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https://www.readbyqxmd.com/read/27910137/amelanotic-naevoid-melanoma-in-a-16-month-old-albino-infant
#1
N Knöpfel, A Martín-Santiago, L J Del Pozo, C Saus, M Pascual, L Requena
Melanoma in individuals with oculocutaneous albinism has been reported in the literature to be rare compared with the more common occurrence of squamous cell carcinoma and basal cell carcinoma. We present a singular case of amelanotic naevoid melanoma arising from a small congenital naevus in a 16-month old albino boy, the youngest reported to date.
December 2, 2016: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/27908679/skin-surface-brachytherapy-a-survey-of-contemporary-practice-patterns
#2
Anna O Likhacheva, Phillip M Devlin, Shervin M Shirvani, Christopher A Barker, Phillip Beron, Ajay Bhatnagar, Stephen W Doggett, Lawrence Hochman, Charles Hsu, Michael Kasper, Martin Keisch, Subhakar Mutyala, Bradley Prestidge, Silvia Rodriguez Villalba, Vershalee Shukla, Srinath Sundararaman, Mitchell Kamrava
PURPOSE: The aim of this study was to define current patterns of care among radiation oncologists who use skin surface brachytherapy for the treatment of cutaneous squamous cell carcinoma (cSCC) and basal cell carcinoma (BCC) in academic and community settings. METHODS AND MATERIALS: A 30-question electronic survey was administered to clinician members of the American Brachytherapy Society. The respondents were asked to provide details regarding their clinical practice and their approach to skin surface brachytherapy...
November 28, 2016: Brachytherapy
https://www.readbyqxmd.com/read/27906855/periocular-basal-cell-carcinoma-predictors-for-recurrence-and-infiltration-of-the-orbit
#3
Alena Furdova, Pavol Lukacko
PURPOSE: To present the proportion of patients with periocular basal cell carcinoma (BCC) who underwent orbital exenteration and to evaluate the significance of the risk factors. DESIGN: Retrospective, comparative, interventional case series. METHODS: Data of all patients with BCC between 2008 and 2014 were reviewed for patient demographics, previous treatment options, tumor localization, and histopathologic subtype. RESULTS: In group of 256 patients, orbital exenteration underwent 7 patients (2...
November 30, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27905158/metastatic-spinal-cord-compression-from-basal-cell-carcinoma-of-the-skin-treated-with-surgical-decompression-and-vismodegib-case-report-and-review-of-hedgehog-signalling-pathway-inhibition-in-advanced-basal-cell-carcinoma
#4
J McGrane, S Carswell, T Talbot
We report a case of a 66-year-old man with locally advanced and metastatic basal cell carcinoma (BCC) causing spinal cord compression, which was treated with spinal surgery and subsequent vismodegib. The patient presented with a large fungating chest wall lesion and a metastasis in T8 that was causing cord compression. He had neurosurgical decompression of the T8 lesion and fixation of the spine. Punch biopsy from the fungating chest wall lesion showed a BCC with some malignant squamous differentiation (basosquamous)...
November 30, 2016: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/27904293/superficial-basal-cell-carcinoma-treated-with-two-cycles-of-ingenol-mebutate-gel-0-015
#5
Yu Seok Jung, Ji Hae Lee, Jung Min Bae, Gyong Moon Kim
No abstract text is available yet for this article.
December 2016: Annals of Dermatology
https://www.readbyqxmd.com/read/27902821/risk-factors-for-basal-cell-carcinoma-among-patients-with-basal-cell-nevus-syndrome-development-of-a-basal-cell-nevus-syndrome-patient-registry
#6
Daniel C Solis, Gina P Kwon, Katherine J Ransohoff, Shufeng Li, Harvind S Chahal, Mina S Ally, Marieke A D Peters, Kristi Schmitt-Burr, Joselyn Lindgren, Irene Bailey-Healy, Joyce M Teng, Ervin H Epstein, Jean Y Tang
Importance: Patients with basal cell nevus syndrome (BCNS) have a greater risk of developing numerous basal cell carcinomas (BCCs). Risk factors influencing the wide variation in tumor burden are poorly understood. Objective: To describe the burden of BCCs in patients with BCNS in the United States and identify potential risk factors for BCCs. Design, Setting, and Participants: Prospective clinical registry with data collected from September 2014 to March 2016...
November 30, 2016: JAMA Dermatology
https://www.readbyqxmd.com/read/27902644/coffee-consumption-and-risk-of-nonmelanoma-skin-cancer-a-dose-response-meta-analysis
#7
Golnaz Vaseghi, Shaghayegh Haghjoo-Javanmard, Jamal Naderi, Azadeh Eshraghi, Manijeh Mahdavi, Marjan Mansourian
Several epidemiological studies have evaluated the associations between coffee consumption and the risk of skin cancer; however, the results were not conclusive. This systematic review and meta-analysis of the cohort and case-control studies was carried out to determine the association between coffee intake and the risk of nonmelanoma skin cancer. Studies were identified by searching the PubMed and MEDLINE databases (to November 2015). Study-specific risk estimates were pooled under the random-effects model...
November 29, 2016: European Journal of Cancer Prevention
https://www.readbyqxmd.com/read/27899820/inhibition-of-hedgehog-dependent-tumors-and-cancer-stem-cells-by-a-newly-identified-naturally-occurring-chemotype
#8
Paola Infante, Romina Alfonsi, Cinzia Ingallina, Deborah Quaglio, Francesca Ghirga, Ilaria D'Acquarica, Flavia Bernardi, Laura Di Magno, Gianluca Canettieri, Isabella Screpanti, Alberto Gulino, Bruno Botta, Mattia Mori, Lucia Di Marcotullio
Hedgehog (Hh) inhibitors have emerged as valid tools in the treatment of a wide range of cancers. Indeed, aberrant activation of the Hh pathway occurring either by ligand-dependent or -independent mechanisms is a key driver in tumorigenesis. The smoothened (Smo) receptor is one of the main upstream transducers of the Hh signaling and is a validated target for the development of anticancer compounds, as underlined by the FDA-approved Smo antagonist Vismodegib (GDC-0449/Erivedge) for the treatment of basal cell carcinoma...
September 22, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27898109/body-mass-index-and-risk-of-non-melanoma-skin-cancer-cumulative-evidence-from-prospective-studies
#9
Daijun Zhou, Jun Wu, Gaoxing Luo
Prospective epidemiologic studies that investigated the association between body mass index (BMI) and non-melanoma skin cancer (NMSC) yielded inconsistent findings. A dose-response meta-analysis was conducted to quantitatively summarize the evidence. PubMed and Embase databases were searched for relevant studies. Study-specific relative risk (RR) and 95% confidence interval (CI) for an increase in BMI of 5 kg/m(2) was computed with the generalized least squares trend estimation, and these risk estimates were combined with the random-effects model...
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27896185/the-relationship-between-the-size-and-the-invasion-depth-of-tumors-in-head-and-neck-cutaneous-squamous-cell-carcinoma
#10
Sam Yong Lee, Won Joo Hwang, Kyung Pil Kim, Hong Min Kim, Jae Ha Hwang, Kwang Seog Kim
BACKGROUND: Cutaneous squamous cell carcinoma (SCC), which occurs in keratinocytes of the epidermis and is the second most common skin cancer, has a more invasive growth pattern and higher potential to metastasize than basal cell carcinoma. Total excision of the primary tumor is the treatment of choice. For clear excision of the tumor, invasion depth is one of the most important factors. This study was conducted to clarify the relationship between the size and the invasion depth of cutaneous SCC...
November 2016: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/27895733/improved-laparoscopic-nephron-sparing-surgery-for-renal-cell-carcinoma-based-on-the-precise-anatomy-of-the-nephron
#11
Gang Guo, Wei Cai, Xu Zhang
The aim of the present study was to investigate a method of laparoscopic nephron-sparing surgery (LNSS) for renal cell carcinoma (RCC) based on the precise anatomy of the nephron, and to decrease the incidence of hemorrhage and urinary leakage. Between January 2012 and December 2013, 31 patients who presented to the General Hospital of the People's Liberation Army (Beijing, China) were treated for RCC. The mean tumor size was 3.4±0.7 cm in diameter (range, 1.2-6.0 cm). During surgery, the renal artery was blocked, and subsequently, an incision in the renal capsule and renal cortex was performed, at 3-5 mm from the tumor edge...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27892984/anatomical-distributions-of-basal-cell-carcinoma-and-squamous-cell-carcinoma-in-a-population-based-study-in-queensland-australia
#12
Padmini Subramaniam, Catherine M Olsen, Bridie S Thompson, David C Whiteman, Rachel E Neale
Importance: Keratinocyte cancers (KCs), including basal cell carcinoma (BCC) and squamous cell carcinoma (SCC), are the most common cancers among fair-skinned populations worldwide. Although studies have indicated that the anatomical distribution of BCC and SCC differ, few have compared them directly in well-defined population samples. Objectives: To describe and compare the anatomical distribution of BCC and SCC in a population-based sample in Queensland, Australia...
November 23, 2016: JAMA Dermatology
https://www.readbyqxmd.com/read/27892658/occupational-syncarcinogenesis-in-the-skin-combined-effects-of-two-carcinogens-from-the-german-occupational-disease-list
#13
Heinrich Dickel, Otto Blome, Beate Dickel, Thomas Bruckner, Eggert Stockfleth, Silas Paras Soemantri
BACKGROUND: Though scientifically undisputed, cutaneous syncarcinogenesis is not reflected in German occupational disease (OD) regulations, which tend to be guided by the tenet of monocausality. Recognition of nonmelanoma skin cancer (NMSC) and its precursor lesions as OD requires individual assessment as to whether the requirements pursuant to either OD 5103 (occupational exposure to natural UV radiation) or OD 5102 (occupational exposure to polycyclic aromatic hydrocarbons) are fulfilled...
November 28, 2016: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/27892649/thresholding-methods-for-lesion-segmentation-of-basal-cell-carcinoma-in-dermoscopy-images
#14
R Kaur, R LeAnder, N K Mishra, J R Hagerty, R Kasmi, R J Stanley, M E Celebi, W V Stoecker
PURPOSE: Algorithms employed for pigmented lesion segmentation perform poorly on dermoscopy images of basal cell carcinoma (BCC), the most common skin cancer. The main objective was to develop better methods for BCC segmentation. METHODS: Fifteen thresholding methods were implemented for BCC lesion segmentation. We propose two error metrics that better measure the type II error: Relative XOR Error and Lesion Capture Ratio. RESULTS: On training/test sets of 305 and 34 BCC images, respectively, five new techniques outperform two state-of-the-art methods used in segmentation of melanomas, based on the new error metrics...
November 28, 2016: Skin Research and Technology
https://www.readbyqxmd.com/read/27891276/blue-ear-cyst-a-rare-eccrine-hidrocystoma-of-the-ear-canal-and-successful-endoscopic-excision
#15
Taha A Mur, Ronald Miick, Natasha Pollak
Aims. Hidrocystomas are benign cystic growths of the apocrine and eccrine sweat glands. These cystic lesions have been well documented on the face, head, and neck, but rarely in the external auditory canal. Presentation of Case. A 67-year-old woman presented with a bluish cystic mass partially occluding the external auditory canal and interfering with hearing aid use. Lesion was excised completely via a transcanal endoscopic approach with excellent cosmetic results, no canal stenosis, and no recurrence at 1-year follow-up...
2016: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/27888160/preliminary-results-of-comparative-study-for-subsequent-photodynamic-therapy-versus-secondary-excision-after-primary-excision-for-treating-basal-cell-carcinoma
#16
Wenbo Bu, Mengli Zhang, Qian Zhang, Chunyu Yuan, Xu Chen, Fang Fang
Some basal cell carcinomas (BCCs) are indistinguishable from nevi based on clinical manifestations. Therefore, it is often difficult for the excision margins of the initial surgical treatment to achieve radical removal of the malignancy. This study was a comparative analysis of the clinical results of aminolevulinic acid (ALA)-photodynamic therapy (PDT) or secondary surgery after the primary excision. In total, 20 patients with preoperative clinical diagnoses of nevi underwent in situ resection. The postoperative pathological diagnoses confirmed all cases were BCC...
November 22, 2016: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/27887573/in-vitro-function-of-upstream-visfatin-polymorphisms-that-are-associated-with-adverse-cardiometabolic-parameters-in-obese-children
#17
Delicia Shu Qin Ooi, Siong Gim Ong, Chew Kiat Heng, Kah Yin Loke, Yung Seng Lee
BACKGROUND: Visfatin is an adipokine associated with glucose and lipid metabolism. We previously reported two visfatin upstream single nucleotide polymorphisms (SNPs), c.-3187G > A (rs11977021) and c.-1537C > T (rs61330082), which were in perfect linkage disequilibrium, in a Singaporean cohort of severely obese children and are associated with visfatin level and adverse cardiometabolic parameters. We aim to functionally characterize the effect of c.-3187G > A and c...
November 25, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27885422/cd44-induces-foxp3-expression-and-is-related-with-favorable-outcome-in-breast-carcinoma
#18
Elena Sanmartín, Fernando Ortiz-Martínez, Eloy Pomares-Navarro, Araceli García-Martínez, Montserrat Rodrigo-Baños, Marta García-Escolano, Leire Andrés, Enrique Lerma, Francisco I Aranda, Pascual Martínez-Peinado, José M Sempere-Ortells, Gloria Peiró
We studied the relationship between CD44 and Forkhead box P3 (FOXP3) gene expression in cell lines and breast carcinomas and their association with clinicopathological variables and patient outcome. We assessed messenger RNA (mRNA) expression of CD44 and FOXP3 by quantitative real-time PCR and determined the number of FOXP3+ Tregs by immunohistochemistry in 264 breast cancer specimens. CD44 was stimulated with hyaluronan treatment, and the accompanying changes in FOXP3 mRNA expression in breast cancer cell lines representing breast cancer subtype were assessed...
November 24, 2016: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/27881944/-2518-a-g-mcp-1-but-not-403-g-a-rantes-gene-polymorphism-is-associated-with-enhanced-risk-of-basal-cell-carcinoma
#19
Michał Sobjanek, Monika Zabłotna, Aneta Szczerkowska-Dobosz, Katarzyna Ruckemann-Dziurdzińska, Malgorzata Sokolowska-Wojdylo, Roman Nowicki
INTRODUCTION: Polymorphic variants of MCP-1 and RANTES genes and their protein serum levels have been implicated in the increased risk and severity of several malignancies. However, the subject has not been explored in basal cell carcinoma (BCC) patients so far. AIM: To investigate the association between monocyte chemoattractant protein 1 (MCP-1) (-2518 A/G) and RANTES (-403 G/A) polymorphism and risk and clinical course of BCC. MATERIAL AND METHODS: The study group consisted of 150 unrelated patients with BCC and 140 healthy, unrelated, age- and sex-matched volunteers...
October 2016: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/27881310/implant-retained-skull-prosthesis-to-cover-a-large-defect-of-the-hairy-skull-resulting-from-treatment-of-a-basal-cell-carcinoma-a-clinical-report
#20
Jitske Hoekstra, Arjan Vissink, Gerry M Raghoebar, Anita Visser
Skin carcinoma, particularly basal cell carcinoma, and its treatment can result in large defects of the hairy skull. A 53-year-old man is described who was surgically treated for a large basal cell carcinoma invading the skin and underlying tissue at the top of the hairy skull. Treatment consisted of resecting the tumor and external part of the skull bone. To protect the brain and to cover the defect of the hairy skull, an acrylic resin skull prosthesis with hair was designed to mask the defect. The skull prosthesis was retained on 8 extraoral implants placed at the margins of the defect in the skull bone...
October 27, 2016: Journal of Prosthetic Dentistry
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