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https://www.readbyqxmd.com/read/28646594/prevalence-and-prognosis-of-low-volume-oligorecurrent-hormone-sensitive-prostate-cancer-amenable-to-lesion-ablative-therapy
#1
Aurélie De Bruycker, Bieke Lambert, Tom Claeys, Louke Delrue, Chamberlain Mbah, Gert De Meerleer, Geert Villeirs, Filip De Vos, Kathia De Man, Karel Decaestecker, Valérie Fonteyne, Nicolaas Lumen, Filip Ameye, Ignace Billiet, Steven Joniau, Friedl Vanhaverbeke, Wim Duthoy, Piet Ost
OBJECTIVES: To describe the anatomical patterns of PCa recurrence following primary therapy and investigate if patients with low-volume disease have a better prognosis as compared to their counterparts. MATERIAL AND METHODS: Patients eligible for a F18-choline PET-CT were entered in a prospective cohort study. Eligible patients had an asymptomatic biochemical recurrence following primary PCa treatment and testosterone levels >50 ng/ml. The number of lesions were counted per scan...
June 24, 2017: BJU International
https://www.readbyqxmd.com/read/28635336/new-advances-in-focal-therapy-for-early-stage-prostate-cancer
#2
Kae Jack Tay, Ariel A Schulman, Christina Sze, Efrat Tsivian, Thomas J Polascik
Prostate focal therapy offers men the opportunity to achieve oncological control while preserving sexual and urinary function. The prerequisites for successful focal therapy are to accurately identify, localize and completely ablate the clinically significant cancer(s) within the prostate. We aim to evaluate the evidence for current and upcoming technologies that could shape the future of prostate cancer focal therapy in the next five years. Areas Covered: Current literature on advances in patient selection using imaging, biopsy and biomarkers, ablation techniques and adjuvant treatments for focal therapy are summarized...
June 21, 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/28593161/surgical-management-of-a-coronary-bronchial-artery-fistula-combined-with-myocardial-ischemia-revealed-by-13-n-ammonia-positron-emission-tomography
#3
Hang Jun Choi, Hwan Wook Kim, Do Yeon Kim, Kuk Bin Choi, Keon Hyon Jo
A 71-year-old male with known bronchiectasis and atrial fibrillation was admitted to Seoul St. Mary's Hospital with recurrent transient ischemic attack. Radiofrequency ablation was performed to resolve the patient's atrial fibrillation, but failed. However, a fistula between the left circumflex artery and the bilateral bronchial arteries was found on computed tomography. Fistula ligation and a left-side maze operation were planned due to his recurrent symptom of dizziness, and these procedures were successfully performed...
June 2017: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28588229/diagnostic-performance-of-18-f-fdg-pet-ct-in-papillary-thyroid-carcinoma-with-negative-131-i-wbs-at-first-postablation-negative-tg-and-progressively-increased-tgab-level
#4
Zhong-Ling Qiu, Wei-Jun Wei, Chen-Tian Shen, Hong-Jun Song, Xin-Yun Zhang, Zhen-Kui Sun, Quan-Yong Luo
Differentiated thyroid cancer (DTC) patients with negative serum thyroglobulin (Tg), negative (131)I whole-body scintigraphy ((131)I-WBS) at first post-ablation and progressively increased TgAb level are a relatively rare entity in the follow-up after total thyroidectomy and radioactive iodine therapy. The value of (18)F-FDG PET/CT in detecting the recurrence of disease in these patients has only been reported in a small case series. The goal of this study was to investigate the diagnostic accuracy of (18)F-FDG PET/CT in detecting recurrent disease in these specific PTC patients and to identify risk factors for patients with positive (18)F-FDG PET/CT results...
June 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28571704/percutaneous-radiofrequency-ablation-of-lung-metastases-from-colorectal-carcinoma-under-c-arm-cone-beam-ct-guidance
#5
G Amouyal, S Pernot, C Déan, B Cholley, F Scotté, M Sapoval, O Pellerin
PURPOSE: The aim of this study was to assess the feasibility, safety and efficacy of percutaneous radiofrequency ablation of lung metastases from colorectal carcinoma using C-arm cone beam computed tomography (CBCT) guidance. MATERIAL AND METHODS: This single-center prospective observational study was performed from August 2013 to August 2016, and included consecutive patients referred for radiofrequency ablation of lung metastases from colorectal cancer. Radiofrequency ablation procedures were performed under C-arm CBCT guidance...
May 29, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28540783/role-of-dual-energy-computed-tomography-in-detecting-early-recurrences-of-lung-tumours-treated-with-radiofrequency-ablation
#6
Jean Izaaryene, Vincent Vidal, Jean-Michel Bartoli, Anderson Loundou, Jean-Yves Gaubert
PURPOSE: Detecting a recurrence after lung radiofrequency ablation (RFA) is based on a group of arguments that include CT, positron emission tomography (PET-CT) at 3 months and clinical patient follow-up. There is no one examination that is absolutely reliable. Recurrences are diagnosed tardily, when the cancers are locally extended, or when the patients are metastatic. The purpose of this article is to investigate the utility of dual-energy computed tomography (DECT) in order to assess therapeutic responses to RFA for lung neoplasia...
March 23, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28535660/-clinical-investigation-on-ct-guided-cryoablation-for-treating-invasive-chest-wall-or-pleural-tumors
#7
M Wang, Y W Pan, Z G Zhou, Y Cui, K P Du, S Li
Objective: To evaluate the feasibility and short-term effect of CT guided cryoablation for malignant chest wall or pleural involvement. Methods: To follow up 22 patients with chest wall or pleural involvement of various malignancies who underwent cryoablation from January 2012 to January 2015 by conducting postoperative 1-, 3- and 6-month enhanced CT, MRI or PET-CT examinations, respectively, evaluate local curative effect, and observe their progression-free survival (PFS), postoperative pain remission and complications after the cryoablation...
May 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28513128/clinical-features-of-recently-diagnosed-papillary-thyroid-carcinoma-in-elderly-patients-aged-65-and-older-based-on-10-years-of-sonographic-experience-at-a-single-institution-in-korea
#8
Eun Sil Kim, Younghen Lee, Hyungsuk Seo, Gil Soo Son, Soon Young Kwon, Young-Sik Kim, Ji-A Seo, Nan Hee Kim, Sang-Il Suh, Inseon Ryoo, Sung-Hye You
Purpose: The aim of this study was to assess the characteristics of papillary thyroid carcinoma (PTC) in patients aged 65 and older in order to predict postoperative recurrence based on the results of ultrasonographic surveillance. Methods: Among 1,494 patients (200 male and 1,294 female; mean age, 46.6±11.3 years) who underwent surgery for thyroid cancer at our institution between 2006 and 2015, we retrospectively enrolled 150 PTC patients (29 male and 121 female; mean age, 69...
April 13, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28507839/issues-in-managing-hurthle-cell-carcinoma-of-thyroid-a-case-report
#9
Patricia Tai, Martin Korzeniowski, Evgeny Sadikov, Kurian Joseph, Angus Kirby, Jon Tonita, Aamer Mahmud
A 61-year-old woman noticed a right neck lump in October 2001. Fine needle aspiration showed follicular neoplasm, adenoma versus carcinoma. The ultrasound scan showed a solid mass of maximum dimension of 3.7 cm. She had a right thyroid lobectomy and isthmectomy in January 2002 (first surgery). The tissue specimen showed a 4.5 cm Hurthle cell carcinoma (HCC) with vascular invasion. There were no capsular invasion, extra-thyroidal extension, or margin involvement. A completion left lobectomy (second surgery) was performed two weeks later...
April 14, 2017: Curēus
https://www.readbyqxmd.com/read/28473286/characterization-of-a-novel-murine-model-for-spontaneous-hemorrhagic-stroke-using-in-vivo-pet-and-mr-multiparametric-imaging
#10
Salvador Castaneda Vega, Christine Weinl, Carsten Calaminus, Lisa Wang, Maren Harant, Walter Ehrlichmann, Dennis Thiele, Ursula Kohlhofer, Gerald Reischl, Johann-Martin Hempel, Ulrike Ernemann, Leticia Quintanilla Martinez, Alfred Nordheim, Bernd J Pichler
The clinical use of Magnetic Resonance Imaging (MRI) and Positron Emission Tomography (PET) has proven to be a strong diagnostic tool in the field of neurology. The reliability of these methods to confirm clinical diagnoses has guided preclinical research to utilize these techniques for the characterization of animal disease models. Previously, we demonstrated that an endothelial cell-specific ablation of the murine Serum Response Factor (Srf(iECKO)) results in blood brain barrier (BBB) breakdown and hemorrhagic stroke...
May 1, 2017: NeuroImage
https://www.readbyqxmd.com/read/28470395/irreversible-electroporation-to-treat-malignant-tumor-recurrences-within-the-pelvic-cavity-a-case-series
#11
L G P H Vroomen, H J Scheffer, M C A M Melenhorst, N van Grieken, M P van den Tol, M R Meijerink
OBJECTIVE: To describe the initial experience with irreversible electroporation (IRE) to treat pelvic tumor recurrences. METHODS: A retrospective single-center analysis was performed. Adverse events were recorded using Common Terminology Criteria of Adverse Events (CTCAE) 4.0. Clinical outcome was determined using pain- and general- symptom assessment, including Seddon's peripheral nerve injury (PNI) types. Radiological outcome was evaluated by comparing baseline with three-month 18F-FDG PET-CT follow-up...
May 3, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28462646/primary-giant-aggressive-amelanotic-duodenal-melanoma
#12
R Kilambi, A N Singh, N R Dash, K S Madhusudhan, P Das
Primary malignant melanoma of the gastrointestinal tract is extremely rare. A 35-year-old man presented with complaints of abdominal pain and weight loss. Contrast enhanced computed tomography showed a large mass involving the duodenum and the superior mesenteric vessels. Upper gastrointestinal endoscopy demonstrated a large, friable mass along the duodenal wall and biopsy was suggestive of malignant melanoma. A detailed physical examination and whole body imaging (positron emission tomography and computed tomography) did not reveal any other lesion...
May 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/28452797/a-national-survey-of-computed-tomography-doses-in-hybrid-pet-ct-and-spect-ct-examinations-in-the-uk
#13
Gareth R Iball, Natalie A Bebbington, Maria Burniston, Sue Edyvean, Louise Fraser, Peter Julyan, Nasreen Parkar, Tim Wood
OBJECTIVES: The aim of this study was to conduct a nationwide survey of computed tomography (CT) doses for a wide range of PET-CT and single photon emission computed tomography-computed tomography (SPECT-CT) imaging procedures, with the aim of generating proposed UK national diagnostic reference levels (NDRLs). METHODS: CT protocol and dosimetry data for three PET-CT and seven SPECT-CT examinations were gathered from centres across the UK. Data were divided according to CT purpose (attenuation correction, localization or diagnostic) and third quartile values of scanner average dose metrics were used to generate suggested NDRLs for a range of examination and CT purpose combinations...
June 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28429512/tailored-approach-for-management-of-ventricular-tachycardia-in-cardiac-sarcoidosis
#14
Sachin Yalagudri, Ngwe Zin Thu, Soumen Devidutta, Daljeet Saggu, Ajit Thachil, Sridevi Chennapragada, Calambur Narasimhan
INTRODUCTION: Treating ventricular tachycardia (VT) in patients with cardiac sarcoidosis (CS) is challenging as patients present in different phase of the disease (inflammatory, scar or sometimes both). A customized approach to treatment is required for better outcomes. We describe our experience in the management of VT in CS based on the phase of the disease. METHODS AND RESULTS: Patients were considered to have myocardial inflammation if there was an increased myocardial (18) Fluoro Deoxy Glucose (FDG) uptake in PET-CT scan of the chest (n=14)...
April 21, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28391424/optimal-radiation-therapy-for-small-cell-lung-cancer
#15
REVIEW
Michael F Gensheimer, Billy W Loo
Radiation therapy plays an important role in the management of both limited stage and extensive stage small cell lung cancer. For limited stage disease, there has been a trend toward reduced size of thoracic radiation fields, which has the potential to reduce toxicity. FDG-PET staging helps make this possible by more accurately identifying areas of nodal and metastatic involvement. Trials have demonstrated similar outcomes using a range of radiation fractionation schedules, allowing flexibility in individualizing treatment...
April 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/28385727/multicenter-clinical-and-imaging-evaluation-of-targeted-radiofrequency-ablation-t-rfa-and-cement-augmentation-of-neoplastic-vertebral-lesions
#16
Melinda Reyes, Mark Georgy, Lorenzo Brook, Orlando Ortiz, Allan Brook, Vikas Agarwal, Mario Muto, Luigi Manfre, Stefano Marcia, Bassem A Georgy
BACKGROUND: Treatment of spinal metastatic lesions by radiofrequency ablation (RFA) before cementation can potentially help in local tumor control and pain relief. This is often limited by access and tumor location. This study reports multicenter clinical and imaging outcomes following targeted RFA (t-RFA) and cement augmentation in neoplastic lesions of the spine. MATERIAL AND METHODS: A retrospective multicenter study of 49 patients with 72 painful vertebral lesions, evaluated for clinical and imaging outcomes following RFA and cement augmentation of spinal metastatic lesions, was undertaken...
April 6, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28380420/imaging-and-targeted-therapy-of-pancreatic-ductal-adenocarcinoma-using-the-theranostic-sodium-iodide-symporter-nis-gene
#17
Kathrin A Schmohl, Aayush Gupta, Geoffrey K Grünwald, Marija Trajkovic-Arsic, Kathrin Klutz, Rickmer Braren, Markus Schwaiger, Peter J Nelson, Manfred Ogris, Ernst Wagner, Jens T Siveke, Christine Spitzweg
The theranostic sodium iodide symporter (NIS) gene allows detailed molecular imaging of transgene expression and application of therapeutic radionuclides. As a crucial step towards clinical application, we investigated tumor specificity and transfection efficiency of epidermal growth factor receptor (EGFR)-targeted polyplexes as systemic NIS gene delivery vehicles in an advanced genetically engineered mouse model of pancreatic ductal adenocarcinoma (PDAC) that closely reflects human disease. PDAC was induced in mice by pancreas-specific activation of constitutively active KrasG12D and deletion of Trp53...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28346656/7-year-follow-up-after-stereotactic-ablative-radiotherapy-for-patients-with-stage-i-non-small-cell-lung-cancer-results-of-a-phase-2-clinical-trial
#18
Bing Sun, Eric D Brooks, Ritsuko U Komaki, Zhongxing Liao, Melenda D Jeter, Mary F McAleer, Pamela K Allen, Peter A Balter, James D Welsh, Michael S O'Reilly, Daniel Gomez, Stephen M Hahn, Jack A Roth, Reza J Mehran, John V Heymach, Joe Y Chang
BACKGROUND: The authors evaluated the efficacy, patterns of failure, and toxicity of stereotactic ablative radiotherapy (SABR) for patients with medically inoperable, clinical stage I non-small cell lung cancer (NSCLC) in a prospective clinical trial with 7 years of follow-up. Clinical staging was performed according to the seventh edition of the American Joint Committee on Cancer TNM staging system. METHODS: Eligible patients with histologically confirmed NSCLC of clinical stage I as determined using positron emission tomography staging were treated with SABR (50 grays in 4 fractions)...
March 27, 2017: Cancer
https://www.readbyqxmd.com/read/28333548/utility-of-pet-ct-after-cryoablation-for-early-identification-of-local-tumor-progression-in-osseous-metastatic-disease
#19
Ann T Packard, Stephen M Broski, Matthew R Callstrom, Thomas D Atwell, Grant D Schmit, John J Schmitz, Jonathan M Morris, Christopher H Hunt, A Nicholas Kurup
OBJECTIVE: The purpose of this study is to evaluate the utility of combined PET/CT for the detection of early local tumor progression after cryoablation of bone metastases. MATERIALS AND METHODS: A retrospective single-institution review revealed 61 consecutive patients with 80 separate bone metastases treated with cryoablation who were evaluated with a preablation PET/CT and at least two postablation PET/CT examinations between September 2007 and July 2015. Patients were excluded if they had local therapy or pathologic fracture after ablation...
March 23, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28317583/the-diagnostic-performance-of-18-f-fdg-pet-ct-ct-and-mri-in-the-treatment-evaluation-of-ablation-therapy-for-colorectal-liver-metastases-a-systematic-review-and-meta-analysis
#20
REVIEW
M Samim, I Q Molenaar, M F J Seesing, P S N van Rossum, M A A J van den Bosch, T J M Ruers, I H M Borel Rinkes, R van Hillegersberg, M G E H Lam, H M Verkooijen
PURPOSE: Uncertainty exists regarding the optimal imaging modality for timely detection of disease progression (DP) after ablation therapy for colorectal liver metastases. We evaluated the diagnostic accuracy of (18)F-FDG PET(/CT), CT and MRI for detection of DP following ablation therapy. METHODS: A systematic search was performed on May 18, 2016. The analysis included studies that reported on the diagnostic accuracy of (18)F-FDG PET(/CT), CT and/or MRI for post-ablative evaluation of patients with liver metastases...
March 2017: Surgical Oncology
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