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Cutaneous squamous cell carcinoma

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https://www.readbyqxmd.com/read/29674508/combined-braf-and-hsp90-inhibition-in-patients-with-unresectable-braf-v600e-mutant-melanoma
#1
Zeynep Eroglu, Yian Ann Chen, Geoffrey T Gibney, Jeffrey S Weber, Ragini R Kudchadkar, Nikhil I Khushalani, Joseph Markowitz, Andrew S Brohl, Leticia F Tetteh, Howida Ramadan, Gina Arnone, Jiannong Li, Xiuhua Zhao, Ritin Sharma, Lancia N F Darville, Bin Fang, Inna Smalley, Jane L Messina, John M Koomen, Vernon K Sondak, Keiran S M Smalley
PURPOSE: BRAF inhibitors are clinically active in patients with advanced BRAFV600 -mutant melanoma, although acquired resistance remains common. Preclinical studies demonstrated that resistance could be overcome using concurrent treatment with the HSP90 inhibitor XL888. METHODS: Vemurafenib (960 mg PO BID) combined with escalating doses of XL888 (30, 45, 90 or 135 mg PO twice weekly) was investigated in 21 patients with advanced BRAFV600 -mutant melanoma. Primary endpoints were safety and determination of a maximum tolerated dose...
April 19, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29666026/cervical-cancer-state-of-the-science-from-angiogenesis-blockade-to-checkpoint-inhibition
#2
REVIEW
Lindsey E Minion, Krishnansu S Tewari
Vascular endothelial growth factor (VEGF) has emerged as a therapeutic target in several malignancies, including cervical cancer. Chemotherapy doublets combined with the fully humanized monoclonal antibody, bevacizumab, now constitute first-line therapy for women struggling with recurrent/metastatic cervical carcinoma. Regulatory approval for this indication was based on the phase III randomized trial, GOG 240, which demonstrated a statistically significant and clinically meaningful improvement in overall survival when bevacizumab was added to chemotherapy: 17...
March 2018: Gynecologic Oncology
https://www.readbyqxmd.com/read/29665991/differential-proteomic-analysis-of-actinic-keratosis-bowen-s-disease-and-cutaneous-squamous-cell-carcinoma-by-label-free-lc-ms-ms
#3
Ali Azimi, Kimberley L Kaufman, Marina Ali, Jonathan Arthur, Steven Kossard, Pablo Fernandez-Penas
BACKGROUND: The boundaries between actinic keratosis (AK), Bowen's disease (BD), and cutaneous squamous cell carcinoma (cSCC) are sometimes not clear. Large-scale proteomic profiling studies of these lesions are also non-existent. OBJECTIVE: To evaluate proteomic changes between normal epidermis, AK, BD and cSCC that could support a molecular classification and improve our understanding of disease progression. METHODS: Microdissected formalin-fixed paraffin embedded samples of normal epidermis (n = 4, pooled), AK (n = 10), BD (n = 10) and cSCC (n = 10) were analyzed by mass spectrometry...
April 10, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/29665511/advanced-cutaneous-squamous-cell-carcinoma-a-retrospective-analysis-of-patient-profiles-and-treatment-patterns-results-of-a-non-interventional-study-of-the-decog
#4
Uwe Hillen, Ulrike Leiter, Sylvie Haase, Roland Kaufmann, Jürgen Becker, Ralf Gutzmer, Patrick Terheyden, Albrecht Krause-Bergmann, Hans-Joachim Schulze, Jessica Hassel, Nina Lahner, Uwe Wollina, Fabian Ziller, Jochen Utikal, Christine Hafner, Jens Ulrich, Hans-Günther Machens, Carsten Weishaupt, Axel Hauschild, Peter Mohr, Claudia Pföhler, Jan Maurer, Patrick Wolff, Christine Windemuth-Kieselbach, Dirk Schadendorf, Elisabeth Livingstone
BACKGROUND: Advanced cutaneous squamous cell carcinoma (aSCC) is an area of unmet medical need and no treatment standards are established. Recently, an anti-PD-1 inhibitor received FDA breakthrough therapy designation. The aim of the study was to describe the clinical course, therapeutic management and prognosis of aSCC under real-life conditions. PATIENTS AND METHODS: In a retrospective study performed in 24 German and Austrian hospitals and doctor's offices, patient and tumour characteristics of patients diagnosed with aSCC between January 1, 2010 and December 31, 2011 and their disease course was documented...
April 14, 2018: European Journal of Cancer
https://www.readbyqxmd.com/read/29665030/dermatologic-toxicity-from-novel-therapy-using-antimicrobial-peptide-ll-37-in-melanoma-a-detailed-examination-of-the-clinicopathologic-features
#5
Tsetan Dolkar, Celestine M Trinidad, Kelly C Nelson, Rodabe N Amaria, Priyadharsini Nagarajan, Carlos A Torres-Cabala, Doina Ivan, Victor G Prieto, Michael T Tetzlaff, Jonathan L Curry, Phyu P Aung
LL-37 is a naturally occurring 37-amino acid that is part of innate immunity in human skin. Preclinical studies have demonstrated that intra-tumoral injections of LL-37 stimulate the innate immune system by activation of plasmacytoid dendritic cells, which mediate tumor destruction. LL-37 intra-tumoral injections have been utilized in a Phase 1 clinical trial for melanoma patients with cutaneous metastases. We report dermatologic toxicity in a 63-year-old woman with stage IIIC melanoma of the right calf and inguinal lymph nodes...
April 17, 2018: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/29662191/wnt-ligands-control-initiation-and-progression-of-human-papillomavirus-driven-squamous-cell-carcinoma
#6
Dario Zimmerli, Virginia Cecconi, Tomas Valenta, George Hausmann, Claudio Cantù, Gaetana Restivo, Jürg Hafner, Konrad Basler, Maries van den Broek
Human papillomavirus (HPV)-driven cutaneous squamous cell carcinoma (cSCC) is the most common cancer in immunosuppressed patients. Despite indications suggesting that HPV promotes genomic instability during cSCC development, the molecular pathways underpinning HPV-driven cSCC development remain unknown. We compared the transcriptome of HPV-driven mouse cSCC with normal skin and observed higher amounts of transcripts for Porcupine and WNT ligands in cSCC, suggesting a role for WNT signaling in cSCC progression...
April 17, 2018: Oncogene
https://www.readbyqxmd.com/read/29662084/hoxa9-inhibits-hif-1%C3%AE-mediated-glycolysis-through-interacting-with-crip2-to-repress-cutaneous-squamous-cell-carcinoma-development
#7
Liang Zhou, Yinghui Wang, Meijuan Zhou, Ying Zhang, Pengfei Wang, Xiaoxing Li, Jing Yang, Hongmei Wang, Zhenhua Ding
Glycolytic reprogramming is a typical feature of many cancers; however, key regulators of glucose metabolism reengineering are poorly understood, especially in cutaneous squamous cell carcinoma (cSCC). Here, Homeobox A9 (HOXA9), a direct target of onco-miR-365, is identified to be significantly downregulated in cSCC tumors and cell lines. HOXA9 acts as a tumor suppressor and inhibits glycolysis in cSCC in vitro and in vivo by negatively regulating HIF-1α and its downstream glycolytic regulators, HK2, GLUT1 and PDK1...
April 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29661336/cutaneous-head-and-neck-malignancies-in-the-elderly
#8
REVIEW
Brian B Hughley, Cecelia E Schmalbach
Cutaneous malignancy of the head and neck affects a large proportion of elderly patients. The severity ranges from small, easily treatable lesions to large, invasive, potentially metastatic tumors. Surgical treatment is the primary treatment of most skin cancers; however, geriatric patients are more likely to have multiple comorbidities that increase the risk of surgery. Multiple treatment modalities exist, including surgical, radiation, and medical therapy. Recommendations and treatment options for basal cell carcinoma, squamous cell carcinoma, Merkel cell carcinoma, and melanoma are outlined and reviewed...
May 2018: Clinics in Geriatric Medicine
https://www.readbyqxmd.com/read/29660567/summary-of-expression-of-sparc-protein-in-cutaneous-vascular-neoplasms-and-mimickers
#9
Shakuntala H Mauzo, Denái R Milton, Victor G Prieto, Carlos A Torres-Cabala, Wei-Lien Wang, Nitin Chakravarti, Priyadharsini Nagarajan, Michael T Tetzlaff, Jonathan L Curry, Doina Ivan, Robert E Brown, Phyu P Aung
BACKGROUND: Serum protein acidic and rich in cysteine (SPARC) is a matricellular glycoprotein, which regulates cell proliferation and facilitates intracellular transport of albumin bound particles including chemotherapeutic agents such as Nab-paclitaxel/ABI-007. Therefore the presence of SPARC may achieve higher intra-tumoral drug concentration with lower dosage and thus reduce systemic side-effects. Several trials of ABI-007, in melanoma, show promising clinical activity. DESIGN: Fifty-four cases of dermal based neoplasms were retrieved including 24 angiosarcomas (AS), 10 hemangiomas, 9 nodular melanomas, 4 Kaposi sarcomas (KS), 3 leiomyosarcomas (LMS), 3 atypical fibroxanthomas (AFX) and 1 spindle cell squamous cell carcinoma (SSCC)...
March 15, 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29648676/sentinel-lymph-node-biopsy-in-cutaneous-squamous-cell-carcinoma-series-of-37-cases-and-systematic-review-of-the-literature
#10
Raphael Lhote, Jérôme Lambert, Jumie Lejeune, Jeremy Gottlieb, Antoine Badaoui, Maxime Battistella, Jennifer Roux, Cecile Pages, Laetitia Vercellino, Catherine Vilmer, Christine Le Maignan, Catherine Escande, Besma MBarek, Martine Bagot, Celeste Lebbé, Nicole Basset-Seguin
Cutaneous squamous cell carcinoma is one of the most common skin cancers and can lead to patient death. Early diagnosis of node metastasis is a major goal for dermatologists and oncologists. The sentinel lymph node procedure has been proposed to improve this issue but is still debated. To evaluate the efficacy and the impact of this technique on prognosis of cutaneous squamous cell carcinoma, 37 patients (Saint Louis Hospital, Paris - France) who underwent sentinel lymph node biopsy and 290 cases from the literature were analyzed...
April 12, 2018: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/29644193/nonvenereal-penile-dermatoses-a-retrospective-study
#11
Ana Marcos-Pinto, Luís Soares-de-Almeida, João Borges-Costa
Context: A variety of nonvenereal diseases can affect the penis and diminish quality of life. Many present similar clinical features and a cutaneous biopsy may be necessary to clarify the diagnosis. Aims: To characterize nonvenereal penile dermatoses with histological confirmation in a southwestern Europe hospital during a 9-year period. Materials and Methods: A retrospective study was conducted. We reviewed all penile biopsies performed between January 1, 2007 and December 31, 2015 and studied the causes of the nonvenereal penile dermatoses...
March 2018: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/29629648/cutaneous-squamous-cell-carcinoma-associated-with-zalophus-californianus-papillomavirus-1-in-a-california-sea-lion
#12
Jennifer A Luff, Rachel E Burns, Michelle Mader, Kara D Priest, Allison D Tuttle
Papillomaviruses (PVs) are found in many species and infect epithelial cells at both mucosal and cutaneous sites. PVs are generally species-specific and cause benign epithelial proliferations, often forming papillomas or plaques. Rarely, these infections can persist, allowing progression to in situ and invasive cancers. We describe herein a case of multiple cutaneous pigmented plaques from a California sea lion ( Zalophus californianus) that progressed to in situ and invasive squamous cell carcinoma (SCC). The lesions were characterized by epithelial hyperplasia, hyperkeratosis, and hypergranulosis that bordered more dysplastic areas, and, at one site, bordered an invasive SCC...
April 1, 2018: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/29629337/novel-therapeutic-targets-in-cutaneous-squamous-cell-carcinoma
#13
REVIEW
Teruki Yanagi, Shinya Kitamura, Hiroo Hata
Cutaneous squamous cell carcinoma (SCC) is one of the common cancers in Caucasians, accounting for 20-30% of cutaneous malignancies. The risk of metastasis is low in most patients; however, aggressive SCC is associated with very high mortality and morbidity. Although cutaneous SCC can be treated with surgical removal, radiation and chemotherapy singly or in combination, the prognosis of patients with metastatic SCC is poor. Recently, the usage of immune checkpoint blockades has come under consideration. To develop effective therapies that are less toxic than existing ones, it is crucial to achieve a detailed characterization of the molecular mechanisms that are involved in cutaneous SCC pathogenesis and to identify new drug targets...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29627521/epidermolysis-bullosa-molecular-pathology-of-connective-tissue-components-in-the-cutaneous-basement-membrane-zone
#14
REVIEW
Cristina Has, Alexander Nyström, Amir Hossain Saeidian, Leena Bruckner-Tuderman, Jouni Uitto
Epidermolysis bullosa (EB), a group of heritable skin fragility disorders, is characterized by blistering, erosions and chronic ulcers in the skin and mucous membranes. In some forms, the blistering phenotype is associated with extensive mutilating scarring and development of aggressive squamous cell carcinomas. The skin findings can be associated with extracutaneous manifestations in the ocular as well as gastrointestinal and vesico-urinary tracts. The phenotypic heterogeneity reflects the presence of mutations in as many as 20 different genes expressed in the cutaneous basement membrane zone, and the types and combinations of the mutations and their consequences at the mRNA and protein levels contribute to the spectrum of severity encountered in different subtypes of EB...
April 5, 2018: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/29611361/age-is-not-a-predictor-of-prognosis-in-metastatic-cutaneous-squamous-cell-carcinoma-of-the-head-and-neck
#15
Joel A Smith, Sohaib Virk, Carsten E Palme, Tsu-Hui Hubert Low, Sydney Ch'ng, Ruta Gupta, Kan Gao, Jonathan Clark
BACKGROUND: Metastatic cutaneous squamous cell carcinoma of the head and neck (cHNSCC) is more common in older patients. It is postulated that the age-related decline in immunity plays a role in cancer predisposition and prognosis. We aimed to investigate the effect of age on outcomes in cHNSCC and compare these with the outcomes of patients with cHNSCC and known immunosuppression. METHODS: Patients with metastatic cHNSCC treated with curative intent were identified from a prospectively collated database of head and neck cancers at the Sydney Head and Neck Cancer Institute...
April 2018: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/29602886/rapid-onset-of-multiple-concurrent-squamous-cell-carcinomas-associated-with-the-use-of-an-arsenic-containing-traditional-medicine-for-chronic-plaque-psoriasis
#16
Mark Louis Siefring, Doanh Lu, J Christopher States, Minh Van Hoang
We report a case of a 46-year-old Vietnamese man who developed widespread, numerous and concurrent cutaneous squamous cell carcinomas (SCCs) in non-sun exposed skin areas after taking a traditional medicine (TM) formulation for chronic plaque psoriasis. The SCC lesions began to develop within 12-15 months after beginning the arsenic-containing TM. The patient experienced both acute and chronic symptoms consistent with arsenic exposure. Laboratory investigation of a collected hair sample showed a significant arsenic level...
March 30, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29601811/perineural-invasion-in-human-cutaneous-squamous-cell-carcinoma-is-linked-to-neurotrophins-epithelial-mesenchymal-transition-and-ncam1
#17
C Brugière, M El Bouchtaoui, C Leboeuf, G Gapihan, R Ait El Far, M Sy, A L Lepage, P Ratajczak, A Janin, L Verneuil
No abstract text is available yet for this article.
March 27, 2018: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29596683/marjolin-s-ulcer-arising-in-a-burn-scar
#18
Andrea Sisti, Edoardo Pica Alfieri, Roberto Cuomo, Luca Grimaldi, Cesare Brandi, Giuseppe Nisi
Marjolin's ulcer is an aggressive disease arising in chronic wounds and cutaneous scars. Corbo et al define Marjolin's ulcer an often overlooked or misdiagnosed tumor. We report a case of Marjolin's ulcer arose in a burn scar of a 51-year-old man who sustained a burn in childhood. A punch biopsy showed squamous cell carcinoma. The lesion was surgically removed with wide excision. The loss of substance was covered with a partial-thickness skin graft, harvested from the left thigh with dermatome. Histological examination confirmed a well-differentiated squamous cell carcinoma...
January 18, 2018: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/29594354/detection-of-the-merkel-cell-polyomavirus-in-the-neuroendocrine-component-of-combined-merkel-cell-carcinoma
#19
Thibault Kervarrec, Mahtab Samimi, Pauline Gaboriaud, Tarik Gheit, Agnès Beby-Defaux, Roland Houben, David Schrama, Gaëlle Fromont, Massimo Tommasino, Yannick Le Corre, Eva Hainaut-Wierzbicka, Francois Aubin, Guido Bens, Hervé Maillard, Adeline Furudoï, Patrick Michenet, Antoine Touzé, Serge Guyétant
Merkel cell carcinoma (MCC) is an aggressive neuroendocrine carcinoma of the skin. The main etiological agent is Merkel cell polyomavirus (MCPyV), detected in 80% of cases. About 5% of cases, called combined MCC, feature an admixture of neuroendocrine and non-neuroendocrine tumor cells. Reports of the presence or absence of MCPyV in combined MCC are conflicting, most favoring the absence, which suggests that combined MCC might have independent etiological factors and pathogenesis. These discrepancies might occur with the use of different virus identification assays, with different sensitivities...
March 28, 2018: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29589641/cutaneous-squamous-cell-carcinoma-complicating-hidradenitis-suppurativa-a-review-of-the-prevalence-pathogenesis-and-treatment-of-this-dreaded-complication
#20
Stephanie Chapman, Daniel Delgadillo III, Cara Barber, Amor Khachemoune
Hidradenitis suppurativa (HS) is a chronic and debilitating skin disorder characterized by the formation of painful abscesses, draining sinus tracts, and scarring, predominantly in skin folds such as the axillae and the perineum. The exact prevalence of HS is unknown because the disease is often underreported, but it has been estimated to be as high as 4.1%. HS is three times more prevalent in women than in men. Various comorbidities have been associated with HS, including inflammatory bowel disease and squamous cell carcinoma (SCC)...
March 2018: Acta Dermatovenerologica Alpina, Panonica, et Adriatica
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