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In Vivo

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https://www.readbyqxmd.com/read/29275321/comparison-of-thoracic-radiotherapy-efficacy-between-patients-with-and-without-egfr-mutated-lung-adenocarcinoma
#1
Ming-Hsien Li, Jo-Ting Tsai, Lai-Lei Ting, Jang-Chun Lin, Yu-Chang Liu
To investigate the association between tumor response to thoracic radiotherapy and epidermal growth factor receptor (EGFR) mutation status in patients with lung adenocarcinoma, we collected 48 patients treated between January 2010 and December 2013. Of the 18 patients with EGFR mutation, 15 (83.3%) had a single mutation, and three (16.7%) had double mutation. Different EGFR mutation subtypes exhibited different responses to radiotherapy. The identified double EGFR mutations were associated with reduction of residual tumor burden (RTB) after radiotherapy...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275320/influence-of-obesity-on-the-course-of-malignant-neoplastic-disease-in-patients-after-pulmonary-metastasectomy
#2
Adam Rzechonek, Piotr Błasiak, Grzegorz Pniewski, Piotr Cierpikowski, Monika Mościbrodzka, Maciej Ornat, Jędrzej Grzegrzółka, Anna Brzecka
BACKGROUND/AIM: The aim of the study was to determine whether increased body mass index (BMI) in patients operated on for lung metastases influences the course of the disease. MATERIALS AND METHODS: The retrospective data of 97 patients previously operated on for different malignancies were analyzed. There were 40 obese patients (BMI >30 kg/m2, mean 33.9±4.5) and 57 non-obese patients (BMI 25.8±2.7 kg/m2, p<0.001). Disease-free interval (DFI), the overall survival (OS) and survival after pulmonary metastasectomy were analyzed...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275319/rare-coexistance-of-ileal-diverticulosis-crohn-s-disease-and-small-bowel-adenocarcinoma-report-of-a-case
#3
Eleftherios Spartalis, Nikolaos Garmpis, Michael Spartalis, Christos Damaskos, Demetrios Moris, Antonios Athanasiou, Paraskevas Gkolfakis, Penelope Korkolopoulou, Dimitrios Dimitroulis, Dimitrios Mantas
BACKGROUND/AIM: Adenocarcinoma is one of the most common malignant tumors of the small intestine complicating Crohn's disease. However, the coexistence of both conditions with diverticulosis of small bowel in young age makes this coincidence rare and clinical diagnosis very difficult. CASE REPORT: We report a case of a woman admitted to our Department with acute abdominal pain and fever. The surgical and histological investigation, revealed a rare coexistence that has never been mentioned in the published medical literature...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275318/hypoxia-inducible-factor-expression-and-angiogenesis-analysis-in-the-pituitary-gland-and-patterns-of-death
#4
Maria Kouroupi, Efthimios Sivridis, Dimitrios Papazoglou, Michael I Koukourakis, Alexandra Giatromanolaki
BACKGROUND/AIM: We investigated the expression of angiogenesis and hypoxia markers in the adenohypophysis and neurohypophysis of patients who died from various acute or chronic diseases. MATERIALS AND METHODS: Paraffin-embedded material of pituitary glands (97 patients) was investigated immunohistochemically for vascular density (CD31) and the expression of vascular endothelial growth factor (VEGF) and of hypoxia inducible factors HIF1α and HIF2α. RESULTS: Vascular density, and HIF1α/HIF2α reactivity is directly related with VEGF expression in the pituitary gland, suggesting that the HIF pathway may regulate the vascular density and blood flow in the gland under hypoxic conditions...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275317/totally-implantable-central-venous-port-catheters-radiation-exposure-as-a-function-of-puncture-site-and-operator-experience
#5
Martin Jonczyk, Bernhard Gebauer, Roman Rotzinger, Dirk Schnapauff, Bernd Hamm, Federico Collettini
BACKGROUND: Totally implantable central venous port systems provide a safe and effective, long-term means of access for administration of hyperosmolar, local irritant medication, such as chemotherapy, antibiotics and parenteral nutrition. AIM: To evaluate the combination of access site and level of experience on fluoroscopy times (FT) and dose area products (DAP) during implantation of port catheters in a large patient population. MATERIALS AND METHODS: A total of 1,870 patients (992 women, 878 men; age: 61±13...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275316/the-positive-relationship-between-%C3%AE-h2ax-and-pd-l1-expression-in-lung-squamous-cell-carcinoma
#6
Atsushi Osoegawa, Hitomi Hiraishi, Takafumi Hashimoto, Yohei Takumi, Miyuki Abe, Hideya Takeuchi, Michiyo Miyawaki, Tatsuro Okamoto, Kenji Sugio
BACKGROUND/AIM: Lung squamous cell carcinoma often arises from precancerous lesions where alterations in tumor suppressor genes and subsequent chromosomal instability are often observed due to carcinogen exposure. These tumors are often immunogenic; as such, immune checkpoint inhibitors are a promising therapeutic option. We hypothesized that the DNA damage response in tumor cells induces an immune response, thereby up-regulating programmed death-ligand 1 (PD-L1) expression on tumor cells, which in turn sensitizes them to anti-PD-1 therapy...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275315/clinical-and-prognostic-analysis-of-hypopharyngeal-squamous-cell-carcinoma-with-synchronous-and-metachronous-multiple-malignancies
#7
Keisuke Yamamoto, Kenichi Takano, Atsushi Kondo, Makoto Kurose, Kazufumi Obata, Tetsuo Himi
BACKGROUND/AIM: To analyze the clinical features and prevalence of synchronous and metachronous second primary malignancies (SPMs) in patients with hypopharyngeal squamous cell carcinoma (HSCC), their associated risk factors, and cause-specific mortality. PATIENTS AND METHODS: We retrospectively reviewed 136 patients treated with curative intent at our hospital. Statistical analyses were performed to determine factors predictive of SPM and cause-specific mortality...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275314/radiotherapy-and-tyrosine-kinase-inhibitors-in-stage-iv-non-small-cell-lung-cancer-real-life-experience
#8
Paolo Borghetti, Marco Lorenzo Bonù, Elisa Roca, Sara Pedretti, Emiliano Salah, Anna Baiguini, Diana Greco, Luca Triggiani, Marta Maddalo, Niccolò Giaj Levra, Filippo Alongi, Stefano Maria Magrini, Michela Buglione
AIM: To investigate the role of conventional radiotherapy (RT) and stereotactic body radiotherapy (SBRT) in patients with epidermal growth factor (EGFR)-mutant or anaplastic lymphoma kinase (ALK) rearrangement-positive metastatic non-small cell lung cancer (NSCLC). PATIENTS AND METHODS: Fifty patients with EGFR-mutated or ALK rearrangement-positive NSCLC were treated at our Institution. Radiotherapy was delivered before, after or concomitantly with tyrosine kinase inhibitors (TKIs)...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275313/tumor-infiltrating-lymphocytes-predict-the-chemotherapeutic-outcomes-in-patients-with-stage-iv-colorectal-cancer
#9
Masatsune Shibutani, Kiyoshi Maeda, Hisashi Nagahara, Tatsunari Fukuoka, Yasuhito Iseki, Shinji Matsutani, Shinichiro Kashiwagi, Hiroaki Tanaka, Kosei Hirakawa, Masaichi Ohira
BACKGROUND/AIM: The anticancer immune response has been reported to contribute to the success of chemotherapy. The aim of this study was to evaluate the significance of the measurement of tumor-infiltrating lymphocytes (TILs) in the primary tumor using the method proposed by the International TILs Working Group as a prognostic marker of chemotherapeutic outcomes in patients with stage IV colorectal cancer (CRC). PATIENTS AND METHODS: A total of 57 patients with stage IV CRC who underwent palliative chemotherapy after resection of the primary tumor were enrolled...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275312/prognostic-impact-of-splenectomy-in-patients-with-esophagogastric-junction-carcinoma
#10
Minoru Fukuchi, Erito Mochiki, Toru Ishiguro, Kana Saito, Hiroshi Naitoh, Youichi Kumagai, Keiichiro Ishibashi, Hideyuki Ishida
BACKGROUND/AIM: We evaluated the survival benefit of splenectomy in patients with esophagogastric junction (ECJ) carcinoma. PATIENTS AND METHODS: We retrospectively examined clinicopathological and survival data for 60 surgically-treated patients with ECJ carcinoma. RESULTS: The 5-year overall survival (OS) rate was 47%. Splenectomy was performed in 20 patients (30%). Multivariate Cox regression analysis revealed splenectomy (odds ratio (OR), 2...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275311/quality-of-life-in-patients-with-bladder-cancer-undergoing-ileal-conduit-a-comparison-of-women-versus-men
#11
Salvatore Siracusano, Carolina D'Elia, Maria Angela Cerruto, Omar Saleh, Sergio Serni, Mauro Gacci, Stefano Ciciliato, Alchiede Simonato, Antonio Porcaro, Vincenzo DE Marco, Renato Talamini, Laura Toffoli, Francesco Visalli, Mauro Niero, Cristina Lonardi, Ciro Imbimbo, Paolo Verze, Vincenzo Mirone, Marco Racioppi, Massimo Iafrate, Giovanni Cacciamani, Davide DE Marchi, Pierfrancesco Bassi, Walter Artibani
BACKGROUND/AIM: Studies comparing health-related quality of life (HR-QoL) between patients who underwent radical cystectomy (RC) and those who underwent a different form of urinary diversion has not reached yet univocal and reliable conclusions. The aim of our study was to evaluate bladder-specific long-term HR-QoL after radical cystectomy and ileal conduit. PATIENTS AND METHODS: A multicenter study was carried out on 145 consecutive patients (112 males and 33 females) undergoing RC and ileal conduit (IC)...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275310/mmp7-modulation-by-short-and-long-term-radiotherapy-in-patients-with-rectal-cancer
#12
Christina Stene, Andrea Polistena, Alexander Gaber, Björn Nodin, Bianca Ottochian, Diya Adawi, Nicola Avenia, Karin Jirström, Louis Banka Johnson
BACKGROUND/AIM: Matrix metalloproteinase 7 (MMP7) expression is highly associated with colorectal cancer and modulates tumour growth and invasion. Radiation injury induces inflammation with increases in MMP7 and in transforming growth factor beta (TGFβ). The aim of this study was to investigate the effect on MMP7 and TGFβ. expression in patients with rectal cancer undergoing different regimens of neoadjuvant radiotherapy (RT). PATIENTS AND METHODS: We studied 53 patients in three RT treatment groups receiving RT of 25 Gy, long-term RT 50 Gy and controls receiving no RT...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275309/detection-of-local-recurrence-with-3-tesla-mri-after-radical-prostatectomy-a-useful-method-for-radiation-treatment-planning
#13
Daniel Buergy, Metin Sertdemir, Anja Weidner, Mohamed Shelan, Frank Lohr, Frederik Wenz, Stefan O Schoenberg, Ulrike I Attenberger
BACKGROUND/AIM: Salvage radiotherapy improves biochemical control in patients with recurrence of prostate cancer after prostatectomy. Radiotherapy target volumes of the prostatic fossa are based on empirical data and differ between different guidelines. Localization of recurrence with multiparametric magnetic resonance imaging (MRI) might be a feasible approach to localize recurrent lesions. PATIENTS AND METHODS: Twenty-one patients with biochemical recurrence after radical prostatectomy were included (median prostate-specific antigen (PSA) =0...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275308/early-pet-ct-after-stereotactic-radiotherapy-for-stage-1-non-small-cell-lung-carcinoma-is-predictive-of-local-control
#14
Marguerite Tyran, Nathalie Charrier, Julien Darreon, Anne Madroszyk, Agnes Tallet, Naji Salem
BACKGROUND/AIM: Radiological evaluation after stereotactic-body-radiotherapy (SBRT) for non-small-cell lung carcinoma (NSCLC) is often difficult due to lung radiation-induced image modifications on computed tomographic (CT) scan. The aim of this study was to evaluate positron-emission tomography-computed tomography (PET-CT) using fluorodeoxyglucose after SBRT in primary lung cancer. PATIENTS AND METHODS: Eighteen patients with histologically proven NSCLC were treated with SBRT...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275307/challenges-in-the-analysis-of-outcomes-for-surgical-compared-to-radiotherapy-treatment-of-prostate-cancer
#15
Scott M Glaser, Ronny Kalash, Dante R Bongiorni, Mark S Roberts, Goundappa K Balasubramani, Bruce L Jacobs, Sushil Beriwal, Dwight E Heron, Joel S Greenberger
BACKGROUND/AIM: Prostate cancer can be treated with radical prostatectomy (RP), external-beam radiotherapy (EBRT), or brachytherapy (BT). These modalities have similar cancer-related outcomes. We used an innovative method to analyze the cost of such treatment. MATERIALS AND METHODS: We queried our Institution's Insurance Division [University of Pittsburgh Medical Center (UPMC) Health Plan] beneficiaries from 2003-2008, who were diagnosed with prostate cancer and also queried the UPMC tumor registry for all patients with prostate cancer treated at our Institution...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275306/silver-nanoparticles-alter-cell-adhesion-and-proliferation-of-sheep-primary-mesothelial-cells
#16
Zoi V Arsenopoulou, Ioannis A Taitzoglou, Paschalis-Adam Molyvdas, Konstantinos I Gourgoulianis, Chrissi Hatzoglou, Sotirios G Zarogiannis
BACKGROUND: Human exposure to engineered nanoparticles has been linked to pleural effusion, inflammation and fibrosis. Silver nanoparticles (AgNPs) are widely used in medical and domestic products, increasing the risk of occupational and domestic exposure. We assessed the influence of AgNPs on adhesion and proliferation of sheep primary pleural mesothelial cells. MATERIALS AND METHODS: Cells were used for cell adhesion (90 min) and proliferation experiments (3 days) while exposed to 20 nm and 60 nm AgNPs (0...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275305/inhibition-of-formation-of-azoxymethane-induced-colonic-aberrant-crypt-foci-in-rats-by-edible-green-algae-capsosiphon-fulvescens-and-brown-algae-hizikia-fusiforme
#17
Young-Sook Son, H M Arif Ullah, Ahmed K Elfadl, Soong-Gu Ghim, Myung-Jin Chung, Yong Deuk Kim, Eun-Joo Lee, Kyung-Ku Kang, Kyu-Shik Jeong
Capsosiphon fulvescens (green seaweed) and Hizikia fusiforme (brown seaweed) are marine algae consumed as food supplements, especially in Japan, China and Korea, and are considered traditional medicinal tonics for certain ailments. The aim of this study was to investigate the possible inhibitory effects of dietary C. fulvescens and H. fusiforme on azoxymethane (AOM)-induced colorectal cancer (CRC) in rats. F344 male rats (5 weeks, 150 g) were divided into six groups as follows. Group 1: Injected with normal saline solution and fed control diet (untreated control)...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275304/preventive-effects-of-vitamin-c-on-diethylnitrosamine-induced-hepatotoxicity-in-smp30-knockout-mice
#18
Young-Sook Son, H M Arif Ullah, Ahmed K Elfadl, Myung-Jin Chung, Soong-Gu Ghim, Yong Deuk Kim, Eun-Joo Lee, Kyung-Ku Kang, Kyu-Shik Jeong
Vitamin C (L-ascorbic acid) is well known as a free radical scavenger that protects cells against damage from oxidative stress. Herein, we investigated the effects of vitamin C against diethylnitrosamine (DEN)-induced hepatotoxicity. Male wild-type (C57BL/6) and senescence marker protein-30 (Smp30) knockout (KO) mice were used and divided in the following four groups: WT group (n=15): Wild-type (WT) mice fed vitamin C-free diet with tap water; WV group (n=14): WT mice fed vitamin C-free diet with water supplemented with 1...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275303/effect-of-increased-intra-abdominal-pressure-on-liver-histology-and-hemodynamics-an-experimental-study
#19
Efstathios A Antoniou, Evi Kairi, Georgios A Margonis, Nikolaos Andreatos, Kazunari Sasaki, Christos Damaskos, Nikolaos Garmpis, Mario Samaha, Eriphyli Argyra, George Polymeneas, Matthew J Weiss, Timothy M Pawlik, Dionysios Voros, Gregory Kouraklis
BACKGROUND: While reduction of portal venous (PV) blood flow has been described in animal models of intra-abdominal hypertension, reports on compensatory changes in hepatic arterial (HA) flow, known as the hepatic arterial buffer response are controversial. MATERIALS AND METHODS: Pneumoperitoneum with helium was induced in 13 piglets. Hemodynamic measurements and pathological assessment were conducted at baseline and during the three subsequent phases: Phase A: 45 minutes with a stable intra-abdominal pressure of 25 mmHg; phase B: 45 minutes with a stable intra-abdominal pressure of 40 mmHg; and phase C during which the abdomen was re-explored and reperfusion of the liver was allowed to take place...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29275302/evaluation-of-vascular-proliferation-in-molecular-subtypes-of-breast-cancer
#20
Ionela Sevilla Bujor, Andreea Cioca, Raluca Amalia Ceaușu, Fulga Veaceslav, Cristian Nica, Anca Maria Cîmpean, Marius Raica
BACKGROUND: Angiogenesis plays a pivotal role in tumor development. Although microvessel density (MVD) is the most common method used for evaluation of angiogenesis, it has several limitations. Our aim was to evaluate MVD and microvessel proliferation (MVP) in a series of invasive breast carcinomas and analyze whether angiogenesis is influenced by the molecular phenotype of each tumor. MATERIALS AND METHODS: We examined vascular proliferation using double immunohistochemistry (CD34/Ki67) in a series of 54 invasive breast carcinomas and compared the results with standard MVD, molecular subtypes and other classical parameters...
January 2018: In Vivo
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