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Squamous cell carcinoma

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https://www.readbyqxmd.com/read/27920683/squamous-cell-carcinoma-in-african-children-with-xeroderma-pigmentosum-three-case-reports
#1
Mamadou Kaloga, Pauline Dioussé, Boubacar Ahy Diatta, Mariama Bammo, Sarah Kourouma, Almamy Diabate, Ndiaga Gueye, Haby Dione, Moussa Diallo, Bernard Marcel Diop
INTRODUCTION: Xeroderma pigmentosum is a rare autosomal recessive genetic disease. This disease predisposes patients to early-onset skin cancers, particularly squamous cell carcinoma. Here, we report 3 pediatric cases, including 2 deaths. OBSERVATION: The subjects included 2 boys and 1 girl with skin type VI. All subjects were from consanguineous marriages, and the average age was 7.6 years. The patients all had ulcerative budding tumor lesions in the cephalic region, and the mean disease duration was 18 months...
September 2016: Case Reports in Dermatology
https://www.readbyqxmd.com/read/27920677/subungual-squamous-cell-carcinoma-the-diagnostic-challenge-and-clinical-pearls
#2
Wai Leong Kok, Joyce Siong See Lee, Martin Tze-Wei Chio
Subungual squamous cell carcinoma is a rare entity and difficult to diagnose as its clinical presentation may resemble benign conditions. This case report highlights the need to maintain a high clinical index of suspicion, and recommends a practical approach for subungual conditions. Dermoscopy and a biopsy for histology are important adjuncts to clinch the diagnosis.
September 2016: Case Reports in Dermatology
https://www.readbyqxmd.com/read/27920556/the-prognostic-value-of-systemic-and-local-inflammation-in-patients-with-laryngeal-squamous-cell-carcinoma
#3
Jie Wang, Shengzi Wang, Xinmao Song, Wenjiao Zeng, Shuyi Wang, Fu Chen, Hao Ding
BACKGROUND: Cancer-related systemic inflammation has been demonstrated to be associated with poor outcome in multiple types of cancers. Meanwhile, the local inflammation, which is characterized by dense intratumoral immune infiltrate, is a favorable predictor of survival outcome. PURPOSE: To evaluate the role of systemic and local inflammation in predicting outcome in patients with laryngeal squamous cell carcinoma. PATIENTS AND METHODS: In this retrospective study, 120 patients who had undergone postoperative radiotherapy were enrolled...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27920002/decreased-skeletal-muscle-mass-after-neoadjuvant-therapy-correlates-with-poor-prognosis-in-patients-with-esophageal-cancer
#4
Jiajia Liu, Satoru Motoyama, Yusuke Sato, Akiyuki Wakita, Yuta Kawakita, Hajime Saito, Yoshihiro Minamiya
BACKGROUND: Loss of skeletal muscle is predictive of a poor prognosis in patients with various malignant lesions. Our aim was to determine whether changes in skeletal muscle after neo-adjuvant therapy (NAT) predict prognosis in patients with esophageal squamous cell carcinoma (ESCC) undergoing esophagectomy. PATIENTS AND METHODS: The cross-sectional areas of the psoas muscles were measured on computed tomographic images collected at the initial visit, preoperatively and postoperatively in 84 patients...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27920000/impact-of-induction-chemotherapy-in-locally-advanced-hpv-negative-oropharyngeal-cancer-a-propensity-score-matched-analysis
#5
Francesca DE Felice, Gessica Abate, Alessandro Galdieri, Nadia Bulzonetti, Daniela Musio, Vincenzo Tombolini
AIM: To estimate the clinical outcomes of induction chemotherapy (IC) followed by standard chemoradiotherapy (CRT) and CRT alone in patients with locally advanced human papilloma virus (HPV)-negative oropharyngeal squamous cell carcinoma. PATIENTS AND METHODS: Consecutive patients with histologically-proven HPV-negative squamous cell carcinoma of the oropharynx were included and treated with IC-CRT or CRT alone. In order to compare treatment outcomes and toxicity between groups, patients were matched by primary tumor site and clinical disease stage...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919993/laryngo-esophageal-dysfunction-free-survival-in-a-preservation-protocol-for-t3-laryngeal-squamous-cell-carcinoma
#6
Philippe Gorphe, Margarida Matias, Caroline Even, Charles Ferte, François Bidault, Gabriel Garcia, Stéphane Temam, France Nguyen, Pierre Blanchard, Yungan Tao, François Janot
BACKGROUND: We reviewed the outcomes of patients with T3 laryngeal neoplasms with a fixed hemilarynx, a large gross tumor volume or a subglottic extension (SGE), treated with a laryngeal-preservation protocol with induction chemotherapy. PATIENTS AND METHODS: The study end-points were laryngo-esophageal dysfunction-free survival (LEDFS), laryngectomy-free survival (LFS), overall survival (OS), and disease-free survival (DFS). RESULTS: A total of 104 patients were included...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919968/overexpression-of-pbk-topk-contributes-to-tumor-development-and-poor-outcome-of-esophageal-squamous-cell-carcinoma
#7
Takuma Ohashi, Shuhei Komatsu, Daisuke Ichikawa, Mahito Miyamae, Wataru Okajima, Taisuke Imamura, Jun Kiuchi, Keiji Nishibeppu, Toshiyuki Kosuga, Hirotaka Konishi, Atsushi Shiozaki, Hitoshi Fujiwara, Kazuma Okamoto, Hitoshi Tsuda, Eigo Otsuji
BACKGROUND: PDZ-binding kinase/T-cell-originated protein kinase (PBK/TOPK) is a serine-threonine kinase and overexpressed in various types of cancer. PBK/TOPK is associated with tumor cell development and progression through suppression of p53 function. In this study, we tested whether PBK acts as a cancer-promoting factor by being overexpressed in esophageal squamous cell carcinoma (ESCC). MATERIALS AND METHODS: We analyzed PBK/TOPK expression in 15 ESCC cell lines, and 54 primary ESCC tumors that were curatively resected between 1994 and 2007...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919954/tachykinin-receptor-3-distribution-in-human-oral-squamous-cell-carcinoma
#8
Kyoichi Obata, Tsuyoshi Shimo, Tatsuo Okui, Kenichi Matsumoto, Hiroyuki Takada, Kiyofumi Takabatake, Yuki Kunisada, Soichiro Ibaragi, Hitoshi Nagatsuka, Akira Sasaki
BACKGROUND: Tachykinin 3 (TAC3) and its preferred tachykinin receptor 3 (TACR3) that are prominently detected in the central nervous system, play significant roles in physiological development and specifically in the human reproductive system. The roles of TAC3/TACR3 in oral squamous cell carcinoma are unknown. MATERIALS AND METHODS: We examined the expression pattern of TAC3/TACR3 in clinically-resected oral squamous cell carcinoma samples using immunohistochemistry and immunofluorescence analysis...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919952/molecular-factors-associated-with-pemetrexed-sensitivity-according-to-histological-type-in-non-small-cell-lung-cancer
#9
Tsukihisa Yoshida, Tatsuro Okamoto, Tokujiro Yano, Kazuki Takada, Mikihiro Kohno, Kenichi Suda, Mitsuhiro Takenoyama, Yoshinao Oda, Yoshihiko Maehara
BACKGROUND: This study was designed to investigate potential molecules that predict chemosensitivity to pemetrexed (Alimta®) in surgically resected non-small cell lung cancer (NSCLC). MATERIALS AND METHODS: Chemosensitivity to ALM and other drugs was assessed by succinate dehydrogenase inhibition (SDI) test in 69 NSCLC samples (55 adenocarcinomas, and 14 squamous cell carcinomas). The mRNA expression levels of Alimta®-target enzymes [thymidylate synthase (TYMS); dihydrofolate reductase (DHFR) and glycinamide ribonucleotide formyltransferase (GARFT)], Alimta®-metabolizing enzymes [γ-glutamyl hydrase (GGH) and folylpolyglutamate synthase] and an Alimta® transporter [reduce folate carrier (RFC)] were measured and examined for potential correlations to chemosensitivity...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919944/multicellular-spheroids-as-a-model-for-hypoxia-induced-emt
#10
Casey Lee, Amanda Siu, Daniel M Ramos
Oral cancer is aggressive and invasive. The 5-year survival rate is around 50% and has not improved in over 50 years. One-third of oral cancer patients develop local and/or regional tumor recurrence following treatment. We continue to use our multicellular spheroid (MCS) model to better understand how the extracellular matrix contributes to epithelial to mesenchymal transition and how hypoxia contributes to the progression of oral squamous cell carcinoma (SCC).
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919941/ectopic-myoglobin-expression-is-associated-with-a-favourable-outcome-in-head-and-neck-squamous-cell-carcinoma-patients
#11
Sebastian Meller, Anne VAN Ellen, Heidrun Gevensleben, Anne Bicker, Thomas Hankeln, Thomas A Gorr, Verena Sailer, Freya Dröge, Friederike Schröck, Friedrich Bootz, Andreas Schröck, Sven Perner, Dimo Dietrich, Glen Kristiansen
BACKGROUND/AIM: Ectopic myoglobin (MB) expression, mediated by alternative and hypoxia-inducible transcription, has recently been demonstrated in several epithelial tumours. This study aimed to examine the expression of MB in hormone-independent head and neck squamous cell carcinomas (HNSCCs). PATIENTS AND METHODS: Using imunohistochemistry, ectopic MB expression was analyzed on tissue microarrays (TMAs) of 524 patients with localized and locally advanced primary and recurrent HNSCC who had undergone surgical treatment with curative intent...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919746/fhod1-formin-is-upregulated-in-melanomas-and-modifies-proliferation-and-tumor-growth
#12
Minna Peippo, Maria Gardberg, Tarja Lamminen, Katja Kaipio, Olli Carpén, Vanina D Heuser
The functional properties of actin-regulating formin proteins are diverse and in many cases cell-type specific. FHOD1, a formin expressed predominantly in cells of mesenchymal lineage, bundles actin filaments and participates in maintenance of cell shape, migration and cellular protrusions. FHOD1 participates in cancer-associated epithelial to mesenchymal transition (EMT) in oral squamous cell carcinoma and breast cancer. The role of FHOD1 in melanomas has not been characterized. Here, we show that FHOD1 expression is typically strong in cutaneous melanomas and cultured melanoma cells while the expression is low or absent in benign nevi...
December 2, 2016: Experimental Cell Research
https://www.readbyqxmd.com/read/27919662/squamous-cell-carcinoma-of-the-anterior-tongue-is-tumour-thickness-an-indicator-for-cervical-metastasis
#13
P Loganathan, A Sayan, D W K Hsu, S Paraneetharan, V Ilankovan
The incidence of squamous cell carcinoma (SCC) of the tongue accounts for 90% of all malignancies affecting the oral cavity and oropharynx. The distribution between the anterior and posterior tongue is equal. Nodal metastasis is dependent on various factors including tumour thickness, site, size, differentiation, and perineural and perivascular invasion. There is increasing evidence of a close correlation between tumour thickness and metastasis. A retrospective study covering the 16-year period from 2000 to 2016 was performed...
December 2, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27919613/cellular-uptake-of-glucoheptoamidated-poly-amidoamine-pamam-g3-dendrimer-with-amide-conjugated-biotin-a-potential-carrier-of-anticancer-drugs
#14
Łukasz Uram, Magdalena Szuster, Aleksandra Filipowicz, Magdalena Zaręba, Elżbieta Wałajtys-Rode, Stanisław Wołowiec
In search for soluble derivatives of PAMAM dendrimers as potential carriers for hydrophobic drugs, the conjugates of PAMAM G3 with biotin, further converted into glycodendrimer with d-glucoheptono-1,4-lactone, were prepared. Polyamidoamine dendrimer (PAMAM) of third generation, G3 was functionalized with four biotin equivalents covalently attached to terminal amine nitrogens via amide bond G3(4B). The remaining 28 amine groups were blocked by glucoheptoamide substituents (gh) to give G3(4B28gh) or with one fluorescein equivalent (attached by reaction of G3(4B) with fluorescein isothiocyanate, FITC) via thiourea bond as FITC followed by exhaustive glucoheptoamidation to get G3(4B27gh1F)...
November 25, 2016: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/27919278/microrna-19b-3p-regulates-nasopharyngeal-carcinoma-radiosensitivity-by-targeting-tnfaip3-nf-%C3%AE%C2%BAb-axis
#15
Teng Huang, Li Yin, Jing Wu, Jia-Jia Gu, Jian-Zhong Wu, Dan Chen, Hong-Liang Yu, Kai Ding, Nan Zhang, Ming-Yu Du, Lu-Xi Qian, Zhi-Wei Lu, Xia He
BACKGROUND: Nasopharyngeal carcinoma (NPC) is among the most common squamous cell carcinoma in South China and Southeast Asia. Radiotherapy is the primary treatment for NPC. However, radioresistance acts as a significant factor that limits the efficacy of radiotherapy for NPC patients. Growing evidence supports that microRNAs (miRNAs) play an important role in radiation response. METHODS: Real-time quantitative PCR was used to analyze the expression of miR-19b-3p in NPC cell lines and NP69...
December 5, 2016: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/27919252/neoplastic-diseases-in-the-domestic-ferret-mustela-putorius-furo-in-italy-classification-and-tissue-distribution-of-856-cases-2000-2010
#16
Giancarlo Avallone, Annalisa Forlani, Marco Tecilla, Elena Riccardi, Sara Belluco, Sara Francesca Santagostino, Guido Grilli, Kiumars Khadivi, Paola Roccabianca
BACKGROUND: The aim of this study was to describe the prevalence and tissue distribution of neoplasms in Italian ferrets, compared to the epidemiological data previously reported in USA and Japan. METHODS: Signalment and diagnoses of pathological submissions received between 2000 and 2010 were searched; cases with the diagnosis of neoplasm were selected and original sections reviewed to confirm the diagnosis. RESULTS: Nine-hundred and ten samples were retrieved, 690 of which included at least one tumour for a total of 856 tumours...
December 5, 2016: BMC Veterinary Research
https://www.readbyqxmd.com/read/27919132/-a-case-of-penile-squamous-cell-carcinoma-sarcomatoid-subtype
#17
Tomoki Yamamoto, Takuya Owari, Yuta Toyoshima, Tomonori Nakahama, Satoshi Takada, Yoshihiro Matsumoto, Ikuko Torii, Hitoshi Momose
A 70-year-old man was referred to our department for further examination and treatment of a painless penile mass of about 2cm. The patient first noticed the mass onlya few weeks before presentation. Diagnostic biopsy was interpreted as leiomyosarcoma. Through systemic examinations the clinical stage of his disease was diagnosed as cT2N0M0 and we performed total penectomy. Histopathological examination for the totallyresected tissue disclosed the concomitant presence of regions compatible to squamous cell carcinoma and the results of immunohistochemistrywere compatible with the diagnosis of squamous cell carcinoma, sarcomatoid subtype of the penis...
October 2016: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/27918781/the-role-of-adjuvant-chemotherapy-in-surgically-managed-p16-positive-oropharyngeal-squamous-cell-carcinoma
#18
S Andrew Skillington, Dorina Kallogjeri, James S Lewis, Jay F Piccirillo
Importance: Human papillomavirus (HPV)-related oropharyngeal squamous cell carcinoma (OPSCC) has a favorable prognosis, and p16 immunohistochemistry is a surrogate marker of high-risk HPV infection and strong prognosticator. Given this favorable prognosis, treatment de-escalation for p16-positive OPSCC is now being considered with the goal of decreasing treatment-associated morbidity without compromising tumor control. The role of adjuvant chemotherapy in this setting is becoming increasingly unclear...
December 1, 2016: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/27918691/podoplanin-expression-in-canine-melanoma
#19
Satoshi Ogasawara, Ryusuke Honma, Mika K Kaneko, Yuki Fujii, Yumiko Kagawa, Satoru Konnai, Yukinari Kato
A type I transmembrane protein, podoplanin (PDPN), is expressed in several normal cells such as lymphatic endothelial cells or pulmonary type I alveolar cells. We recently demonstrated that anticanine PDPN monoclonal antibody (mAb), PMab-38, recognizes canine PDPN of squamous cell carcinomas, but does not react with lymphatic endothelial cells. Herein, we investigated whether PMab-38 reacts with canine melanoma. PMab-38 reacted with 90% of melanoma cells (9/10 cases) using immunohistochemistry. Of interest, PMab-38 stained the lymphatic endothelial cells and cancer-associated fibroblasts in melanoma tissues, although it did not stain any lymphatic endothelial cells in normal tissues...
December 5, 2016: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/27918595/impact-of-sonic-hedgehog-pathway-expression-on-outcome-in-hpv-negative-head-and-neck-carcinoma-patients-after-surgery-and-adjuvant-radiotherapy
#20
Elisabeth Enzenhofer, Thomas Parzefall, Georg Haymerle, Sven Schneider, Lorenz Kadletz, Gregor Heiduschka, Johannes Pammer, Felicitas Oberndorfer, Fritz Wrba, Benjamin Loader, Matthäus Christoph Grasl, Christos Perisanidis, Boban M Erovic
INTRODUCTION: HPV positive patients suffering from head and neck cancer benefit from intensified radiotherapy when applied as a primary as well as an adjuvant treatment strategy. However, HPV negative patients treated with surgery and adjuvant radiotherapy lack validated prognostic biomarkers. It is therefore important to define prognostic biomarkers in this particular patient population. Especially, ´high-risk groups´ need to be defined in order to adapt treatment protocols. Since dysregulation of the sonic hedgehog pathway plays an important role in carcinogenesis, we aimed to assess whether members of the sonic hedgehog-signaling pathway may act as prognostic factors in patients with HPV negative head and neck squamous cell carcinoma...
2016: PloS One
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