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Radiology and Oncology

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https://www.readbyqxmd.com/read/28959174/a-novel-mutation-in-the-foxc2-gene-a-heterozygous-insertion-of-adenosine-c-867insa-in-a-family-with-lymphoedema-of-lower-limbs-without-distichiasis
#1
Tanja Planinsek Rucigaj, Matija Rijavec, Jovan Miljkovic, Julij Selb, Peter Korosec
BACKGROUND: Primary lymphoedema is a rare genetic disorder characterized by swelling of different parts of the body and highly heterogenic clinical presentation. Mutations in several causative genes characterize specific forms of the disease. FOXC2 mutations are associated with lymphoedema of lower extremities, usually distichiasis and late onset. PATIENTS AND METHODS: Subjects from three generations of a family with lymphoedema of lower limbs without distichiasis were searched for mutations in the FOXC2 gene...
September 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28959173/pd-l1-expression-in-squamous-cell-carcinoma-and-adenocarcinoma-of-the-lung
#2
Urska Janzic, Izidor Kern, Andrej Janzic, Luka Cavka, Tanja Cufer
BACKGROUND: With introduction of immunotherapy (IT) into the treatment of advanced non-small-cell lung cancer (NSCLC), a need for predictive biomarker became apparent. Programmed death ligand 1 (PD-L1) protein expression is most widely explored predictive marker for response to IT. We assessed PD-L1 expression in tumor cells (TC) and immune cells (IC) of squamous-cell carcinoma (SCC) and adenocarcinoma (AC) patients. PATIENTS AND METHODS: We obtained 54 surgically resected tumor specimens and assessed PD-L1 expression by immunohistochemistry after staining them with antibody SP142 (Ventana, USA)...
September 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28959172/the-outcome-of-the-first-100-nasopharyngeal-cancer-patients-in-thailand-treated-by-helical-tomotherapy
#3
Imjai Chitapanarux, Wannapha Nobnop, Patumrat Sripan, Ausareeya Chumachote, Ekkasit Tharavichitkul, Somvilai Chakrabandhu, Pitchayaponne Klunklin, Wimrak Onchan, Bongkot Jia-Mahasap, Suwapim Janlaor, Patcharawadee Kayan, Patrinee Traisathit, Dirk Van Gestel
BACKGROUND: The aim of the study was to analyse of two-year loco-regional failure free survival (LRFFS), distant metastasis free survival (DMFS), overall survival (OS), and toxicity outcomes of the first 100 nasopharyngeal carcinoma patients in Thailand treated by helical tomotherapy. PATIENTS AND METHODS: Between March 2012 and December 2015, 100 patients with non-metastatic nasopharyngeal carcinoma were treated by helical tomotherapy. All patients were treated by platinum-based concurrent chemoradiotherapy and adjuvant or neo-adjuvant chemotherapy...
September 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28959171/health-related-quality-of-life-assessed-by-the-eortc-qlq-c30-questionnaire-in-the-general-slovenian-population
#4
Vaneja Velenik, Ajra Secerov-Ermenc, Jasna But-Hadzic, Vesna Zadnik
BACKGROUND: The aim of our study was to obtain reference data of the EORTC QLQ-C30 quality of life dimensions for the general Slovenian population. We intend to provide the researchers and clinicians in our country with the expected mean health-related quality of life (HRQL) scores for distinctive socio-demographic population groups. METHODS: The EORTC QLQ-C30 questionnaire supplemented by a socio-demographic inquiry was mailed or distributed to 1,685 randomly selected individuals in the Slovenian population aged 18 - 90...
September 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28959170/expression-of-loc285758-a-potential-long-non-coding-biomarker-is-methylation-dependent-and-correlates-with-glioma-malignancy-grade
#5
Alenka Matjasic, Mara Popovic, Bostjan Matos, Damjan Glavac
BACKGROUND: Identifying the early genetic drivers can help diagnose glioma tumours in their early stages, before becoming malignant. However, there is emerging evidence that disturbance of epigenetic mechanisms also contributes to cell's malignant transformation and cancer progression. Long non-coding RNAs are one of key epigenetic modulators of signalling pathways, since gene expression regulation is one of their canonical mechanisms. The aim of our study was to search new gliomagenesis-specific candidate lncRNAs involved in epigenetic regulation...
September 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28959169/high-dose-hypofractionated-proton-beam-therapy-is-a-safe-and-feasible-treatment-for-central-lung-cancer
#6
Takashi Ono, Tomonori Yabuuchi, Tatsuya Nakamura, Kanako Kimura, Yusuke Azami, Katsumi Hirose, Motohisa Suzuki, Hitoshi Wada, Yasuhiro Kikuchi, Kenji Nemoto
BACKGROUND: There have been few reports about high total dose hypofractionated proton beam therapy for central lung cancer. The aim of this study was to examine retrospectively the safety and efficacy of high total dose hypofractionated proton beam therapy for central lung cancer. PATIENTS AND METHODS: Patients treated by proton beam therapy for central lung cancer located less than 2 cm from the trachea, mainstem bronchus, or lobe bronchus were included in this study...
September 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28959168/electrochemotherapy-supplementary-treatment-for-loco-regional-metastasized-breast-carcinoma-administered-to-concomitant-systemic-therapy
#7
Eva-Maria Grischke, Carmen Röhm, Eva Stauß, Florin-Andrei Taran, Sara Y Brucker, Diethelm Wallwiener
BACKGROUND: Electrochemotherapy (ECT) is an established procedure for treating breast cancer loco-regional recurrences following surgical intervention and/or radiotherapy. Limited information is available on ECT application as a concomitant procedure to systemic therapy in recurrent breast cancer. The primary objective of this study was to determine if the application of ECT in close temporal relation to systemic chemotherapy could lead to increased local and/or systemic side effects...
September 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28959167/protective-restorative-role-of-the-adipose-tissue-derived-mesenchymal-stem-cells-on-the-radioiodine-induced-salivary-gland-damage-in-rats
#8
Güleser Saylam, Ömer Bayır, Salih Sinan Gültekin, Ferda Alparslan Pınarlı, Ünsal Han, Mehmet Hakan Korkmaz, Mehmet Eser Sancaktar, İlkan Tatar, Mustafa Fevzi Sargon, Emel Çadallı Tatar
BACKGROUND: To analyze protective/regenerative effects of adipose tissue-derived mesenchymal stem cells (ADMSC) on (131)I-Radioiodine (RAI)-induced salivary gland damage in rats. MATERIALS AND METHODS: Study population consisted of controls (n:6) and study groups (n:54): RAI (Group 1), ADMSC (Group 2), amifostine (Group 3), RAI+amifostine (Group 4), concomitant RAI+ADMSC (Group 5) and RAI+ADMSC after 48 h (Group 6). We used light microscopy (LM), transmission electron microscopy (TEM), and salivary gland scintigraphy (SGS), and analyzed data statistically...
September 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28959166/in-vitro-and-in-vivo-evaluation-of-electrochemotherapy-with-trans-platinum-analogue-trans-ptcl2-3-hmpy-2
#9
Simona Kranjc, Maja Cemazar, Gregor Sersa, Janez Scancar, Sabina Grabner
BACKGROUND: Cisplatin is used in cancer therapy, but its side effects and acquired resistance to cisplatin have led to the synthesis and evaluation of new platinum compounds. Recently, the synthesized platinum compound trans-[PtCl2(3-Hmpy)2] (3-Hmpy = 3-hydroxymethylpyridine) (compound 2) showed a considerable cytotoxic and antitumour effectiveness. To improve compound 2 cytotoxicity in vitro and antitumour effectiveness in vivo, electroporation was used as drug delivery approach to increase membrane permeability (electrochemotherapy)...
September 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28959165/effects-of-electrochemotherapy-with-cisplatin-and-peritumoral-il-12-gene-electrotransfer-on-canine-mast-cell-tumors-a-histopathologic-and-immunohistochemical-study
#10
Claudia Salvadori, Tanja Svara, Guido Rocchigiani, Francesca Millanta, Darja Pavlin, Maja Cemazar, Ursa Lampreht Tratar, Gregor Sersa, Natasa Tozon, Alessandro Poli
BACKGROUND: The study was aimed to characterize tumor response after combined treatment employing electrochemotherapy with IL-12 gene electrotransfer in dogs with spontaneous mast cell tumors (MCT). MATERIALS AND METHODS: Eleven dogs with eleven MCTs were included in the study. Histological changes were investigated in biopsy specimens collected before the treatment (T0), and 4 (T1) and 8 weeks (T2) later. Cellular infiltrates were characterized immunohistochemically by using anti CD3, CD20, Foxp3 (Treg), CD68 and anti MHC-class II antibodies...
September 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28959164/dynamic-susceptibility-contrast-enhanced-dsc-mri-perfusion-and-plasma-cytokine-levels-in-patients-after-tonic-clonic-seizures
#11
Tatjana Filipovic, Katarina Surlan Popovic, Alojz Ihan, David Bozidar Vodusek
BACKGROUND: Inflammatory events in brain parenchyma and glial tissue are involved in epileptogenesis. Blood concentration of cytokines is shown to be elevated after tonic-clonic seizures. As a result of inflammation, blood-brain barrier leakage occurs. This can be documented by imaging techniques, such is dynamic susceptibility contrast enhanced (DSC) MRI perfusion. Our aim was to check for postictal brain inflammation by studying DSC MRI perfusion and plasma level of cytokines. We looked for correlations between number and type of introducing seizures, postictal plasma level of cytokines and parameters of DSC MRI perfusion...
September 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28959163/quantitative-aspects-of-diffusion-weighted-magnetic-resonance-imaging-in-rectal-cancer-response-to-neoadjuvant-therapy
#12
Thiago Bassaneze, José Eduardo Gonçalves, Juliano Ferreira Faria, Rogério Tadeu Palma, Jaques Waisberg
BACKGROUND: The aim of the study was to evaluate the added value of the apparent diffusion coefficient (ADC) of diffusion-weighted magnetic resonance imaging (DW-MRI) in patients with rectal cancer who received neoadjuvant chemoradiotherapy (CRT). The use of DW-MRI for response evaluation in rectal cancer still remains a widely investigated issue, as the accurate detection of pathologic complete response (pCR) is critical in making therapeutic decisions. PATIENTS AND METHODS: Thirty-three patients with locally advanced rectal cancer were evaluated retrospectively by MRI in addition to diffusion-weighted images (DWI) and its ADC pre- and post-neoadjuvant CRT...
September 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28959162/an-image-fusion-system-for-estimating-the-therapeutic-effects-of-radiofrequency-ablation-on-hepatocellular-carcinoma
#13
Nobuyuki Toshikuni, Yasuhiro Matsue, Kazuaki Ozaki, Kaho Yamada, Nobuhiko Hayashi, Mutsumi Tsuchishima, Mikihiro Tsutsumi
BACKGROUND: During ultrasound-guided radiofrequency ablation (RFA) of hepatocellular carcinoma (HCC), high echoic areas due to RFA-induced microbubbles can help calculate the extent of ablation. However, these areas also decrease visualization of target tumors, making it difficult to assess whether they completely cover the tumors. To estimate the effects of RFA more precisely, we used an image fusion system (IFS). PATIENTS AND METHODS: We enrolled patients with a single HCC who received RFA with or without the IFS...
September 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28959161/magnetic-resonance-imaging-evaluation-in-neoadjuvant-therapy-of-locally-advanced-rectal-cancer-a-systematic-review
#14
Roberta Fusco, Mario Petrillo, Vincenza Granata, Salvatore Filice, Mario Sansone, Orlando Catalano, Antonella Petrillo
BACKGROUND: The aim of the study was to present an update concerning several imaging modalities in diagnosis, staging and pre-surgery treatment response assessment in locally advanced rectal cancer (LARC). Modalities include: traditional morphological magnetic resonance imaging (MRI), functional MRI such as dynamic contrast enhanced MRI (DCE-MRI) and diffusion weighted imaging (DWI). A systematic review about the diagnostic accuracy in neoadjuvant therapy response assessment of MRI, DCE-MRI, DWI and Positron Emission Tomography/Computed Tomography (PET/CT) has been also reported...
September 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28959160/selection-of-non-small-cell-lung-cancer-patients-for-intercalated-chemotherapy-and-tyrosine-kinase-inhibitors
#15
Matjaz Zwitter, Antonio Rossi, Massimo Di Maio, Maja Pohar Perme, Gilberto Lopes
BACKGROUND: When treating patients with advanced non-small cell lung cancer (NSCLC) with tyrosine kinase inhibitors and chemotherapy, intercalated schedule with time separation between the two classes of drugs should avoid their mutual antagonism. In a survey of published trials, we focus on relation between eligibility criteria and effectiveness of intercalated treatment. METHODS: Published documents were identified using major medical databases, conference proceedings and references of published trials...
September 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28740460/excess-of-radiation-burden-for-young-testicular-cancer-patients-using-automatic-exposure-control-and-contrast-agent-on-whole-body-computed-tomography-imaging
#16
Hannele Niiniviita, Jarmo Kulmala, Tuukka Pölönen, Heli Määttänen, Hannu Järvinen, Eeva Salminen
BACKGROUND: The aim of the study was to assess patient dose from whole-body computed tomography (CT) in association with patient size, automatic exposure control (AEC) and intravenous (IV) contrast agent. PATIENTS AND METHODS: Sixty-five testicular cancer patients (mean age 28 years) underwent altogether 279 whole-body CT scans from April 2000 to April 2011. The mean number of repeated examinations was 4.3. The GE LightSpeed 16 equipped with AEC and the Siemens Plus 4 CT scanners were used for imaging...
June 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28740459/dosimetric-predictors-of-treatment-related-lymphopenia-induced-by-palliative-radiotherapy-predictive-ability-of-dose-volume-parameters-based-on-body-surface-contour
#17
Tetsuo Saito, Ryo Toya, Tomohiko Matsuyama, Akiko Semba, Natsuo Oya
BACKGROUND: Radiation-related lymphopenia has been associated with poor patient outcome. Our aim was to identify predictors of lymphopenia after palliative radiotherapy, with a focus on dose-volume parameters. PATIENTS AND METHODS: To retrospectively assess patients with various cancers who had undergone palliative radiotherapy, we delineated three organs at risk: the volume enclosed by the body surface contour (body A), the volume left after excluding air, pleural effusion, ascites, bile, urine, and intestinal content (body B), and the volume of the bone marrow (BM)...
June 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28740458/treatment-related-cardiovascular-toxicity-in-long-term-survivors-of-testicular-cancer
#18
Jasenka Gugic, Lorna Zadravec Zaletel, Irena Oblak
BACKGROUNDS: Testicular cancer is the most common malignancy in young men. Considering increasing incidence, exceptionally high cure rate, as well as long life expectancy, assessment of long term toxicity in testicular cancer survivors is of great importance. In the last decades a major effort has been made in order to reduce toxicity of treatment, while maintaining its high effectiveness. CONCLUSIONS: Actual knowledge on treatment toxicity is based on outdated treatment modalities...
June 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28740457/perioperative-increase-in-neutrophil-cd64-expression-is-an-indicator-for-intra-abdominal-infection-after-colorectal-cancer-surgery
#19
Milena Kerin Povsic, Bojana Beovic, Alojz Ihan
BACKGROUND: Colorectal surgery is associated with a high incidence of postoperative infections. Early clinical signs are difficult to distinguish from the systemic inflammatory response related to surgical trauma. Timely diagnosis may significantly improve the outcome. The objective of this study was to compare a new biomarker index CD64 for neutrophils (iCD64n) with standard biomarkers, white blood cell (WBC) count, neutrophil/lymphocyte ratio (NLR), C-reactive protein (CRP) and procalcitonin (PCT) for the early detection of postoperative infection...
June 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28740456/carotid-artery-stiffness-digital-endothelial-function-and-coronary-calcium-in-patients-with-essential-thrombocytosis-free-of-overt-atherosclerotic-disease
#20
Matjaz Vrtovec, Ajda Anzic, Irena Preloznik Zupan, Katja Zaletel, Ales Blinc
BACKGROUND: Patients with myeloproliferative neoplasms (MPNs) are at increased risk for atherothrombotic events. Our aim was to determine if patients with essential thrombocytosis (ET), a subtype of MPNs, free of symptomatic atherosclerosis, have greater carotid artery stiffness, worse endothelial function, greater coronary calcium and carotid plaque burden than control subjects. PATIENTS AND METHODS: 40 ET patients without overt vascular disease, and 42 apparently healthy, age and sex-matched control subjects with comparable classical risk factors for atherosclerosis and Framingham risk of coronary disease were enrolled...
June 2017: Radiology and Oncology
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