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https://www.readbyqxmd.com/read/28091728/value-of-nonrigid-registration-of-pre-procedure-mr-with-post-procedure-ct-after-radiofrequency-ablation-for-hepatocellular-carcinoma
#1
Juil Park, Jeong Min Lee, Dong Ho Lee, Ijin Joo, Jeong Hee Yoon, Jin Young Park, Ernst Klotz
PURPOSE: To evaluate the value of pre-radiofrequency ablation (RFA) MR and post-RFA CT registration for the assessment of the therapeutic response of hepatocellular carcinoma (HCC). MATERIALS AND METHODS: A total of 178 patients with single HCC who received RFA as an initial treatment and had available pre-RFA MR and post-RFA CT images were included in this retrospective study. Two independent readers (one experienced radiologist, one inexperienced radiologist) scored the ablative margin (AM) of treated tumors on a four-point scale (1, residual tumor; 2, incomplete AM; 3, borderline AM; 4, sufficient AM), in two separate sessions: (1) visual comparison between pre-and post-RFA images; (2) with addition of nonrigid registration for pre- and post-RFA images...
January 13, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28088245/the-value-of-dynamic-contrast-enhanced-mri-in-characterizing-complex-ovarian-tumors
#2
Hai-Ming Li, Jin-Wei Qiang, Feng-Hua Ma, Shu-Hui Zhao
BACKGROUND: The study aimed to investigate the utility of dynamic contrast enhanced MRI (DCE-MRI) in the differentiation of malignant, borderline, and benign complex ovarian tumors. METHODS: DCE-MRI data of 102 consecutive complex ovarian tumors (benign 15, borderline 16, and malignant 71), confirmed by surgery and histopathology, were analyzed retrospectively. The patterns (I, II, and III) of time-signal intensity curve (TIC) and three semi-quantitative parameters, including enhancement amplitude (EA), maximal slope (MS), and time of half rising (THR), were evaluated and compared among benign, borderline, and malignant ovarian tumors...
January 14, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28078482/irreversible-electroporation-as-treatment-of-locally-advanced-and-as-margin-accentuation-in-borderline-resectable-pancreatic-adenocarcinoma
#3
P Marsanic, A Mellano, A Sottile, M De Simone
In recent years, many local ablation technologies based on thermal damage have been used in the treatment of locally advanced pancreatic carcinoma (LAPC) and borderline resectable pancreatic carcinoma (BLRPC). However, they are associated with major complications because of possible vascular and ductal damage. Irreversible electroporation (IRE) is a nonthermal ablation technology that seems safe near vital vascular and ductal structures. IRE could be used as exclusive treatment of LAPC (en situ to IRE) after induction chemotherapy In BLRPC, surgery is not really radical in 6% of patients (microscopic residual) and local recurrences occur in 11-42% of apparent radical resections...
January 11, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28078436/adhering-to-the-2014-who-terminology-on-borderline-ovarian-tumors
#4
Jaime Prat
No abstract text is available yet for this article.
January 12, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28077117/topoisomerase-i-copy-number-alterations-as-biomarker-for-irinotecan-efficacy-in-metastatic-colorectal-cancer
#5
Jesper Andreas Palshof, Estrid Vilma Solyom Høgdall, Tim Svenstrup Poulsen, Dorte Linnemann, Benny Vittrup Jensen, Per Pfeiffer, Line Schmidt Tarpgaard, Nils Brünner, Jan Stenvang, Mette Yilmaz, Dorte Lisbet Nielsen
BACKGROUND: No biomarker exists to guide the optimal choice of chemotherapy for patients with metastatic colorectal cancer. We examined the copy numbers (CN) of topoisomerase I (TOP1) as well as the ratios of TOP1/CEN-20 and TOP1/CEN-2 as biomarkers for irinotecan efficacy in patients with metastatic colorectal cancer. METHODS: From a national cohort, we identified 163 patients treated every third week with irinotecan 350 mg/m(2) as second-line therapy. Among these 108 were eligible for analyses and thus entered the study...
January 11, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28072970/-histologic-classification-and-prognosis-factors-in-phyllodes-tumors-of-breast
#6
C Jia, F Mei, J Y Liu, H M Zhao, Y T Lei, J Su, S S Huang, J Zheng, J F You
Objective: To study the relationship between morphological characteristics, grading, diagnosis and prognosis in phyllodes tumors (PT) of the breast. Methods: A retrospective study was carried out on 83 PTs diagnosed between 1999 and 2003 that were classified semi-quantitatively according to the WHO recommendation. Follow-up data was available for some cases, and Cox regression analysis was used to evaluate factors affecting metastasis and recurrence. Results: All cases were classified into the benign (57.8%), borderline (28...
January 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28066593/diagnostic-performance-of-core-needle-biopsy-in-identifying-breast-phyllodes-tumors
#7
Zhi-Rui Zhou, Chen-Chen Wang, Xiang-Jie Sun, Zhao-Zhi Yang, Xiao-Li Yu, Xiao-Mao Guo
BACKGROUND: A retrospective analysis of diagnoses was performed in patients with phyllodes tumors of the breast (PTB) who received preoperative core needle biopsy (CNB) and had breast surgery at Fudan University Shanghai Cancer Center from January 1, 2002 to April 1, 2013. The resulting data allowed us to compare the accordance between CNB and excision diagnoses of PTB patients and evaluate the accuracy of CNB in preoperative diagnosis. METHODS: Data from 128 patients with PTB who had undergone preoperative CNB and breast surgery were retrospectively analyzed...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28064462/value-of-apparent-diffusion-coefficient-prior-to-neoadjuvant-therapy-is-a-predictor-of-histologic-response-in-patients-with-borderline-resectable-pancreatic-carcinoma
#8
Ken-Ichi Okada, Seiko Hirono, Manabu Kawai, Motoki Miyazawa, Atsushi Shimizu, Yuji Kitahata, Masaki Ueno, Shinya Hayami, Fumiyoshi Kojima, Hiroki Yamaue
BACKGROUND/PURPOSE: The parameters to predict histological response to neoadjuvant therapy remain controversial in borderline resectable pancreatic carcinoma (BRPC). METHODS: Twenty-four patients who underwent diffusion-weighted magnetic resonance imaging (DW-MRI) prior to expected neoadjuvant chemo/chemoradiotherapy and surgery were reviewed retrospectively. Analyses for correlation between percent tumor cell destruction and the following was performed to investigate the parameter and cut off value: tumor size, whole tumor apparent diffusion coefficient (ADC) value of DW-MRI, maximum standardized uptake value of (18) F-fluorodeoxyglucose positron emission tomography, carbohydrate antigen 19-9, and their change ratios...
January 8, 2017: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/28057293/fibroepithelial-breast-lesions-diagnosed-by-core-needle-biopsy-demonstrate-a-moderate-rate-of-upstaging-to-phyllodes-tumors
#9
Gabriel Marcil, Stephanie Wong, Nora Trabulsi, Alexandra Allard-Coutu, Armen Parsyan, Atilla Omeroglu, Gulbeyaz Atinel, Benoit Mesurolle, Sarkis Meterissian
BACKGROUND: Fibroepithelial lesions of the breast (FEL) are atypical lesions diagnosed on core-needle biopsy. The purpose of this study was to determine the rate at which FELs are upstaged to phyllodes tumor on excision, and to examine the clinical and radiological factors that may be predictive of upstaging. METHODS: A retrospective review from the medical records of patients diagnosed with FEL on CNB at a single institution between 2010 and 2015 was performed...
December 27, 2016: American Journal of Surgery
https://www.readbyqxmd.com/read/28056259/-progress-in-neoadjuvant-and-transformation-therapy-of-pancreatic-cancer
#10
D D Hu, M H Dai
Pancreatic adenocarcinoma is a malignant disease with considerable metastatic potential.While surgical resection can be potentially curative, tumor recurrence remains an important cause of treatment failure.Neoadjuvant chemotherapy can increase rate of resectability by decreasing tumor burden and decrease recurrence rate by clearing microscopic disease in lymph nodes and vessels.Currently, neoadjuvant therapy is recommended for patients with resectable who has signs of high risks or borderline resectable pancreatic adenocarcinoma...
January 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28054192/five-year-actual-overall-survival-in-resected-pancreatic-cancer-a-contemporary-single-institution-experience-from-a-multidisciplinary-perspective
#11
Vincent J Picozzi, Stephen Y Oh, Alicia Edwards, Margaret T Mandelson, Russell Dorer, Flavio G Rocha, Adnan Alseidi, Thomas Biehl, L William Traverso, William S Helton, Richard A Kozarek
BACKGROUND: Successful surgical resection combined with effective perioperative therapy is essential for maximizing long-term survival for pancreatic adenocarcinoma. PATIENTS AND METHODS: All patients with pancreatic adenocarcinoma who underwent curative resection at our institution from January 2003 to May 2010 were reviewed. Demographic and clinical details were retrospectively collected from medical records and cancer registry data. RESULTS: Overall, 176 patients were included in the analysis (148 with de novo resectable disease and 28 with borderline resectable disease at presentation)...
January 4, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28051275/ratio-of-proliferation-markers-and-hsp90-gene-expression-as-a-predictor-of-pathological-complete-response-in-breast-cancer-neoadjuvant-chemotherapy
#12
Michal Jarzab, Monika Kowal, Wieslaw Bal, Malgorzata Oczko-Wojciechowska, Justyna Rembak-Szynkiewicz, Malgorzata Kowalska, Ewa Stobiecka, Ewa Chmielik, Tomasz Tyszkiewicz, Malgorzata Kaszuba, Elzbieta Nowicka, Barbara Lange, Agnieszka Czarniecka, Jolanta Krajewska, Alicja Dyla, Miroslaw Dobrut, Dariusz Lange, Barbara Jarzab, Barbara Bobek-Billewicz, Rafal Tarnawski
INTRODUCTION: Prediction of response to preoperative breast cancer chemotherapy may offer a substantial optimization of medical management of this disease. The most efficient prediction would be done a priori, before the start of chemotherapy and based on the biological features of patient and tumor. Numerous markers have been proposed but none of them has been applied as a routine. The role of MKI67 and HSP90 expression has been recently suggested to predict treatment sensitivity in HER2-positive breast cancer...
January 4, 2017: Folia Histochemica et Cytobiologica
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
#13
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/28043760/endoscopic-ultrasonography-complements-computed-tomography-in-predicting-portal-or-superior-mesenteric-vein-resection-in-patients-with-borderline-resectable-pancreatic-carcinoma
#14
Evan S Glazer, Omar M Rashid, Jason B Klapman, Cynthia L Harris, Pamela J Hodul, Jose M Pimiento, Mokenge P Malafa
BACKGROUND: Current guidelines recommend computed tomographic (CT) scans for vascular staging of patients with pancreatic carcinoma; however, endoscopic ultrasonography (EUS) in these patients is not required and its utility in combination with CT scan is less well-defined. The purpose of this study is to explore the utility of EUS in addition to CT in identifying patients with borderline resectable pancreatic carcinoma (BRPC). METHODS: We reviewed our database of patients with BRPC who went to surgery with curative intent...
December 5, 2016: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28041594/malignant-and-borderline-epithelial-ovarian-tumors-in-the-pediatric-and-adolescent-population
#15
Dimitrios Nasioudis, Michail Alevizakos, Kevin Holcomb, Steven S Witkin
OBJECTIVES: Malignant and borderline ovarian tumors of epithelial origin are rarely encountered among prepubertal girls and adolescents. The aim of this population-based study was to elucidate their clinicopathological characteristics and prognosis using a multi-institutional tumor registry. STUDY DESIGN AND OUTCOMES: The National Cancer Institute's Surveillance, Epidemiology, and End Results database was accessed and a cohort of females aged <=19years old, diagnosed between 1988 and 2013 with a borderline ovarian tumor (BOT) or a malignant epithelial ovarian carcinoma (EOC) was accessed...
February 2017: Maturitas
https://www.readbyqxmd.com/read/28030849/combined-and-individual-tumor-specific-expression-of-insulin-like-growth-factor-i-receptor-insulin-receptor-and-phospho-insulin-like-growth-factor-i-receptor-insulin-receptor-in-primary-breast-cancer-implications-for-prognosis-in-different-treatment-groups
#16
Sofie Björner, Ann H Rosendahl, Maria Simonsson, Andrea Markkula, Karin Jirström, Signe Borgquist, Carsten Rose, Christian Ingvar, Helena Jernström
Clinical trials examining insulin-like growth factor-I receptor (IGF1R)-targeting strategies have emphasized that better predictive biomarkers are required to improve patient selection.Immunohistochemical tumor-specific protein expression of IGF1R, insulin receptor (InsR), and phosphorylated IGF1R/InsR (pIGF1R/InsR) individually and combined in relation to breast cancer prognosis was evaluated in a population-based cohort of 1,026 primary invasive breast cancer patients without preoperative treatment diagnosed in Sweden...
December 21, 2016: Oncotarget
https://www.readbyqxmd.com/read/28027973/the-role-of-imaging-tools-for-the-diagnosis-of-borderline-ovarian-tumors-a-systematic-review-and-meta-analysis
#17
REVIEW
Giuliano Moysés Borrelli, Leandro Accardo de Mattos, Marina de Paula Andres, Manoel Orlando da Costa Gonçalves, Rosanne M Kho, Mauricio Simões Abrão
Borderline ovarian tumors (BOTs) are tumors with low malignant potential that occurs most often in young women. Its preoperative diagnosis can improve surgical strategy and reproductive approach. This study systematically reviews the literature for the accuracy of transvaginal ultrasound (TVUS), magnetic resonance (MRI) and computed tomography (CT) in the diagnostic of borderline ovarian tumors. We conducted a search in Pubmed/Medline of articles in English of the last 5 years and included 14 studies for systematic review and 9 of them in the meta-analysis...
December 24, 2016: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28025670/ovarian-borderline-tumors-in-the-2014-who-classification-evolving-concepts-and-diagnostic-criteria
#18
REVIEW
Steffen Hauptmann, Katrin Friedrich, Raymond Redline, Stefanie Avril
Borderline ovarian tumors (BOT) are uncommon but not rare epithelial ovarian neoplasms, intermediate between benign and malignant categories. Since BOT were first identified >40 years ago, they have inspired controversies disproportionate to their incidence. This review discusses diagnostic criteria for the histologic subtypes of BOT, highlighting areas of diagnostic challenges, ongoing controversies, and changes in terminology implemented by the recent 2014 WHO Classification of Tumours of the Female Genital Organs...
December 27, 2016: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28004457/clinical-and-ultrasound-characteristics-of-surgically-removed-adnexal-lesions-with-a-largest-diameter-%C3%A2-2-5-cm-a-pictorial-essay
#19
A Di Legge, P Pollastri, R Mancari, M Ludovisi, F Mascilini, D Franchi, D Jurkovic, M E Coccia, D Timmerman, G Scambia, A Testa, L Valentin
OBJECTIVES: The aim was to describe the ultrasound characteristics, the indications for surgery and the histological diagnoses of surgically removed adnexal masses with largest diameter <2.5 cm ("very small tumors"), to estimate sensitivity and specificity with regard to malignancy of subjective assessment of ultrasound images of very small tumors, and to present a gallery of ultrasound images of surgically removed very small tumors especially those causing diagnostic difficulties...
December 22, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27994831/primary-intraosseous-smooth-muscle-tumor-of-uncertain-malignant-potential-original-report-and-molecular-characterization
#20
Lauren Kropp, Gene P Siegal, Garrett M Frampton, Michael G Rodriguez, Svetlana McKee, Robert M Conry
We report the first case of primary intraosseous smooth muscle tumor of uncertain malignant potential (STUMP) which is analogous to borderline malignant uterine smooth muscle tumors so designated. The tumor presented in the femur of an otherwise healthy 30-year-old woman. Over a 3-year period, the patient underwent 11 biopsies or resections and 2 cytologic procedures. Multiple pathologists reviewed the histologic material including musculoskeletal pathologists but could not reach a definitive diagnosis. However, metastases eventually developed and were rapidly progressive and responsive to gemcitabine and docetaxel...
November 17, 2016: Rare Tumors
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