diseases-associated-with-environmental-factors
#13
REVIEW
Vera Mahler
BACKGROUND: Multiple environmental exposures may derange the regulatory and repair mechanisms of the skin and lead to dermatological disease. OBJECTIVES: Provide an overview of non-allergic skin diseases associated with environmental factors. MATERIALS AND METHODS: Review of current scientific evidence for associations of non-allergic skin diseases with environmental exposures: irritation, chemicals, infection, UV-radiation, temperature. RESULTS: Predisposition (constitution e...
May 17, 2017: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/28514302/safety-and-efficacy-evaluation-of-pertuzumab-in-patients-with-solid-tumors
#14
Chenjing Zhu, Wenwu Ling, Jing Zhang, Hui Gao, Kai Shen, Xuelei Ma
BACKGROUND: The development of targeted therapies benefits patients with certain markers in the treatment of breast cancer. Pertuzumab is a novel humanized monoclonal antibody that blocks human epidermal growth factor receptor 2 (HER2) dimerization. The Food and Drug Administration has approved pertuzumab in combination with trastuzumab and docetaxel for the treatment of patients with HER2-positive metastatic breast cancer. METHODS: To assess the safety and efficacy profile of pertuzumab, we searched PubMed and Embase (articles from January 1966 to January 2015) using the keyword "pertuzumab"...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28514220/case-242-radiation-induced-angiosarcoma
#15
Meredith Disharoon, Kamilia F Kozlowski, Jessica M Kaniowski
History In 2004, this woman received a diagnosis of invasive mammillary carcinoma, tubular variant, strongly positive for estrogen and progesterone receptors. Her lesion was found at screening mammography performed at an outside institution when she was 59 years old. She underwent partial mastectomy, with partial axillary node dissection and sentinel node mapping. A 0.6 × 0.5 cm Nottingham grade 1 infiltrating ductal carcinoma was removed from the right upper outer quadrant, margins were free of tumor, and there was no angiolymphatic invasion...
June 2017: Radiology
https://www.readbyqxmd.com/read/28513987/dermatological-diseases-in-palliative-care-patients-a-prospective-study-of-271-patients
#16
Lenche Neloska, Katerina Damevska, Andjelka Kuzmanova, Lidija Pavleska, Milenko Kostov, Biljana Petreska Zovic
BACKGROUND: Numerous risk factors place palliative care patients at an increased risk of skin infections, dermatitis, and pressure sores. Furthermore, worsening of chronic skin disorders can be expected, as well as the development of treatment-induced and malignancy-related dermatoses. The objective of the present study was to investigate the prevalence and treatment of dermatological conditions in patients receiving hospital-based palliative care. METHODS: Two hundred seventy-one palliative patients were enrolled...
May 17, 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/28513496/intra-arterial-chemotherapy-for-retinoblastoma-two-year-results-from-tertiary-eye-care-center-in-india
#17
Pukhraj Rishi, Tarun Sharma, Minal Sharma, Aditya Maitray, Abhinav Dhami, Vishvesh Aggarwal, Saravanan Munusamy, R Ravikumar, Satheesh Ramamurthy
AIM: The aim of this study is to describe treatment outcomes and complications of selective intra-arterial chemotherapy (IAC) for intraocular retinoblastoma (RB). MATERIALS AND METHODS: A retrospective, interventional series of 10 eyes with RB which underwent IAC using melphalan (5 mg/7.5 mg) and topotecan (1 mg), or melphalan (5 mg/7.5 mg) alone. Treatment outcomes were evaluated in terms of tumor control, vitreous seeds (VS) and subretinal seeds (SRS) control, and globe salvage rates...
April 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28512730/examining-the-role-of-transmission-of-chelonid-alphaherpesvirus-5
#18
Andrea Chaves, A Alonso Aguirre, Kinndle Blanco-Peña, Andrés Moreira-Soto, Otto Monge, Ana M Torres, José L Soto-Rivas, Yuanan Lu, Didiher Chacón, Luis Fonseca, Mauricio Jiménez, Gustavo Gutiérrez-Espeleta, Michael Lierz
Marine turtle fibropapillomatosis (FP) is a devastating neoplastic disease characterized by single or multiple cutaneous and visceral fibrovascular tumors. Chelonid alphaherpesvirus 5 (ChHV5) has been identified as the most likely etiologic agent. From 2010 to 2013, the presence of ChHV5 DNA was determined in apparently normal skin, tumors and swab samples (ocular, nasal and cloacal) collected from 114 olive ridley (Lepidochelys olivacea) and 101 green (Chelonia mydas) turtles, with and without FP tumors, on the Pacific coasts of Costa Rica and Nicaragua...
May 16, 2017: EcoHealth
https://www.readbyqxmd.com/read/28512610/melanoma-is-skin-deep-a-3d-reconstruction-technique-for-computerized-dermoscopic-skin-lesion-classification
#19
T Y Satheesha, D Satyanarayana, M N Giri Prasad, Kashyap D Dhruve
Melanoma mortality rates are the highest amongst skin cancer patients. Melanoma is life threating when it grows beyond the dermis of the skin. Hence, depth is an important factor to diagnose melanoma. This paper introduces a non-invasive computerized dermoscopy system that considers the estimated depth of skin lesions for diagnosis. A 3-D skin lesion reconstruction technique using the estimated depth obtained from regular dermoscopic images is presented. On basis of the 3-D reconstruction, depth and 3-D shape features are extracted...
2017: IEEE Journal of Translational Engineering in Health and Medicine
https://www.readbyqxmd.com/read/28509521/dermatofibrosarcoma-protuberans-when-the-age-makes-the-difference
#20
Giovanni Paolino, Dario Didona, Ugo Bottoni, Federico Romaniello, Paola Corsetti, Antonio G Richetta
BACKGROUND: Dermatofibrosarcoma protuberans is a malignant tumor that affects exclusively the skin. It is a low- grade malignant tumor of subcutaneous tissues, characterized by a local recurrence but it seldom metastasizes. This study aims to evaluate the impact of different clinical parameters on disease free survival and overall survival of dermatofibrosarcoma protuberans patients. METHODS: A retrospective study of data including 17 cases of dermatofibrosarcoma protuberans (11 male, 6 female) retrieved from the files of the Dermatology Clinics of La Sapienza, University of Rome...
May 16, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
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