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https://www.readbyqxmd.com/read/28647159/risk-factors-for-lymph-node-metastases-of-facial-cutaneous-squamous-cell-carcinoma
#1
Katharina Obermeier, Matthias Tröltzsch, Michael Ehrenfeld, Wenko Smolka
PURPOSE: Determining the risk factors for lymph node metastases of facial cutaneous squamous cell carcinoma and identifying their value for predicting nodal spread. MATERIAL AND METHODS: Data on 99 patients were examined retrospectively. Conditions such as tumor staging, tumor thickness, location, histological grading, R1-resection, local recurrence, lymph node metastases, and neurovascular and lymphovascular invasion were evaluated. Statistical analysis was performed using a logistic regression analysis and Fisher's test...
May 22, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28645859/discovery-of-a-novel-pan-raf-inhibitor-with-potent-anti-tumor-activity-in-preclinical-models-of-braf-v600e-mutant-cancer
#2
Sung Pyo Hong, Soon Kil Ahn
AIMS: BRAF mutations, especially BRAF V600E, are a frequent occurrence in malignant melanomas. The BRAF inhibitors are used as the care standard for BRAF-mutant metastatic melanomas. However, melanomas rapidly develop resistance to BRAF inhibitors after a median response duration of 6months, and the subsequent rapid development of cutaneous toxicity is enhanced by the paradoxical activation of CRAF. In this study, we discovered a potent and selective pan-RAF inhibitor: INU-152. The goal of this study was to investigate whether the inhibition of pan-RAF with INU-152 completely disrupts the MAPK pathway in cancer cells bearing BRAF or RAS mutations...
June 20, 2017: Life Sciences
https://www.readbyqxmd.com/read/28643285/skin-manifestations-of-inflammatory-bowel-disease
#3
REVIEW
Thomas Greuter, Alexander Navarini, Stephan R Vavricka
Inflammatory bowel disease (IBD) with its two main subtypes Crohn's disease and ulcerative colitis is not restricted to the gastrointestinal tract. Indeed, so-called extraintestinal manifestations (EIMs) are frequent and considerably affect morbidity and mortality. The prevalence of EIMs ranges from 6 to 47%. In up to one quarter of the patients, EIMs can present even before an IBD diagnosis is established. The pathophysiology of EIMs remains elusive, although data from clinical trials demonstrating anti-tumor necrosis factor (TNF) efficacy suggest a common pathogenic link between intestinal and extraintestinal disease activity...
June 23, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28639409/anti-pd-1-antibodies-in-metastatic-uveal-melanoma-a-treatment-option
#4
Carolin Bender, Alexander Enk, Ralf Gutzmer, Jessica C Hassel
Uveal melanomas (UMs) are a rare form of cancer with clinical and pathological characteristics distinct from cutaneous melanomas. Ipilimumab has shown efficacy and safety in the treatment of metastatic UM. This provides a rationale for treatment with other immune checkpoint inhibitors. This is a retrospective review of 15 patients with metastatic UM treated between June 2014 and February 2016, who received treatment with the anti-PD-1 Abs pembrolizumab or nivolumab. Patients were treated at two German university hospitals...
June 21, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28635084/primary-tumor-sites-in-relation-to-ultraviolet-radiation-exposure-and-skin-visibility-correlate-with-survival-in-cutaneous-melanoma
#5
Daniela Gordon, Johan Hansson, Sandra Eloranta, Max Gordon, Peter Gillgren, Karin E Smedby
The prognostic value of detailed anatomic site and ultraviolet radiation (UVR) exposure patterns has not been fully determined in cutaneous melanoma. Thus, we reviewed medical records for detailed site in a population-based retrospective Swedish patient cohort diagnosed with primary invasive melanoma 1976 - 2003 (n=5,973). We followed the patients from date of diagnosis until death, emigration or December 31(st) 2013, and evaluated melanoma-specific survival by subsite in a multivariable regression model adjusting for established prognostic factors...
June 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28633745/carcinoma-hemorrhagiectoides-case-report-of-an-uncommon-presentation-of-cutaneous-metastatic-breast-carcinoma
#6
Roberto Cullen Aravena, Daniella Cullen Aravena, Margarita Jo Velasco, Alejandra Queirolo González, Luis Requena
In most cases, cutaneous metastases develop after the diagnosis of the primary internal malignancy has been established, but sometimes they can be discovered earlier or simultaneously. We describe a case of a 90-year-old woman who presented to the emergency room in poor general condition, with cutaneous lesions characterized by hot, infiltrated, violaceous and erythematous plaques involving the left chest wall. The clinical and histopathological findings were consistent with the recently described variant of inflammatory cutaneous metastatic carcinoma named carcinoma hemorrhagiectoides...
June 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28632950/fibroblastic-connective-tissue-nevus-clinicopathological-and-immunohistochemical-study-of-14-cases
#7
Ilaria Pennacchia, Heinz Kutzner, Dmitry V Kazakov, Thomas Mentzel
BACKGROUND: We present herein a series of 14 lesions showing overlapping features with the newly defined benign cutaneous mesenchymal neoplasm labelled as fibroblastic connective tissue nevus (FCTN). METHODS AND RESULTS: Eight patients were male and five were female, ranging in age from 1 to 56 years. Lesions appeared as isolated nodules or plaques on the trunk (7 cases), the limbs (4 cases) and the neck (2 cases). Histologically, all cases were composed of bundles of bland spindle cells of fibroblastic/myofibroblastic lineage irregularly branching within the reticular dermis and along fibrous septa in the subcutis...
June 20, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28632813/cutaneous-metastasis-of-a-pulmonary-carcinoid-tumor
#8
Leyre Falto-Aizpurua, Sarah Seyfer, Bhuvaneswari Krishnan, Ida Orengo
Carcinoid tumors are uncommon neoplasms of neuroendocrine origin that generally arise in the gastrointestinal or bronchopulmonary tracts and typically are characterized by an indolent clinical course. Metastases from these primary neoplasms more commonly affect the viscera, with rare reports of cutaneous metastases to the skin. We report the case of a patient with a cutaneous carcinoid metastasis that was incidentally brought to our attention because of the exquisite tenderness of the lesion. A brief review of the literature also is provided...
May 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28632698/primary-cutaneous-angiosarcoma-mimicking-metastasis-on-18f-fdg-pet-ct-in-woman-with-cervix-cancer
#9
Jae Pil Hwang
Primary cutaneous angiosarcoma is a rare vascular tumor usually affecting the whole body, and its hypermetabolic features on F-FDG PET/CT may be confused with those of infection, metastasis, or primary malignancy. This is a case report of a cutaneous angiosarcoma of the lower anterior abdomen showing increased FDG uptake on F-FDG PET/CT mimicking a cutaneous metastasis in an 84-year-old woman with cervical cancer.
June 19, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28630054/slc45a2-a-melanoma-antigen-with-high-tumor-selectivity-and-reduced-potential-for-autoimmune-toxicity
#10
Jungsun Park, Amjad H Talukder, Seonah Lim, Kwanghee Kim, Ke Pan, Brenda Melendez, Sherille D Bradley, Kyle Jackson, Jahan S Khalili, Junmei Wang, Caitlin Creasy, Bih-Fang Pan, Scott E Woodman, Chantale Bernatchez, David Hawke, Patrick Hwu, Kyung-Mi Lee, Jason Roszik, Gregory Lizee, Cassian Yee
Cytotoxic T lymphocyte (CTL)-based immunotherapies have had remarkable success at generating objective clinical responses in patients with advanced metastatic melanoma.  Although the melanocyte differentiation antigens (MDAs) MART-1, PMEL, and tyrosinase were among the first melanoma tumor-associated antigens identified and targeted with immunotherapy, expression within normal melanocytes of the eye and inner ear can elicit serious autoimmune side effects, thus limiting their clinical potential as CTL targets...
June 19, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28627087/familial-seborrhoeic-keratosis-associated-with-multiple-pure-reticulated-acanthomas-and-infundibulocystic-basal-cell-carcinomas
#11
J Agustí, R Bella-Navarro, A B García-García, E Bueno, R González-Sarmiento, L Navarro, B Sanchez-Sendra, A Revert, E Jordá, C Monteagudo
BACKGROUND: A variety of genodermatoses with multiple cutaneous tumors with germline genetic alterations such as Gorlin syndrome with PTCH1 gene mutations have been described. Other cutaneous syndromes have been associated with somatic gene mutations, such as FGFR3 in familial seborrhoeic keratosis. OBJECTIVE: We describe the clinical, dermoscopic, and histopathological features of multiple cutaneous lesions, mostly infundibulocystic basal cell carcinomas and pure reticulated acanthomas, present in a family affected by familial seborrhoeic keratosis...
June 18, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28626898/plk-1-immunoreactivity-is-associated-with-metastases-in-cutaneous-melanoma
#12
Maciej Kaczorowski, Tomasz Borowiec, Piotr Donizy, Konrad Pagacz, Wojciech Fendler, Artur Lipinski, Agnieszka Halon, Rafal Matkowski
BACKGROUND: PLK-1 is one of the key regulators of cell cycle progression. Increased expression of PLK-1 was observed in several tumor types. METHODS: We immunohistochemically assessed PLK-1 expression in neoplastic and stromal compartments of 96 cutaneous melanomas, and analyzed associations between PLK-1 expression and clinicopathological characteristics. RESULTS: PLK-1 expression in cancer cells was not associated with basic clinical (e...
June 19, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28624558/safety-and-feasibility-of-electrochemotherapy-in-patients-with-unresectable-colorectal-liver-metastases-a-pilot-study
#13
Laura Coletti, Valentina Battaglia, Paolo De Simone, Laura Turturici, Carlo Bartolozzi, Franco Filipponi
BACKGROUND AND OBJECTIVES: Electrochemotherapy is a novel ablation technique combining chemotherapeutic agents with reversible cell membrane electroporation. Previous experiences have shown its efficacy for cutaneous tumors. Its application for deep-seated malignancies is under investigation. We performed a prospective, pilot study to evaluate the feasibility, safety, and efficacy of intraoperative electrochemotherapy for otherwise unresectable colorectal liver metastases. METHODS: Electrochemotherapy with bleomycin was combined with open liver resection and performed with linear or hexagonal needle electrodes according to an individualized pretreatment plan...
June 15, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28624008/a-systematic-review-of-yttrium-90-radioembolization-for-unresectable-liver-metastases-of-melanoma
#14
REVIEW
Zhongzhi Jia, Guomin Jiang, Chunfu Zhu, Kai Wang, Shaoqin Li, Xihu Qin
PURPOSE: To assess the effectiveness of yttrium-90 ((90)Y) radioembolization in the treatment of unresectable liver metastases of melanoma. METHODS: PubMed and EMBASE were systemically searched for all English language studies related to (90)Y radioembolization for unresectable liver metastases of melanoma, including clinical trials, observational studies, and abstracts from conferences, published between January 1991 and March 2016. RESULTS: A total of 12 reports (7 observational studies and 5 abstracts from conferences) involving 255 patients were included in the analysis...
July 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28622428/cutaneous-pseudomyogenic-epithelioid-sarcoma-like-hemangioendothelioma-fosb-immunohistochemistry-demonstrating-the-serpine1-fosb-fusion-gene
#15
Victoria Alegría-Landa, Carlos Santonja, Margarita Jo-Velasco, Heinz Kutzner, Luis Requena
Pseudomyogenic hemangioendothelioma is a distinctive vascular neoplasm characterized by a multicentric presentation that mostly involves the lower extremities of young adults. Histopathologic resemblance to epithelioid sarcoma and co-expression of both keratins and endothelial markers are its hallmarks. A specific SERPINE1-FOSB fusion gene derived from t(7;19)(q22;q13) with significantly higher FOSB mRNA expression in neoplastic cells is the characteristic cytogenetic anomaly of this tumor. This article is protected by copyright...
June 16, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28620445/unusual-gastrointestinal-and-cutaneous-toxicities-by-bleomycin-etoposide-and-cisplatin-a-case-report-with-pharmacogenetic-analysis-to-personalize-treatment
#16
Marzia Del Re, Tiziana Latiano, Leonardo Fidilio, Giuliana Restante, Franco Morelli, Evaristo Maiello, Romano Danesi
The standard treatment of testicular germ cell tumors is based on the combination of bleomycin, etoposide, and cisplatin (PEB). However, this treatment may be associated with severe adverse reactions, such as hematological and non-hematological toxicities. Here, we report a case of a patient suffering from severe PEB-related toxicities, to whom pharmacogenetic analyses were performed, comprising a panel of genes involved in PEB metabolism. The analysis revealed the presence of a complex pattern of polymorphisms in GSTP1, UGT1A1 (TA)6/7, UGT1A7, and ABCB1...
March 2017: EPMA Journal
https://www.readbyqxmd.com/read/28620393/tweak-fn14-activation-participates-in-ro52-mediated-photosensitization-in-cutaneous-lupus-erythematosus
#17
Yale Liu, Meifeng Xu, Xiaoyun Min, Kunyi Wu, Ting Zhang, Ke Li, Shengxiang Xiao, Yumin Xia
Tumor necrosis factor (TNF)-like weak inducer of apoptosis (TWEAK) binds to its sole receptor fibroblast growth factor-inducible 14 (Fn14), participating in various inflammatory responses. Recently, TWEAK/Fn14 activation was found prominent in the lesions of cutaneous lupus erythematosus (CLE). This study was designed to further reveal the potential role of this pathway in Ro52-mediated photosensitization. TWEAK, Fn14, and Ro52 were determined in the skin lesions of patients with CLE. Murine keratinocytes received ultraviolet B (UVB) irradiation or plus TWEAK stimulation and underwent detection for Ro52 and proinflammatory cytokines...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28620008/pten-dicer1-fh-and-their-associated-tumor-susceptibility-syndromes-clinical-features-genetics-and-surveillance-recommendations-in-childhood
#18
REVIEW
Kris Ann P Schultz, Surya P Rednam, Junne Kamihara, Leslie Doros, Maria Isabel Achatz, Jonathan D Wasserman, Lisa R Diller, Laurence Brugières, Harriet Druker, Katherine A Schneider, Rose B McGee, William D Foulkes
PTEN hamartoma tumor syndrome (PHTS), DICER1 syndrome, and hereditary leiomyomatosis and renal cell cancer (HLRCC) syndrome are pleiotropic tumor predisposition syndromes that include benign and malignant neoplasms affecting adults and children. PHTS includes several disorders with shared and distinct clinical features. These are associated with elevated lifetime risk of breast, thyroid, endometrial, colorectal, and renal cancers as well as melanoma. Thyroid cancer represents the predominant cancer risk under age 20 years...
June 15, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28614815/a-case-of-pulmonary-langerhans-cell-sarcoma-simultaneously-diagnosed-with-cutaneous-langerhans-cell-histiocytosis-studied-by-whole-exome-sequencing
#19
Si-Wook Kim, Moon Ki Choi, Hye Sook Han, Hyojin Song, Youngil Koh, Seung-Myoung Son, Ok-Jun Lee, Ji Yeoun Lee, Ki Man Lee, Ki Hyeong Lee, Jihyun Kwon
Langerhans cell histiocytosis (LCH) and Langerhans cell sarcoma (LCS) are clonal proliferations of Langerhans-type cells. Unlike in LCH, the pathophysiology and clinical course of LCS are unclear due to its rarity. Here, we report the case of a 73-year-old male patient who was diagnosed with cutaneous LCH and pulmonary LCS at the same time. Pathological review of these 2 tumors revealed similar immunohistochemical findings. However, the tumor cells in LCS had more aggressive cytological features than those in LCH...
June 15, 2017: Acta Haematologica
https://www.readbyqxmd.com/read/28613106/innovative-array-based-assay-for-omics-pattern-in-melanoma
#20
Carmen Dumitru, Carolina Constantin, Cristiana Popp, Mirela Cioplea, Sabina Zurac, Tatiana Vassu, Monica Neagu
Cutaneous melanoma remains a major health issue and still an important challenge for research. Thus omics complex evaluation can provide a more specific molecular classification for this heterogeneous disease. Complex omics analysis based on genomic and proteomic microarrays can identify disease markers that prognosticate disease evolution or can monitor therapies efficacy. Among the technologies that gained momentum in the last years, array based comparative genomic hybridization offered the possibility to analyze chromosomal numerical aberrations within cutaneous melanomas providing important support for molecular classification of melanoma tumors...
June 14, 2017: Journal of Immunoassay & Immunochemistry
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