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https://www.readbyqxmd.com/read/28432481/the-pretreatment-neutrophil-to-lymphocyte-ratio-is-a-prognostic-determinant-of-t3-4-hypopharyngeal-squamous-cell-carcinoma
#1
Wu-Chia Lo, Chen-Tu Wu, Cheng-Ping Wang, Tsung-Lin Yang, Pei-Jen Lou, Jeng-Yuh Ko, Yih-Leong Chang
OBJECTIVE: This study aimed to investigate the clinicopathological factors that influence recurrence and survival in patients who undergo operations for T3-4 hypopharyngeal squamous cell carcinomas (SCCs). MATERIALS AND METHODS: One hundred and five patients who underwent surgery between 2001 and 2008 for advanced hypopharyngeal SCCs were consecutively enrolled and reviewed. RESULTS: The pretreatment neutrophil-to-lymphocyte ratio (NLR; median 3...
April 21, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28431589/t2-relaxometry-helps-prognosticate-seizure-outcome-in-patients-with-solitary-cerebral-cysticercosis
#2
Aaron de Souza, Atchayaram Nalini, Jitender Saini, Kandavel Thennarasu
OBJECTIVE: Correlate serial T2 relaxometry (T2R) values with long term seizure outcome in patients with solitary cerebral cysticercosis (SCC) in order to establish its usefulness as a prognostic marker in these patients. METHODS: Patients with new-onset seizures due to SCC were imaged serially using a pre-determined MRI protocol at enrolment and after 3, 6, 12 and 24months. T2 relaxometry was performed using a dual echo sequence with maps generated manually from the measured image intensities at the level of the lesion...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28430347/hypopharyngeal-squamous-cell-carcinoma-and-laryngeal-neuroendocrine-carcinoma-colliding-in-the-aryepiglottic-fold-a-case-report
#3
Roberta Marangoni, Simone Mauramati, Giulia Bertino, Antonio Occhini, Marco Benazzo, Patrizia Morbini
PURPOSE: A collision tumor consists of 2 different histologically distinct and topographically independent tumors merging in the same mass. In the head and neck region they are rare, with only 4 cases reported in the larynx. CASE REPORT: A 60-year-old heavy smoker complained of a left submandibular lesion in October 2014. The lesion was excised and showed a poorly differentiated carcinoma, suggestive for adenocarcinoma. After a positron emission tomography-computed tomography scan showed increased metabolic activity in the left laterocervical region and right vocal cord, the patient underwent endoscopic biopsy of the lesion of the left piriform sinus, which was positive for moderately differentiated squamous cell carcinoma (SCC)...
April 14, 2017: Tumori
https://www.readbyqxmd.com/read/28428908/metastatic-squamous-cell-carcinoma-of-colon-from-esophageal-cancer
#4
Natasha Garg, Constance Stoehr, Yan Shi Zhao, Heather Rojas, Chung-Tsen Hsueh
BACKGROUND: Esophageal cancer including squamous cell carcinoma (SCC) and adenocarcinoma represents 4% of all cancers in the United States. Patients with esophageal cancer frequently present with locally advanced disease, and about 40% of patients have evidence of metastatic disease on presentation. Common sites of metastasis include liver, lung and bone. Here, we present a rare case of colonic metastasis from primary esophageal SCC. CASE PRESENTATION: A 60-year-old Caucasian male with a history of 20-pack-year cigarette smoking received surgery and adjuvant chemoradiotherapy for locally advanced SCC of larynx...
2017: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/28428529/-solitary-peripheral-pulmonary-squamous-cell-papilloma-diagnostic-significance-of-18f-fluorodeoxyglucose-positron-emission-tomography-findings
#5
Tetsuya Hayashi, Syuichi Tachibana, Keiichi Nakao, Kosuke Tokitsu, Takuya Morita, Genichi Kishima
The patient was a 79-year-old woman who had received enucleation of right pulmonary papilloma 7 years earlier. She experienced bloody sputum and was therefore referred to our hospital. Chest computed tomography revealed a mass shadow(21 mm) in the right upper lobe (S2). By bronchoscopy, there was no bulging lesion in the visible range. SCC and CEA increased to 6.4 ng/ml and 6.42 ng/ml, respectively. Whole-body 18F-fluorodeoxyglucose positron emission tomography (FDG-PET) showed increased FDG uptake in the region of the right-lung mass shadow (maximum standardized uptake value 12...
April 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28427501/the-cancer-stem-cell-phenotype-as-a-determinant-factor-of-the-heterotypic-nature-of-breast-tumors
#6
REVIEW
Nuno A Fonseca, Ana Filipa Cruz, Vera Moura, Sérgio Simões, João Nuno Moreira
Gathering evidence supports the existence of a population of cells with stem-like characteristics, named cancer stem cells (CSC), which is involved not only in tumor recurrence but also in tumorigenicity, metastization and drug resistance. Several markers have been used to identify putative CSC sub-populations in different cancers. Notwithstanding, it has been acknowledged that breast CSC may originate from non-stem cancer cells (non-SCC), interconverting through an epithelial-to-mesenchymal transition-mediated process, and presenting several deregulated canonical and developmental signaling pathways...
May 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28427433/prevalence-of-subclinical-mastitis-in-finnish-dairy-cows-changes-during-recent-decades-and-impact-of-cow-and-herd-factors
#7
Heidi Hiitiö, Johanna Vakkamäki, Heli Simojoki, Tiina Autio, Jouni Junnila, Sinikka Pelkonen, Satu Pyörälä
BACKGROUND: The dairy industry has undergone substantial structural changes as intensive farming has developed during recent decades. Mastitis continues to be the most common production disease of dairy cows. Nationwide surveys of mastitis prevalence are useful in monitoring udder health of dairy herds and to study the impact of structural changes on the dairy industry. This survey on bovine subclinical mastitis was the first based on cow composite milk somatic cell count (SCC) data from the Finnish national health monitoring and milk recording database...
April 20, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/28425625/a-missense-mutation-in-damage-specific-dna-binding-protein-2-is-a-genetic-risk-factor-for-limbal-squamous-cell-carcinoma-in-horses
#8
Rebecca R Bellone, Jiayin Liu, Jessica L Petersen, Maura Mack, Moriel Singer-Berk, Cord Drögemüller, Julia Malvick, Barbara Wallner, Gottfried Brem, M Cecilia Penedo, Mary Lassaline
Squamous cell carcinoma (SCC) is the most common cancer of the equine eye, frequently originating at the limbus, with the potential to invade the cornea, cause visual impairment, and result in loss of the eye. Several breeds of horses have a high occurrence of limbal SCC implicating a genetic basis for limbal SCC predisposition. Pedigree analysis in the Haflinger breed supports a simple recessive mode of inheritance and a genome wide association study (N=23) identified a 1.5 Mb locus on ECA12 significantly associated with limbal SCC (Pcorrected = 0...
April 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28425477/microrna-27a-3p-modulates-the-wnt-%C3%AE-catenin-signaling-pathway-to-promote-epithelial-mesenchymal-transition-in-oral-squamous-carcinoma-stem-cells-by-targeting-sfrp1
#9
Bin Qiao, Bao-Xia He, Jing-Hua Cai, Qian Tao, Alfred King-Yin Lam
This study aimed to elucidate how microRNA27a-3p (miR-27a-3p) modulates the Wnt/β-catenin signaling pathway to promote the epithelial-mesenchymal transition (EMT) in oral squamous carcinoma stem cells (OSCSCs) by targeting secreted frizzled-related protein 1 (SFRP1). Flow cytometry was used to sort OSCSCs from the SCC-9 and Tca8113 cell lines. The OSCSCs were randomly assigned into the miR-27a-3p inhibitors group, the miR-27a-3p inhibitors-NC group, the si-SFRP1 group, the si-SFRP1 + miR-27a-3p inhibitors group and the blank group...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28423662/comparative-analysis-of-hpv16-gene-expression-profiles-in-cervical-and-in-oropharyngeal-squamous-cell-carcinoma
#10
Andrea Cerasuolo, Clorinda Annunziata, Marianna Tortora, Noemy Starita, Giovanni Stellato, Stefano Greggi, Maria Grazia Maglione, Franco Ionna, Simona Losito, Gerardo Botti, Luigi Buonaguro, Franco M Buonaguro, Maria Lina Tornesello
Human papillomavirus type 16 (HPV16) is the major cause of cervical cancer and of a fraction of oropharyngeal carcinoma. Few studies compared the viral expression profiles in the two types of tumor. We analyzed HPV genotypes and viral load as well as early (E2/E4, E5, E6, E6*I, E6*II, E7) and late (L1 and L2) gene expression of HPV16 in cervical and oropharyngeal cancer biopsies. The study included 28 cervical squamous cell carcinoma (SCC) and ten oropharyngeal SCC, along with pair-matched non-tumor tissues, as well as four oropharynx dysplastic tissues and 112 cervical intraepithelial neoplasia biopsies...
March 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423594/the-hypoxia-activated-prodrug-evofosfamide-in-combination-with-multiple-regimens-of-radiotherapy
#11
Katarzyna J Nytko, Ivo Grgic, Sabine Bender, Janosch Ott, Matthias Guckenberger, Oliver Riesterer, Martin Pruschy
The promising treatment combination of ionizing radiation (IR) with a hypoxia-activated prodrug (HAP) is based on biological cooperation. Here we investigated the hypoxia-activated prodrug evofosfamide in combination with different treatment regimens of IR against lung A549- and head&neck UT-SCC-14-derived tumor xenografts. DNA damage-related endpoints and clonogenic cell survival of A549 and UT-SCC-14 carcinoma cells were probed under normoxia and hypoxia.Evofosfamide (TH-302) induced DNA-damage and a dose-dependent antiproliferative response in A549 cells on cellular pretreatment under hypoxia, and supra-additively reduced clonogenic survival in combination with IR...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423494/control-of-long-distance-cell-to-cell-communication-and-autophagosome-transfer-in-squamous-cell-carcinoma-via-tunneling-nanotubes
#12
Inés Sáenz-de-Santa-María, Cristóbal Bernardo-Castiñeira, Eduardo Enciso, Inmaculada García-Moreno, Jose Luis Chiara, Carlos Suarez, María-Dolores Chiara
Tunneling nanotubes (TnTs) are thin channels that temporally connect nearby cells allowing the cell-to-cell trafficking of biomolecules and organelles. The presence or absence of TnTs in human neoplasms and the mechanisms of TnT assembly remains largely unexplored. In this study, we have identified TnTs in tumor cells derived from squamous cell carcinomas (SCC) cultured under bi-dimensional and tri-dimensional conditions and also in human SCC tissues. Our study demonstrates that TnTs are not specific of epithelial or mesenchymal phenotypes and allow the trafficking of endosomal/lysosomal vesicles, mitochondria, and autophagosomes between both types of cells...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423034/elevated-frequencies-of-cd8-t-cells-expressing-pd-1-ctla-4-and-tim-3-within-tumour-from-perineural-squamous-cell-carcinoma-patients
#13
Richard Linedale, Campbell Schmidt, Brigid T King, Annabelle G Ganko, Fiona Simpson, Benedict J Panizza, Graham R Leggatt
Perineural spread of tumour cells along cranial nerves is a severe complication of primary cutaneous squamous cell carcinomas of the head and neck region. While surgical excision of the tumour is the treatment of choice, removal of all the tumour is often complicated by the neural location and recurrence is frequent. Non-invasive immune treatments such as checkpoint inhibitor blockade may be useful in this set of tumours although little is understood about the immune response to perineural spread of squamous cell carcinomas...
2017: PloS One
https://www.readbyqxmd.com/read/28418897/treatment-for-retropharyngeal-metastatic-undifferentiated-squamous-cell-carcinoma-from-an-unknown-primary-site-results-of-a-prospective-study-with-irradiation-to-nasopharyngeal-mucosa-plus-bilateral-neck
#14
Chengrun Du, Hongmei Ying, Youwang Zhang, Yafang Huang, Ruiping Zhai, Chaosu Hu
Background and Objetive: To evaluate treatment outcomes for patients with retropharyngeal metastatic undifferentiated squamous cell carcinoma (SCC) from an unknown primary site. METHODS: From January 2005 to January 2015, patients who presented with enlarged retropharyngeal nodes underwent transoral sonography-guided fine-needle aspiration to confirm histology. Those with metastatic undifferentiated SCC with unknown primary tumors were treated with radical radiotherapy to nasopharyngeal mucosa plus bilateral neck...
March 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28418447/association-of-oral-cavity-and-oropharyngeal-cancer-biomarkers-in-surgical-drain-fluid-with-patient-outcomes
#15
Amy Anne D Lassig, Anne M Joseph, Bruce R Lindgren, Bevan Yueh
Importance: Survival rates for head and neck cancer have been relatively stable for several decades. Individualized prognostic indicators are needed to identify patients at risk for poorer outcomes. Objective: To determine whether biomarker levels in surgical drain fluid of patients with head and neck cancer are associated with poor cancer outcomes. Design, Setting, and Participants: This prospective cohort study enrolled patients with squamous cell carcinoma (SCC) of the oral cavity and oropharynx who required surgical treatment from April 1, 2011, to February 1, 2016, at a tertiary or academic care center...
April 13, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28416958/keratinization-of-lung-squamous-cell-carcinoma-is-associated-with-poor-clinical-outcome
#16
Hye Jung Park, Yoon-Jin Cha, Seong Han Kim, Arum Kim, Eun Young Kim, Yoon Soo Chang
BACKGROUND: Although the World Health Organization (WHO) classification of lung squamous cell carcinoma (SCC) was revised in 2015, its clinical implications for lung SCC subsets remain unclear. We investigated whether the morphologic characteristics of lung SCC, including keratinization, were associated with clinical parameters and clinical outcome of patients. METHODS: A total of 81 patients who underwent curative surgical resection of diagnosed lung SCC, were enrolled in this study...
April 2017: Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28415044/long-non-coding-rna-snhg1-regulates-zinc-finger-e-box-binding-homeobox-1-expression-by-interacting-with-tap63-and-promotes-cell-metastasis-and-invasion-in-lung-squamous-cell-carcinoma
#17
Hong-Yan Zhang, Wei Yang, Fu-Shuang Zheng, Yi-Bei Wang, Ji-Bin Lu
The long non-coding RNAs (lncRNAs) have been recently shown to participate in the progression of a variety of cancers. However, the biological role of lncRNAs and the underlying mechanisms in Lung squamous cell carcinoma (SCC) or lung adenocarcinoma (AD) remain unclear. Herein, we investigated expression of 5 lncRNAS (SNHG1, NCBP2-AS2, LINC01206, SOX2-OT and LINC01419) in SCC and AD tissues. SNHG1 was one of over-expressed lncRNAs in SCC tissues. Knockdown of SNHG1 significantly inhibited the proliferation, metastasis, invasive ability and induced apoptosis of SCC cells...
April 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28414587/non-melanoma-skin-cancer-new-and-future-synthetic-drug-treatments
#18
Teresa Amaral, Claus Garbe
Non-melanoma skin cancers (NMSC) mainly comprise two different entities: basal cell carcinoma (BCC) and squamous cell carcinoma (SCC); beneath these two entities, Merkel cell carcinoma, adnexal tumors, dermatofibrosarcoma protuberans, angiosarcoma, and cutaneous lymphoma belong to NMSC. These rare skin tumors are not the topic of this review. BCC and SCC are the most common cancers diagnosed in humans. The preferred treatment is surgery, which in most cases is curative. Although a high recurrence rate is seen, these cancers rarely metastasize...
April 17, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28414022/cigarette-smoking-and-the-risks-of-basal-cell-carcinoma-and-squamous-cell-carcinoma
#19
J C Dusingize, C M Olsen, N P Pandeya, P Subramaniam, B S Thompson, R E Neale, A C Green, D C Whiteman
Sunlight is the principal environmental risk factor for keratinocyte cancers, but other carcinogens have also been implicated, including tobacco smoke. Findings have been conflicting however. We investigated associations between cigarette smoking and incidence of BCC or SCC in QSkin, a prospective study of skin cancer (n=43,794). Smoking history was self-reported at baseline; newly diagnosed BCCs and SCCs were ascertained through data linkage and verified by histopathology reports. We restricted analyses to white participants who at baseline reported no past history of skin cancer excisions and no more than 5 destructively-treated actinic skin lesions...
April 13, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28413676/expression-patterns-of-cd168-correlate-with-the-stage-and-grade-of-squamous-cell-carcinoma-of-head-and-neck
#20
Korinna Jöhrens, Ioannis Anagnostopoulos, Steffen Dommerich, Jan Dirk Raguse, Agnieszka J Szczepek, Frederick Klauschen, Katharina Stölzel
The receptor for hyaluronan-mediated motility CD168 is associated with the processes of oncogenesis and metastasis. The objective of the present study was to determine the possible association between the expression and distribution of CD168 and the tumor stage of head-and-neck squamous cell carcinoma (SCC). Formalin-fixed and paraffin-embedded tumor samples obtained from 100 patients during primary resection of SCC from the oral cavity, oropharynx, hypopharynx or larynx were included in the present study. The patients were divided into two risk groups: Low risk, representing the early stage of completely resected SCCs with good-to-moderate differentiation, and the high-risk group, representing the advanced stage SCCs with positive resection margins, vascular invasion or locoregional metastasis...
April 2017: Molecular and Clinical Oncology
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