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Oncology radiology

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https://www.readbyqxmd.com/read/29159606/preoperative-68-ga-dota-somatostatin-analog-pet-ct-hybrid-imaging-increases-detection-rate-of-intra-abdominal-small-intestinal-neuroendocrine-tumor-lesions
#1
Olov Norlén, Harald Montan, Per Hellman, Peter Stålberg, Anders Sundin
BACKGROUND: Small intestinal neuroendocrine tumors (SI-NETs) are the most common form of neoplasm in the small bowel. Radiological identification of primary tumors (PT), which may be multiple, is difficult, and therefore palpation of the entire small bowel is routinely performed during laparotomy. The aim was to determine detection rates of PT and peritoneal carcinomatosis (PC) with (68)Ga-DOTATOC/TATE-PET/CT in comparison with i.v. contrast-enhanced computed tomography (CE-CT) and thus to clarify whether modern functional imaging can mitigate the need for palpation of bowel during surgery enabling oncologically adequate laparoscopic resection...
November 20, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/29151389/bevacizumab-in-recurrent-high-grade-gliomas-a-canadian-retrospective-study
#2
Mary Jane Lim Fat, Catherine Maurice, Manjula Maganti, Warren P Mason
BACKGROUND: Bevacizumab has been used in recurrent glioblastoma (rGBM) since 2010 in Canada. Given its cost, potential toxicities, and unclear efficacy, further studies are required to better define suitable candidates for therapy. METHODS: A single-center retrospective review of patients started on bevacizumab for rGBM from 2012 to 2015 was performed. Patient demographics, tumor characteristics, treatment regimen, and dates of clinical progression and death were collected...
November 20, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29145864/intraductal-tubulopapillary-neoplasm-itpn-of-the-pancreas-associated-with-an-invasive-component-a-case-report-with-review-of-the-literature
#3
Stefanie Kuscher, Hartmut Steinle, Afschin Soleiman, Dietmar Öfner, Stefan Schneeberger, Georg Oberhuber
BACKGROUND: Intraductal tubulopapillary neoplasm (ITPN) depicts a distinct entity in the subgroup of premalignant epithelial tumors of the pancreas. Although the histomorphological and immunophenotypical characterization of ITPN has been described by several authors in terms of report of case series in the past, the rarity of that tumor subtype and similarity to other entities still makes identification of ITPN a challenge for radiologists and pathologists. To date, little is known about tubulopapillary carcinoma that can evolve from ITPN...
November 16, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29140934/response-of-symptomatic-persistent-chronic-disseminated-candidiasis-to-corticosteroid-therapy-in-immunosuppressed-pediatric-patients-case-study-and-review-of-the-literature
#4
Vered Shkalim-Zemer, Itzhak Levi, Salvador Fischer, Hannah Tamary, Joanne Yakobovich, Gali Avrahami, Gil Gilad, Sara Elitzur, Isaac Yaniv, Ronit Elhasid, Michal Manistersky, Itamar Shalit
BACKGROUND: Chronic disseminated candidiasis (CDC) is a severe invasive fungal infection principally observed during neutrophil recovery in patients with acute leukemia treated with intensive chemotherapy. Its pathophysiology remains unclear. We describe the management of six children with symptomatic CDC who did not respond to antifungal therapy. METHODS: The databases of the hematology-oncology departments of two tertiary pediatric medical centers were searched for all patients diagnosed with CDC from 2003 to 2015 who responded to corticosteroids after failing antifungal therapy...
November 14, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29129443/adjuvant-chemotherapy-with-or-without-bevacizumab-in-patients-with-resected-non-small-cell-lung-cancer-e1505-an-open-label-multicentre-randomised-phase-3-trial
#5
Heather A Wakelee, Suzanne E Dahlberg, Steven M Keller, William J Tester, David R Gandara, Stephen L Graziano, Alex A Adjei, Natasha B Leighl, Seena C Aisner, Jan M Rothman, Jyoti D Patel, Mark D Sborov, Sean R McDermott, Roman Perez-Soler, Anne M Traynor, Charles Butts, Tracey Evans, Atif Shafqat, Andrew E Chapman, Samer S Kasbari, Leora Horn, Suresh S Ramalingam, Joan H Schiller
BACKGROUND: Adjuvant chemotherapy for resected early-stage non-small-cell lung cancer (NSCLC) provides a modest survival benefit. Bevacizumab, a monoclonal antibody directed against VEGF, improves outcomes when added to platinum-based chemotherapy in advanced-stage non-squamous NSCLC. We aimed to evaluate the addition of bevacizumab to adjuvant chemotherapy in early-stage resected NSCLC. METHODS: We did an open-label, randomised, phase 3 trial of adult patients (aged ≥18 years) with an Eastern Cooperative Oncology Group performance status of 0 or 1 and who had completely resected stage IB (≥4 cm) to IIIA (defined by the American Joint Committee on Cancer 6th edition) NSCLC...
November 9, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/29127998/spectral-computed-tomography-technique-and-applications-for-head-and-neck-cancer
#6
REVIEW
Almudena Pérez-Lara, Reza Forghani
Spectral computed tomography (CT) or dual-energy CT (DECT) is an advanced form of CT with increasing applications in head and neck radiology. This article provides an overview of the DECT technique and reviews current applications for the evaluation of neck pathology, focusing on oncologic applications. Included are an overview of the basic underlying principles and approaches for DECT scan acquisition and material characterization; a discussion of various DECT reconstructions and a brief overview of practical issues pertaining to DECT implementation, including those related to workflow impact of DECT; and a discussion of various applications of DECT for the evaluation of the neck, especially in oncology...
February 2018: Magnetic Resonance Imaging Clinics of North America
https://www.readbyqxmd.com/read/29124987/outcomes-of-treatment-with-sorafenib-in-egyptian-patients-with-hepatocellular-carcinoma-a-retrospective-cohort-study
#7
Yousery Nada, Noha Rashad, Mai Eissa, Aya Ghonaim, Kyrillus Farag, Islam Saadawi, Ahmed Sheha, Mahmoud El Gewaity, Omar Abdel-Rahman
BACKGROUND: Sorafenib is the standard of care, first line treatment for advanced HCC. This study aims to evaluate real-life efficacy and safety of sorafenib in Egyptian patients with Hepatocellular carcinoma (HCC). RESEARCH DESIGN AND METHODS: This retrospective cohort study was conducted in the medical oncology department at Maadi Armed Forces Medical Compound. Patients with advanced HCC who received sorafenib between January and December 2015 were included (130 patients)...
November 10, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29118984/clinical-trial-protocol-for-tardox-a-phase-i-study-to-investigate-the-feasibility-of-targeted-release-of-lyso-thermosensitive-liposomal-doxorubicin-thermodox%C3%A2-using-focused-ultrasound-in-patients-with-liver-tumours
#8
Paul C Lyon, Lucy F Griffiths, Jenni Lee, Daniel Chung, Robert Carlisle, Feng Wu, Mark R Middleton, Fergus V Gleeson, Constantin C Coussios
Background: TARDOX is a Phase I single center study of ultrasound triggered targeted drug delivery in adult oncology patients with incurable liver tumours. This proof of concept study is designed to demonstrate the safety and feasibility of targeted drug release and enhanced delivery of doxorubicin from thermally sensitive liposomes (ThermoDox®) triggered by mild hyperthermia induced by focused ultrasound in liver tumours. A key feature of the study is the direct quantification of the doxorubicin concentration before and after ultrasound exposure from tumour biopsies, using high performance liquid chromatography (HPLC)...
2017: Journal of Therapeutic Ultrasound
https://www.readbyqxmd.com/read/29118690/pneumoperitoneum-after-endoscopic-retrograde-cholangiopancreatography-due-to-rupture-of-intrahepatic-bile-ducts-and-glisson-s-capsule-in-hepatic-metastasis-a-case-report-and-review-of-literature
#9
Zubair Khan, Umar Darr, Mohamad Nawras, Muhammad Bawany, Jacob Bieszczad, Osama Alaradi, Ali Nawras
Introduction: Endoscopic retrograde cholangiopancreatography (ERCP) has been proven to be a safe and effective method for diagnosis and treatment of biliary and pancreatic disorders. Major complications of ERCP include pancreatitis, hemorrhage, cholangitis, and duodenal perforation. We report a third case in literature of pneumoperitoneum after ERCP due to rupture of intrahepatic bile ducts and Glisson's capsule in a peripheral hepatic lesion. Case Report: A 50-year-old male with a history of metastatic pancreatic neuroendocrine tumor and who had a partially covered metallic stent placed in the biliary tree 1 year ago presented to the oncology clinic with fatigue, abdominal pain, and hypotension...
September 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29114999/comparison-between-site-and-central-radiological-assessments-for-patients-with-recurrent-glioblastoma-on-a-clinical-trial
#10
Kathryn M Field, Greg Fitt, Mark A Rosenthal, John Simes, Anna K Nowak, Elizabeth H Barnes, Kate Sawkins, Christine Goh, Bradford A Moffat, Simon Salinas, Lawrence Cher, Helen Wheeler, Elizabeth J Hovey, Pramit M Phal
AIM: Assessment of magnetic resonance imaging (MRI) in glioblastoma can be challenging. For patients with recurrent glioblastoma managed on the CABARET trial, we compared disease status assessed at hospitals and subsequent blinded central expert radiological review. METHODS: MRI results and clinical status at specified time points were used for site and central assessment of disease status. Clinical status was determined by the site. Response Assessment in Neuro-Oncology (RANO) criteria were used for both assessments...
November 8, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29109954/role-of-periapical-diseases-in-medication-related-osteonecrosis-of-the-jaws
#11
Nian Jing Rao, Jing Yi Wang, Ru Qing Yu, Yiu Yan Leung, Li Wu Zheng
Objective: The present study aimed to investigate the role of periapical diseases in inducing medication-related osteonecrosis of the jaws (MRONJ) using an ovariectomized (OVX) mice model. Materials and Methods: Twenty C57BL/6N female mice were randomly assigned to two groups. All mice were subjected to bilateral ovariectomy and then treated with oncologic dose of zoledronic acid (ZA) or vehicle for twelve weeks. Eight weeks after commence of drug administration, a pulpal exposure (PE) operation was performed on the first right lower molar to induce periapical periodontitis; the contralateral non-PE tooth was used as control...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29100720/prognostic-factors-for-parotid-metastasis-of-cutaneous-squamous-cell-carcinoma-of-the-head-and-neck
#12
C Bobin, P Ingrand, B Dréno, E Rio, O Malard, F Espitalier
BACKGROUND: Cutaneous squamous cell carcinoma (CSCC) develops on the head in 80% of cases. Parotid metastasis (PM) is rare, but treatment, which associates surgery and radiation therapy, is heavy and prognosis poor. MATERIAL AND METHODS: All cases of parotidectomy for PM of CSCC of the head and neck between 2005 and 2015 were studied retrospectively. Epidemiologic, oncologic and therapeutic data were analyzed. Overall and specific survival were calculated following Kaplan-Meier...
October 31, 2017: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/29097074/a-phase-ii-toxicity-end-point-trial-icorg-99-09-of-accelerated-dose-escalated-hypofractionated-radiation-in-non-small-cell-lung-cancer
#13
D N Cagney, P G Thirion, M T Dunne, C Fleming, D Fitzpatrick, C M O'Shea, M A Finn, S O'Sullivan, C Booth, C D Collins, S J Buckney, A Shannon, J G Armstrong
AIMS: The objective of this phase II clinical trial was to prospectively evaluate the safety and efficacy of accelerated hypofractionated three-dimensional conformal radiation therapy (3DCRT) in localised non-resectable/non-operable non-small cell lung cancer (NSCLC). MATERIALS AND METHODS: Sixty patients with stage I-III NSCLC were enrolled in a prospective single-arm All Ireland Co-operative Oncology Research Group (ICORG 99-09) toxicity end point phase II trial...
October 30, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/29079959/integrating-natural-language-processing-and-machine-learning-algorithms-to-categorize-oncologic-response-in-radiology-reports
#14
Po-Hao Chen, Hanna Zafar, Maya Galperin-Aizenberg, Tessa Cook
A significant volume of medical data remains unstructured. Natural language processing (NLP) and machine learning (ML) techniques have shown to successfully extract insights from radiology reports. However, the codependent effects of NLP and ML in this context have not been well-studied. Between April 1, 2015 and November 1, 2016, 9418 cross-sectional abdomen/pelvis CT and MR examinations containing our internal structured reporting element for cancer were separated into four categories: Progression, Stable Disease, Improvement, or No Cancer...
October 27, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/29079234/primary-tumor-and-tumor-like-lesions-of-bones-of-the-foot-single-center-experience-of-166-cases
#15
Devrim Özer, Osman Emre Aycan, Sait Turgay Er, Rahime Tanrıtanır, Yavuz Arıkan, Yavuz Selim Kabukçuoğlu
Primary bone tumors of the foot are rare lesions. The purpose of the present study was to evaluate the clinical manifestations, treatment modalities, and recurrences of various primary bone tumors of the foot from a specialized center for orthopedic oncology. Among 3681 musculoskeletal tumor cases, which were diagnosed and surgically treated in our hospital from 1983 to 2013, 166 primary tumor and tumor-like bone lesions of the foot (4.5%) were retrospectively reviewed regarding age, gender, localization, biopsy-revealed diagnosis, applied treatment modalities, follow-up period, and recurrence, if any...
November 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29075832/-68-ga-psma-11-ligand-pet-imaging-in-patients-with-biochemical-recurrence-after-radical-prostatectomy-diagnostic-performance-and-impact-on-therapeutic-decision-making
#16
B Grubmüller, P Baltzer, D D'Andrea, S Korn, A R Haug, M Hacker, K H Grubmüller, G M Goldner, W Wadsak, S Pfaff, J Babich, C Seitz, H Fajkovic, M Susani, P Mazal, G Kramer, S F Shariat, Markus Hartenbach
OBJECTIVE: To evaluate the diagnostic performance of [(68)Ga]Ga-PSMA(HBED-CC) conjugate 11 positron emission tomography (PSMA-PET) in the early detection of metastases in patients with biochemical recurrence (BCR) after radical prostatectomy (RP) for clinically non-metastatic prostate cancer, to compare it to CT/MRI alone and to assess its impact on further therapeutic decisions. MATERIAL AND METHODS: We retrospectively assessed 117 consecutive hormone-naïve BCR patients who had (68)Ga-PSMA 11 PET/CT (n = 46) or PET/MRI (n = 71) between May 2014 and January 2017...
October 26, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29067952/how-to-fill-the-cavity-after-curettage-of-giant-cell-tumors-around-the-knee-a-multicenter-analysis
#17
Kai Zheng, Xiu-Chun Yu, Yong-Cheng Hu, Zhen Wang, Su-Jia Wu, Zhao-Ming Ye
BACKGROUND: Intralesional excision with curettage is the standard method of giant cell tumor (GCT) treatment, but the ideal filling material after curettage remains controversial. The purpose of this study was to compare the oncological and functional outcomes which underwent cementation or bone grafting after GCT curettage around the knee. METHODS: We reported 136 cases with GCTs in distal femur or proximal tibia who accepted curettage from five clinical centers during the last 15 years...
November 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/29064758/a-comparison-of-radiologists-and-urologists-opinions-regarding-prostate-mri-reporting-results-from-a-survey-of-specialty-societies
#18
Benjamin Spilseth, Sangeet Ghai, Nayana U Patel, Samir S Taneja, Daniel J Margolis, Andrew B Rosenkrantz
OBJECTIVE: The purpose of this study is to compare radiologists' and urologists' opinions regarding prostate MRI reporting. SUBJECTS AND METHODS: Radiologist members of the Society of Abdominal Radiology and urologist members of the Society of Urologic Oncology received an electronic survey regarding prostate MRI reporting. RESULTS: The response rate was 12% (135/1155) for Society of Abdominal Radiology and 8% (54/663) for Society of Urologic Oncology members...
October 24, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29063052/quantitative-magnetic-resonance-imaging-biomarkers-in-oncological-clinical-trials-current-techniques-and-standardization-challenges
#19
REVIEW
Jie Deng, Yi Wang
Radiological imaging plays an important role in oncological trials to provide imaging biomarkers for disease staging, stratifying patients, defining dose setting, and evaluating the safety and efficacy of new candidate drugs and innovative treatment. This paper reviews the techniques of most commonly used quantitative magnetic resonance imaging (qMRI) biomarkers (dynamic contrast enhanced, dynamic susceptibility contrast, and diffusion weighted imaging) and their applications in oncological trials. Challenges of incorporating qMRI biomarkers in oncological trials are discussed including understanding biological mechanisms revealed by MRI biomarkers, consideration of rigorous trial design and standardized implementation of qMRI protocols...
March 25, 2017: Chronic Dis Transl Med
https://www.readbyqxmd.com/read/29061610/cross-sectional-study-of-the-provision-of-interventional-oncology-services-in-the-uk
#20
Jim Zhong, Peter Atiiga, Des J Alcorn, David Kay, Rowland Illing, David J Breen, Nicholas Railton, Ian J McCafferty, Philip J Haslam, Tze Min Wah
OBJECTIVE: To map out the current provision of interventional oncology (IO) services in the UK. DESIGN: Cross-sectional multicentre study. SETTING: All National Health Service (NHS) trusts in England and Scottish, Welsh and Northern Ireland health boards. PARTICIPANTS: Interventional radiology (IR) departments in all NHS trusts/health boards in the UK. RESULTS: A total of 179 NHS trusts/health boards were contacted...
October 22, 2017: BMJ Open
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