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Percutaneous biopsy

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https://www.readbyqxmd.com/read/28423171/identification-of-patients-with-documented-pathologic-complete-response-in-the-breast-after-neoadjuvant-chemotherapy-for-omission-of-axillary-surgery
#1
Audree B Tadros, Wei T Yang, Savitri Krishnamurthy, Gaiane M Rauch, Benjamin D Smith, Vicente Valero, Dalliah M Black, Anthony Lucci, Abigail S Caudle, Sarah M DeSnyder, Mediget Teshome, Carlos H Barcenas, Makesha Miggins, Beatriz E Adrada, Tanya Moseley, Rosa F Hwang, Kelly K Hunt, Henry M Kuerer
Importance: A pathologic complete response (pCR; no invasive or in situ cancer) occurs in 40% to 50% of patients with HER2-positive (HER2+) and triple-negative (TN) breast cancer. The need for surgery if percutaneous biopsy of the breast after neoadjuvant chemotherapy (NCT) indicates pCR in the breast (hereinafter referred to as breast pCR) has been questioned, and appropriate management of the axilla in such patients is unknown. Objective: To identify patients among exceptional responders to NCT with a low risk for axillary metastases when breast pCR is documented who may be eligible for an omission of surgery clinical trial design...
April 19, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28419667/a-simple-risk-score-for-prediction-of-hemorrhagic-complications-after-a-percutaneous-renal-biopsy
#2
Juan M Mejía-Vilet, Manuel A Márquez-Martínez, Bertha M Cordova-Sanchez, Mónica Chapa Ibargüengoitia, Ricardo Correa-Rotter, Luis E Morales-Buenrostro
AIM: To derive a simple risk score to predict the individual risk of major complications for patients undergoing a percutaneous renal biopsy procedure of native kidneys. METHODS: The risk score was derived from a cohort of 1,205 adult patients subject to percutaneous renal biopsy and assigned to training and validation datasets. Factors associated with major complications were derived from univariate analysis and then modeled by stepwise multivariate logistic regression...
April 16, 2017: Nephrology
https://www.readbyqxmd.com/read/28412733/prevention-of-tumor-seeding-during-needle-biopsy-by-chemotherapeutic-releasing-gelatin-sticks
#3
Ren-Yuan Bai, Verena Staedtke, Xuewei Xia, Gregory J Riggins
Needle biopsy is an indispensable diagnostic tool in obtaining tumor tissue for diagnostic examination. Tumor cell seeding in the needle track during percutaneous needle biopsies has been reported for various types of cancers. The mechanical force of the biopsy both directly displaces the malignant cells and causes bleeding and fluid movement that can further disseminate cells. To prevent the risk of tumor cell seeding during biopsy, we developed a gelatin stick loaded with chemotherapeutics such as doxorubicin (DXR) that was inserted into the biopsy canal...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28410289/initial-experience-with-real-time-hybrid-single-photon-emission-computed-tomography-computed-tomography-guided-percutaneous-transthoracic-needle-biopsy
#4
Qian Hua, Xiangyun Zhu, Lei Zhang, Yanjun Zhao, Ping Tang, Jianming Ni
The aim of this study was to explore a technique that uses real-time fusion image of single-photon emission computed tomography/computed tomography (SPECT/CT) to guide percutaneous transthoracic needle biopsy (PTNB) and test its feasibility and safety in patients. Twelve patients with intrathoracic lesions suspicious for malignancy underwent real-time 99m-technetium sestamibi SPECT/CT-guided PTNB. Chest SPECT/CT fusion images were used for biopsy planning and intraprocedure fusion of SPECT with guiding CT was used to adjust the puncture angle and direction...
April 13, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28409355/percutaneous-mr-guided-focal-cryoablation-for-recurrent-prostate-cancer-following-radiation-therapy-retrospective-analysis-of-iceball-margins-and-outcomes
#5
Christiaan G Overduin, Sjoerd F M Jenniskens, J P Michiel Sedelaar, Joyce G R Bomers, Jurgen J Fütterer
OBJECTIVES: To evaluate iceball margins after magnetic resonance (MR)-guided focal salvage prostate cryoablation and determine the correlation with local outcome. METHODS: A retrospective review was performed on 47 patients that underwent percutaneous MR-guided focal cryoablation for biopsy-proven locally recurrent prostate cancer after primary radiotherapy. Preprocedural diagnostic and intraprocedural MR images were analysed to derive three-directional iceball margins...
April 13, 2017: European Radiology
https://www.readbyqxmd.com/read/28407330/diffusion-weighted-and-magnetization-transfer-imaging-in-testicular-spermatogenic-function-evaluation-preliminary-results
#6
Huanjun Wang, Jian Guan, Jinhua Lin, Zhongwei Zhang, Shurong Li, Yan Guo, Huasong Cai
PURPOSE: To assess the use of functional magnetic resonance imaging (MRI), including diffusion-weighted MRI (DWI) and magnetization transfer MRI (MTI) in evaluating male infertility. MATERIALS AND METHODS: Sixteen men with testicular spermatogenesis hypofunction confirmed by percutaneous testis biopsy and 31 volunteers (control group B, age range: 20-40 years) with normal semen analysis including younger (By, n = 15, age range: 20-30 years) and older (Bo, n = 16, age range: 31-40 years) men underwent pelvic 3T MRI, including DWI and MTI...
April 13, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28392852/a-systematic-review-and-meta-analysis-of-c-arm-cone-beam-ct-guided-percutaneous-transthoracic-needle-biopsy-of-lung-nodules
#7
Gao-Wu Yan, Anup Bhetuwal, Gao-Wen Yan, Qin-Quan Sun, Xiang-Ke Niu, Yu Zhou, Li-Fa Li, Bin-Zhong Li, Hao Zeng, Chuan Zhang, Bing Li, Xiao-Xue Xu, Han-Feng Yang, Yong Du
BACKGROUND: A systematic review and meta-analysis of all available publications was performed to evaluate the diagnostic accuracy of percutaneous transthoracic needle biopsy (PTNB) using a C-Arm Cone-Beam CT (CBCT) system in patients with lung nodules. MATERIAL/METHODS: Thedatabases of PUBMED, OVID, EBSCO, EMBASE, and China National Knowledge Infrastructure (CNKI) were systematically searched for relevant original articles on the diagnostic accuracy of CBCT-guided PTNB for the diagnosis of nodules in the lungs...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28391383/percutaneous-radiofrequency-ablation-for-spinal-osteoid-osteoma-and-osteoblastoma
#8
Ben Wang, Song Bo Han, Liang Jiang, Hui Shu Yuan, Chen Liu, Bin Zhu, Zhong Jun Liu, Xiao Guang Liu
PURPOSES: We sought to verify the efficacy and safety of RFA in spinal OO and osteoblastomas (OB) (Enneking Stage 2, S2). METHODS: We retrospectively reviewed patients treated in our hospital. Surgical resection was indicated for Enneking Stage 3 OB. RFA indications for spinal OO and OB (S2) were no neurological deficits, complete bone cortex around the lesion on computed tomography (CT), and cerebrospinal fluid between a lesion and the spinal cord/nerve root on magnetic resonance imaging...
April 8, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28382137/evaluation-of-the-safety-and-efficacy-of-radiofrequency-ablation-for-treating-benign-thyroid-nodules
#9
Xiaoyin Tang, Dan Cui, Jiachang Chi, Zhi Wang, Tao Wang, Bo Zhai, Ping Li
Background: Radiofrequency ablation (RFA) is a relatively new procedure for treating benign thyroid nodules. The purpose of this study was to evaluate the safety and efficacy of RFA for treating benign thyroid nodules so as to serve as a reference for future clinical practice. Methods: This study retrospectively analyzed the clinical data of patients receiving percutaneous RFA for treating thyroid nodules from November 2014 to July 2015 in our medical center. One hundred and eight patients with a total of 380 nodules received ultrasound-guided RFA for treating thyroid nodules...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28381317/local-and-systemic-changes-associated-with-long-term-percutaneous-static-implantation-of-titanium-alloys-in-rhesus-macaques-macaca-mulatta
#10
Galit H Frydman, Robert P Marini, Vasudevan Bakthavatchalu, Kathleen E Biddle, Sureshkumar Muthupalani, Charles R Vanderburg, Barry Lai, Pavan K Bendapudi, Ronald G Tompkins, James G Fox
Metal alloys are frequently used as implant materials in veterinary medicine. Recent studies suggest that many alloys induce both local and systemic inflammatory responses. In this study, 37 rhesus macaques with long-term skull-anchored percutaneous titanium alloy implants (duration, 0 to 14 y) were evaluated for changes in their hematology, coagulation, and serum chemistry profiles. Negative controls (n = 28) did not have implants. Macaques with implants had higher plasma D-dimer and lower antithrombin III concentrations than nonimplanted animals...
March 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28380212/upregulation-of-microrna-142-3p-in-the-peripheral-blood-and-urinary-cells-of-kidney-transplant-recipients-with-post-transplant-graft-dysfunction
#11
T D Domenico, G Joelsons, R M Montenegro, R C Manfro
We analyzed microRNA (miR)-142-3p expression in leucocytes of the peripheral blood and urinary sediment cell samples obtained from kidney transplant recipients who developed graft dysfunction. Forty-one kidney transplant recipients with kidney graft dysfunction and 8 stable patients were included in the study. The groups were divided according to histological analysis into acute rejection group (n=23), acute tubular necrosis group (n=18) and stable patients group used as a control for gene expression (n=8)...
April 3, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28364161/comparison-of-ct-and-pet-ct-for-biopsy-guidance-in-oncological-patients
#12
Juliano J Cerci, Elena Tabacchi, Mateos Bogoni, Dominique Delbeke, Carlos Cunha Pereira, Rodrigo J Cerci, Cassiano Krauzer, Danielle Giacometti Sakamoto, Stefano Fanti, João Vicente Vitola
PURPOSE: To compare FDG PET/CT and CT for the guidance of percutaneous biopsies with histological confirmation of lesions. METHODS: We prospectively evaluated 323 patients of whom 181 underwent FDG PET/CT-guided biopsy (total 188 biopsies) and 142 underwent CT-guided biopsy (total 146 biopsies). Biopsies were performed using the same PET/CT scanner with a fluoroscopic imaging system. Technical feasibility, clinical success and complication rates in the two groups were evaluated...
March 31, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28361352/small-superficial-indeterminate-soft-tissue-lesions-as-suspected-sarcomas-is-primary-excision-biopsy-suitable
#13
Michael Khoo, Ian Pressney, Rikin Hargunani, Asif Saifuddin
OBJECTIVE: Suspected soft-tissue sarcomas are typically investigated using magnetic resonance imaging (MRI), with a view to planning image-guided core needle biopsy for confirmation of the histological diagnosis. Indeterminate superficial lesions may be small and therefore potentially difficult to biopsy safely, such lesions possibly being more amenable to primary excision biopsy. The aim of this study is to determine the suitability of this practice in the setting of a specialist sarcoma service...
March 30, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28356663/safety-and-effectiveness-of-transjugular-renal-biopsy-a-single-center-study
#14
K R Rathod, B A Popat, A Pandey, T E Jamale, N K Hase, H L Deshmukh
Although percutaneous renal biopsy remains the preferred method, there are several scenarios where transjugular approach is more suitable. We hereby describe our technique of transjugular renal biopsy (TJRB) and evaluate its safety and efficacy. We retrospectively collected data regarding indication for the transjugular route of biopsy, its complications, clinical and laboratory data, and adequacy of samples from patients' records. TJRB was performed when the patients were at a high risk for bleeding from percutaneous renal biopsy...
March 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28352022/analysis-of-renal-diseases-detected-in-renal-biopsies-of-adult-patients-a-single-center-experience
#15
Salman Imtiaz, Murtaza F Drohlia, Kiran Nasir, Beena Salman, Aasim Ahmad
Renal biopsy is crucial while evaluating for the diagnosis of glomerular, vascular, tubulointerstitial, and genetic diseases. It gives vital information which helps in estimating the disease prognosis, progression, and management. This is the retrospective analysis of all adult patients aged above 18 years, who underwent percutaneous renal biopsy at The Kidney Center Post Graduate Training Institute, Karachi, over a duration of 18 years, i.e., January 1, 1996, to December 2013. Renal graft biopsies and those which were inadequate were excluded from analysis...
March 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28351284/impact-of-breast-cancer-awareness-month-on-detection-of-breast-cancer-in-a-private-hospital
#16
Onder Karabay, Mustafa Hasbahceci, Huseyin Kadioglu
Objective Breast cancer awareness month increases public awareness in association with increased rates of screening and new diagnoses. This study aimed to evaluate the effect of breast cancer awareness month on primary diagnosis of breast cancer. Methods Asymptomatic women with the intention of breast cancer screening were included. The non-BCAM (Breast cancer awareness month) group were screened from February to September 2016 and the BCAM group during October 2016. Ultrasound and mammography were performed in all women and in those aged ≥ 40 years, respectively...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28350257/intrahepatic-mass-forming-cholangiocarcinoma-and-solitary-hypovascular-liver-metastases-is-the-differential-diagnosis-using-diffusion-weighted-mri-possible
#17
Jelena Djokić Kovač, Danijel Galun, Aleksandra Đurić-Stefanović, Gordana Lilić, Dragan Vasin, Ljubica Lazić, Dragan Mašulović, Đorđije Šaranović
Background Intrahepatic mass-forming cholangiocellular carcinoma (IMC) is the second most common primary liver tumor. The differentiation between IMC and solitary hypovascular liver metastases (SHLM) represents a diagnostic challenge due to many overlapping magnetic resonance imaging (MRI) features. Purpose To determine the value of diffusion-weighted imaging (DWI) in addition to conventional MRI for the distinction between intrahepatic mass-forming cholangiocarcinoma and solitary hypovascular liver metastases...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28349279/percutaneous-transluminal-forceps-biopsy-in-patients-suspected-of-having-malignant-biliary-obstruction-factors-influencing-the-outcomes-of-271-patients
#18
Jung Gu Park, Gyoo-Sik Jung, Jong Hyouk Yun, Byung Chul Yun, Sang Uk Lee, Byung Hoon Han, Ji Ho Ko
OBJECTIVES: To evaluate predictive factors for false-negative diagnosis of percutaneous forceps biopsies in patients suspected of having a malignant biliary obstruction METHODS: Two hundred seventy one consecutive patients with obstructive jaundice underwent percutaneous forceps biopsy. In each patient, three to five specimens (mean, 3.5 specimens) were collected from the lesion. The final diagnosis for each patient was confirmed with pathologic findings at surgery, additional histocytologic data, or clinical and radiologic follow-up...
March 27, 2017: European Radiology
https://www.readbyqxmd.com/read/28343765/human-cardiac-progenitor-cells-with-regenerative-potential-can-be-isolated-and-characterized-from-3d-electro-anatomic-guided-endomyocardial-biopsies
#19
Domenico D'Amario, Antonio Maria Leone, Maria Lucia Narducci, Costantino Smaldone, Dalgisio Lecis, Frediano Inzani, Marco Luciani, Andrea Siracusano, Federica La Neve, Melissa Manchi, Gemma Pelargonio, Francesco Perna, Piergiorgio Bruno, Massimo Massetti, Dario Pitocco, Donato Cappetta, Grazia Esposito, Konrad Urbanek, Antonella De Angelis, Francesco Rossi, Roberto Piacentini, Giulia Angelini, Domenica Donatella Li Puma, Claudio Grassi, Elisa De Paolis, Ettore Capoluongo, Valentina Silvestri, Biagio Merlino, Riccardo Marano, Filippo Crea
AIMS: In the present study, we aimed to develop a percutaneous approach and a reproducible methodology for the isolation and expansion of Cardiac Progenitor Cells (CPCs) from EndoMyocardial Biopsies (EMB) in vivo. Moreover, in an animal model of non-ischemic heart failure (HF), we would like to test whether CPCs obtained by this methodology may engraft the myocardium and differentiate. METHODS AND RESULTS: EMB were obtained using a preformed sheath and a disposable bioptome, advanced via right femoral vein in 12 healthy mini pigs, to the right ventricle...
March 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28342000/efficacy-and-safety-of-percutaneous-ultrasound-guided-radiofrequency-ablation-for-treating-cervical-metastatic-lymph-nodes-from-papillary-thyroid-carcinoma
#20
Yang Guang, Yukun Luo, Yan Zhang, Mingbo Zhang, Nan Li, Ying Zhang, Jie Tang
PURPOSE: The aim of this study was to assess the effectiveness and safety of ultrasound guided percutaneous radiofrequency ablation (RFA) of cervical metastatic lymph nodes (LNs) from papillary thyroid carcinoma. METHODS: 54 metastatic LNs confirmed by percutaneous biopsy in 33 patients with previous total thyroidectomy and radioiodine therapy were enrolled in this retrospective study. US and contrast-enhanced ultrasound (CEUS) examinations were performed before ablation...
March 24, 2017: Journal of Cancer Research and Clinical Oncology
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