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https://www.readbyqxmd.com/read/28078116/pretreatment-tumor-volume-as-a-prognostic-factor-in-metastatic-colorectal-cancer-treated-with-selective-internal-radiation-to-the-liver-using-yttrium-90-resin-microspheres
#1
Neha Bhooshan, Navesh K Sharma, Shahed Badiyan, Adeel Kaiser, Fred M Moeslein, Young Kwok, Pradip P Amin, Svetlana Kudryasheva, Michael D Chuong
BACKGROUND: Yttrium-90 ((90)Y)-resin microspheres can prolong intrahepatic disease control and improve overall survival (OS) in patients with metastatic colorectal cancer (CRC). Prognostic factors for improved outcomes in patients undergoing selective internal radiation therapy (SIRT) have been studied, but the relationship between pre-SIRT liver tumor volume and outcomes has not well described. METHODS: We retrospectively reviewed the records of patients with metastatic CRC who were treated at our institution with (90)Y-resin microspheres...
December 2016: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28077100/incidence-of-solitary-pulmonary-nodules-in-northeastern-france-a-population-based-study-in-five-regions
#2
Émilie Marrer, Damien Jolly, Patrick Arveux, Catherine Lejeune, Marie-Christine Woronoff-Lemsi, Jérémie Jégu, Francis Guillemin, Michel Velten
BACKGROUND: The discovery of a solitary pulmonary nodule (SPN) on a chest imaging exam is of major clinical concern. However, the incidence rates of SPNs in a general population have not been estimated. The objective of this study was to provide incidence estimates of SPNs in a general population in 5 northeastern regions of France. METHODS: This population-based study was undertaken in 5 regions of northeastern France in May 2002-March 2003 and May 2004-June 2005...
January 11, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28074308/influence-of-ts-and-abcb1%C3%A2-gene-polymorphisms-on-survival-outcomes-of-5%C3%A2-fu-based-chemotherapy-in-a%C3%A2-chinese-population-of-advanced-gastric-cancer-patients
#3
Jun Chen, Xueming Ying, Ling Zhang, Xiaojun Xiang, Jianping Xiong
To investigate the impacts of gene variations on survival outcomes of advanced gastric cancer (AGC) patients treated with 5‑fluorouracil (5-FU)-based chemotherapy, we analyzed the associations of 2 indels of the TS gene rs34743033 (double or triple tandem repeats of a 28 bp sequence in 5'-UTR, denoted as 2R or 3R allele) and rs16430 (a 6 bp variation at 1494 bp in 3'-UTR, denoted as ins6 or del6 allele) and 2 single nucleotide polymorphisms (SNPs) of ABCB1gene rs2032582 in exon 21 and rs1045642 in exon 26, with clinical outcomes after 5‑FU treatment...
January 10, 2017: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/28070669/prospective-cohort-study-of-cancer-patients-diagnosed-with-incidental-venous-thromboembolism-on-routine-computed-tomography-scans
#4
Carmen P Escalante, Gregory W Gladish, Wei Qiao, Ali Zalpour, Binara Assylbekova, Shuwei Gao, Kelechi A Olejeme, Marsha N Richardson, Maria E Suarez-Almazor
PURPOSE: Venous thromboembolism (VTE) is a major complication of cancer with recent increasing reports of incidental VTE. The objectives are to estimate the prevalence of incidental VTE in cancer patients on staging CT scans, identify common symptoms, and determine VTE recurrence in a prospective study. PATIENTS AND METHODS: One thousand ninety patients were studied. Adult cancer patients scheduled for outpatient staging CT scans were eligible. VTE cases were followed for 6 months...
January 9, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28063696/association-of-post-treatment-positron-emission-tomography-with-locoregional-control-and-survival-after-radiation-therapy-for-squamous-cell-carcinoma-of-the-vulva
#5
Yuan James Rao, Comron Hassanzadeh, Anupama Chundury, Caressa Hui, Barry A Siegel, Farrokh Dehdashti, Todd DeWees, Daniel Mullen, Matthew A Powell, David G Mutch, Julie K Schwarz, Perry W Grigsby
BACKGROUND/PURPOSE: The aim of this study was to investigate the use of post-treatment F-18 fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) for vulvar cancer and compare metabolic response to clinical outcomes. MATERIALS/METHODS: This retrospective study included 21 patients with vulvar squamous cell carcinoma treated with curative-intent radiation between 2007 and 2015. All patients received intensity-modulated radiation treatment (IMRT), a pre-treatment FDG/PET-CT, and a post-treatment FDG-PET/CT performed at a median time of 3months post-IMRT...
January 4, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28061855/clinical-outcomes-and-prognostic-factors-for-gastric-cancer-patients-with-bone-metastasis
#6
Jota Mikami, Yutaka Kimura, Yoichi Makari, Junya Fujita, Tomoya Kishimoto, Genta Sawada, Shin Nakahira, Ken Nakata, Masaki Tsujie, Hiroki Ohzato
BACKGROUND: Bone metastasis due to gastric cancer is rare, and the clinical features have not been fully evaluated. We investigated the clinical features, treatment outcomes, and prognostic factors in gastric cancer patients with bone metastasis. METHODS: We retrospectively collected data on 34 consecutive patients who were diagnosed radiologically with bone metastasis due to gastric cancer. We estimated the overall survival after the diagnosis of bone metastasis using the Kaplan-Meier product-limit method and evaluated which clinicopathological factors were associated with prognostic factors for survival using univariate and multivariate Cox proportional hazards regression models...
January 6, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28060889/sequential-pet-ct-with-18f-fdg-predicts-pathological-tumor-response-to-preoperative-short-course-radiotherapy-with-delayed-surgery-in-patients-with-locally-advanced-rectal-cancer-using-logistic-regression-analysis
#7
Biagio Pecori, Secondo Lastoria, Corradina Caracò, Marco Celentani, Fabiana Tatangelo, Antonio Avallone, Daniela Rega, Giampaolo De Palma, Maria Mormile, Alfredo Budillon, Paolo Muto, Francesco Bianco, Luigi Aloj, Antonella Petrillo, Paolo Delrio
: Previous studies indicate that FDG PET/CT may predict pathological response in patients undergoing neoadjuvant chemo-radiotherapy for locally advanced rectal cancer (LARC). Aim of the current study is evaluate if pathological response can be similarly predicted in LARC patients after short course radiation therapy alone. METHODS: Thirty-three patients with cT2-3, N0-2, M0 rectal adenocarcinoma treated with hypo fractionated short course neoadjuvant RT (5x5 Gy) with delayed surgery (SCRTDS) were prospectively studied...
2017: PloS One
https://www.readbyqxmd.com/read/28058076/non-alcoholic-fatty-pancreatic-disease-a-review-of-literature
#8
REVIEW
Hassan Tariq, Suresh Nayudu, Sai Akella, Mariela Glandt, Sridhar Chilimuri
There is an epidemic of obesity worldwide. The prevalence of obesity has doubled over the last three decades. Obesity, especially abdominal obesity is associated with insulin resistance that can lead to pancreatic steatosis and non-alcoholic fatty pancreatic disease (NAFPD). NAFPD describes a phenotype entity ranging from deposition of fat in the pancreas to pancreatic inflammation, and resultant fibrosis, which is similar to that of non-alcoholic fatty liver disease (NAFLD). NAFPD may represent a meaningful manifestation of metabolic syndrome...
December 2016: Gastroenterology Research
https://www.readbyqxmd.com/read/28057913/humoral-hypercalcemia-in-uterine-cancers-a-case-report-and-literature-review
#9
Vijeyaluxmy Motilal Nehru, Gwenalyn Garcia, Juan Ding, Fanyi Kong, Qun Dai
BACKGROUND Paraneoplastic hypercalcemia is a well-described complication associated with a variety of malignancies. However, its incidence in gynecological malignancies is low. CASE REPORT A 53-year-old woman presented with progressive abdominal distention and irregular vaginal bleeding of several weeks' duration. A contrast CT abdomen and pelvis was significant for a mass in the lower uterine/cervical region, multiple peritoneal and omental masses, enlarged pelvic and paraaortic lymph nodes, and large-volume ascites...
January 6, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28057031/-18-fdg-pet-ct-for-predicting-the-outcome-in-er-her2-breast-cancer-patients-comparison-of-clinicopathological-parameters-and-pet-image-derived-indices-including-tumor-texture-analysis
#10
David Groheux, Antoine Martineau, Luis Teixeira, Marc Espié, Patricia de Cremoux, Philippe Bertheau, Pascal Merlet, Charles Lemarignier
BACKGROUND: This study investigated the value of some clinicopathological parameters and 18 F-fluorodeoxyglucose-positron emission tomography/computed tomography ((18)FDG-PET/CT) indices, including textural features, to predict event-free survival (EFS) in estrogen receptor-positive/human epidermal growth factor receptor 2-negative (ER+/HER2-) locally advanced breast cancer (BC) patients. METHODS: FDG-PET/CT indices and clinicopathological parameters were assessed before neoadjuvant chemotherapy (NAC)...
January 5, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28054532/polymorphisms-of-glucose-regulated-protein-78-and-clinical-relevance-of-neuroblastoma-risk-and-prognosis
#11
Jiao Zhang, Jiaxiang Wang, Qiuliang Liu, Jingyao Gao, Qi Wang
BACKGROUND: Neuroblastoma (NB) is the most common extracranial solid tumor in childhood. Glucose/regulated protein 78 (GRP78) is a stress-associated protein. It has been reported that overexpression of GRP78 occurs in various human cancers, and GRP78 polymorphisms have effect on the expression of GRP78 with possible function of predicting clinical outcome. Upregulation of GRP78 has been detected in NB. However, little is known about the relationship of GRP78 polymorphisms and the susceptibility of NB...
July 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28053630/displacement-of-surgical-clips-during-postoperative-radiotherapy-in-breast-cancer-patients-who-received-breast-conserving-surgery
#12
SooYoon Sung, Joo Hwan Lee, Jong Hoon Lee, Sung Hwan Kim, Yoo-Kang Kwak, Sea-Won Lee, Ye Won Jeon, Young Jin Suh
PURPOSE: Surgical clips are used as a target for postoperative breast radiotherapy, and displacement of surgical clips would result in inaccurate delivery of radiation. We investigated the displacement range of surgical clips in the breast during postoperative radiotherapy following breast-conserving surgery. METHODS: A total of 178 patients who received breast-conserving surgery and postoperative radiation of 59.4 Gy in 33 fractions to the involved breast for 6...
December 2016: Journal of Breast Cancer
https://www.readbyqxmd.com/read/28052939/no-association-between-radiation-dose-from-pediatric-ct-scans-and-risk-of-subsequent-hodgkin-lymphoma
#13
Amy Berrington de Gonzalez, Neige Journy, Choonsik Lee, Lindsay M Morton, Richard Harbron, Douglas R Stewart, Louise Parker, Alan W Craft, Kieran McHugh, Mark Little, Mark Pearce
BACKGROUND: We examined the relationship between estimated radiation dose from CT scans and subsequent Hodgkin lymphoma in the UK pediatric CT scans cohort. METHODS: A retrospective, record linkage cohort included patients aged 0-21 years who underwent CT scans between 1980 and 2002 and were followed up for cancer or death until 2008. Poisson regression analysis was used to evaluate the relationship between estimated radiation dose (lagged by two years) and incident Hodgkin lymphoma diagnosed at least two years after the first CT scan...
January 4, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28049295/64cu-labeled-trastuzumab-fab-peg24-egf-radioimmunoconjugates-bispecific-for-her2-and-egfr-pharmacokinetics-biodistribution-and-tumor-imaging-by-pet-in-comparison-to-monospecific-agents
#14
Luke Yongkyu Kwon, Deborah A Scollard, Raymond M Reilly
: Heterodimerization of EGFR with HER2 co-expressed in breast cancer (BC) promotes tumor growth and increased EGFR expression is associated with trastuzumab resistance. Our aim was to construct 64Cu-labeled bispecific radioimmunoconjugates (bsRIC) composed of trastuzumab Fab which binds HER2 linked through a polyethylene glycol (PEG24) spacer to EGF, and compare their pharmacokinetic, biodistribution and tumor imaging characteristics by positron-emission tomography (PET). bsRICs were generated by linking malemide modified trastuzumab Fab with thiolated EGF through a thioether bond...
January 3, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28048830/su-f-r-53-ct-based-radiomics-analysis-of-non-small-cell-lung-cancer-patients-treated-with-stereotactic-body-radiation-therapy
#15
E Huynh, T Coroller, V Narayan, V Agrawal, Y Hou, J Romano, I Franco, R Mak, H Aerts
PURPOSE: Stereotactic body radiation therapy (SBRT) is the standard of care for medically inoperable non-small cell lung cancer (NSCLC) patients and has demonstrated excellent local control and survival. However, some patients still develop distant metastases and local recurrence, and therefore, there is a clinical need to identify patients at high-risk of disease recurrence. The aim of the current study is to use a radiomics approach to identify imaging biomarkers, based on tumor phenotype, for clinical outcomes in SBRT patients...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048788/mo-fg-207a-03-radiation-and-cancer-perspectives-from-the-trenches-are-we-providing-care-or-promoting-scare
#16
D Frush
: There has been increasing use of CT scans globally. This increased use is not in itself of concern, and largely reflects the remarkable clinical benefits of CT. Inappropriate use of CT is, however, of concern, particularly as the potential for carcinogenic effects is yet to be fully understood. The first major media attention to cancer risk from CT scan arose from a series of papers and an Editorial published in AJR in 2001. This was followed by another series of papers in 2007 and associated media attention to the estimation of the number of cancer deaths that may occur in US as a result of radiation exposure from CT...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048737/mo-de-207b-01-jack-fowler-junior-investigator-competition-winner-between-somatic-mutations-and-pet-based-radiomic-features-in-non-small-cell-lung-cancer
#17
S Yip, J Kim, T Coroller, E Rios Velazquez, C Parmar, R Mak, H Aerts
PURPOSE: Although PET-based radiomic features have been proposed to quantify tumor heterogeneity and shown promise in outcome prediction, little is known about their relationship with tumor genetics. This study assessed the association of [(18) F]fluorodeoxyglucose (FDG)-PET-based radiomic features with non-small cell lung cancer (NSCLC) mutations. METHODS: 348 NSCLC patients underwent FDG-PET/CT scans before treatment and were tested for genetic mutations. 13% (44/348) and 28% (96/348) patients were found to harbor EGFR (EGFR+) and KRAS (KRAS+) mutations, respectively...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048364/we-fg-207a-01-introduction-to-dedicated-breast-ct-early-studies
#18
S Vedantham
: Mammography-based screening has been a valuable imaging tool for the early detection of non-palpable lesions and has contributed to significant reduction in breast cancer associated mortality. However, the breast imaging community recognizes that mammography is not ideal, and in particular is inferior for women with dense breasts. Also, the 2-D projection of a 3-D organ results in tissue superposition contributing to false-positives. The sensitivity of mammography is breast-density dependent...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048258/su-f-r-47-quantitative-shape-relationship-analysis-of-ptv-modification-for-critical-anatomy-sparing-and-its-impact-on-pathologic-response-for-neoadjuvant-stereotactic-radiotherapy-for-pancreatic-cancer
#19
Z Cheng, L Rosati, L Chen, S Robertson, J Moore, L Peng, O Mian, A Narang, A Hacker-Prietz, J Herman, T McNutt
PURPOSE: Stereotactic body radiation therapy (SBRT) may be used to increase surgery candidacy in borderline resectable (BRPC) and locally advanced (LAPC) pancreatic cancer. However, the planning target volume (PTV) may need to be limited to avoid toxicity when the gross tumor volume (GTV) is anatomically involved with surrounding critical structures. Our study aims to characterize the coverage of GTV and investigate the association between modified PTV and pathologic (pCR) or near pathologic (npCR) complete response rates determined from the surgical specimen...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048091/su-f-r-50-radiation-induced-changes-in-ct-number-histogram-during-chemoradiation-therapy-for-pancreatic-cancer
#20
X Chen, D Schott, Y Song, D Li, W Hall, B Erickson, X Li
PURPOSE: In an effort of early assessment of treatment response, we investigate radiation induced changes in CT number histogram of GTV during the delivery of chemoradiation therapy (CRT) for pancreatic cancer. METHODS: Diagnostic-quality CT data acquired daily during routine CT-guided CRT using a CT-on-rails for 20 pancreatic head cancer patients were analyzed. All patients were treated with a radiation dose of 50.4 in 28 fractions. On each daily CT set, the contours of the pancreatic head and the spinal cord were delineated...
June 2016: Medical Physics
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