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| 1 | Computed tomography-guided percutaneous core needle biopsy in pancreatic tumor diagnosis显示文摘AIM: To evaluate the techniques, results, and complications related to computed tomography(CT)-guided percutaneous core needle biopsies of solid pancreatic lesions.METHODS: CT-guided percutaneous biopsies of solid pancreatic lesions performed at a cancer reference center between January 2012 and September 2013 were retrospectively analyzed. Biopsy material was collected with a 16-20 G Tru-Core needle(10-15 cm; Angiotech, Vancouver, CA) using a coaxial system and automatic biopsy gun. When direct access to the lesion was not possible, indirect(transgastric or transhepatic) access or hydrodissection and/or pneumodissection maneuvers were used. Characteristics of the patients, lesions, procedures, and histologic results were recorded using a standardized form. RESULTS: A total of 103 procedures included in the study were performed on patients with a mean age of 64.8 year(range: 39-94 year). The mean size of the pancreatic lesions was 45.5 mm(range: 15-195 mm). Most(75/103, 72.8%) procedures were performed via direct access, though hydrodissection and/or pneumodissection were used in 22.2%(23/103) of cases and indirect transhepatic or transgastric access was used in 4.8%(5/103) of cases. Histologic analysis was performed on all biopsies, and diagnoses were conclusive in 98.1%(101/103) of cases, confirming3.9%(4/103) of tumors were benign and 94.2%(97/103) were malignant; results were atypical in 1.9%(2/103) of cases, requiring a repeat biopsy to diagnose a neuroendocrine tumor, and surgical resection to confirm a primary adenocarcinoma. Only mild/moderate complications were observed in 9/103 patients(8.7%),and they were more commonly associated with biopsies of lesions located in the head/uncinate process(n =8), than of those located in the body/tail(n = 1) of the pancreas, but this difference was not significant.CONCLUSION: CT-guided biopsy of a pancreatic lesion is a safe procedure with a high success rate, and is an excellent option for minimally invasive diagnosis. | Chiang J Tyng Maria Fernanda A Almeida Paula NV Barbosa Almir GV Bitencourt José Augusto AG Berg Macello S Maciel Felipe JF Coimbra Luiz Henrique O Schiavon Maria Dirlei Begnami Marcos D Guimares Charles E Zurstrassen Rubens Chojniak | 2015 | World Journal of Gastroenterology2015，21，12： | 14 |
| 2 | Investigating the installed real power transfer capability of a large scale power system under a proposed multiarea interchange schedule using CPFLOW 显示文摘 | Flueck J Chiang H D Shah K S | 1996 | IEEE Trans on Power Systems1996，11，2： | 2 |
| 3 | Astrocyte elevated gene-1 regulates hepatocellular carcinoma development and progression显示文摘 | Yoo Byoung Kwon Emdad Luni Su Zao-zhong Villanueva Augusto Chiang Derek Y Mukhopadhyay Nitai D Mills Alan Scott Waxman Samuel Fisher Robert A Llovet Josep M Fisher Paul B Sarkar Devanand | 2009 | Journal of Clinical Investigation2009，，3： | 2 |
| 4 | Dynamic analysis of impact tools by using a method based on stress wave propagation and impulse- momentum principle 显示文摘 | Eliss D Chiang L | 2003 | ASME Journal of Mechanical Engi- neering2003，125，： | 1 |
| 5 | Norm-Conserving Pseudopotentials 显示文摘 | Hamann D R Schlüter M Chiang C | 1979 | Phys Rev Lett1979，43，： | 1 |
| 6 | Fault diagnosis in chemical processes using Fisher discriminant analysis,discriminant partial least squares,and principal component analysis显示文摘 | Chiang L H Russell E L Braatz R D | 2000 | Chemometrics and Intelligent Laboratory Systems2000，50，2： | 1 |
| 7 | A tutorial on decomposition methods for network utility maximization 显示文摘 | Palomar D Chiang M | 2006 | IEEE Journal on Selected Areas in Communications2006，24，： | 1 |
| 8 | Reaction-formed silicon carbide 显示文摘 | CHIANG Y M MESSNER R P TERWILLIGER C D | 2003 | Ceram Eng Sci Proc2003，24，3： | 1 |
| 9 | Outcome of pulmonary multidrug resistant tuberculosis: a 6-yr follow-up study 显示文摘 | Chiang C Y Enarson D A Yu M C | 2006 | Eur Respir J2006，28，5： | 1 |
| 10 | A tutorial on decomposition methodsfor network utility maximization显示文摘 | PALO MAR D CHIANG M | 2006 | IEEE Journal on Select on Ar-ea in Communication2006，24，8： | 1 |
| 11 | Jet Impingement and Forced Convection Cooling Experimental Study in Rotating Tur- bine Blades 显示文摘 | Li H Chiang H D Hsu C | 2011 | International Journal of Turbo and Jet Engines2011，28，2： | 1 |
| 12 | Direct marketing, indirect profits: a strategic analysis of dual-channel supply chain design 显示文摘 | Chiang W K Chhajed D Hess J D | 2003 | Management Science2003，49，1： | 1 |
| 13 | 显示文摘 | Chiang JY Kimmel R Stroup D | 2001 | Gene2001，262，12： | 1 |
| 14 | Synchrotron and SSC Emission and the Blast-Wave Model of Gamma-Ray Bursts显示文摘 | Chiang J Dermer C D | 1999 | APJ1999，512，： | 1 |
| 15 | On Voltage Collapse in Electric Power Systems显示文摘 | CHIANG H D DOHSON I | 1990 | IEEE Transactions on Power Systems1990，5，2： | 1 |
| 16 | Toward a practical performance index for predicting voltage collapse in electric power system显示文摘 | Jean-Jumeau R | 1995 | IEEE Trans on Power Systems1995，10，2： | 1 |
| 17 | Parallel geneticalgorithm for service restoration in electric power distributionsystem显示文摘 | FUKUYAMA Y CHIANG H D MIU K N | 1996 | Electrical Power&Energy Systems1996，18，2： | 1 |
| 18 | Direct stability analysis of electric power systems using energy functions: Theory,applications, and perspective 显示文摘 | Chiang H D | 1995 | Proceedings of the IEEE1995，83，11： | 1 |
| 19 | Immobilization of β-fructofuranosidase from Aspergillus on methacrylamidebased polymeric beads for production of fructooligosaccharides显示文摘 | Chiang C J Lee W C Sheu D C | 1997 | Biotechnol Prog1997，13，4： | 1 |
| 20 | Changes in brain natriuretic peptide and norepinephrine over time and mortality andmorbidity in the Valsartan Heart Failure Trial (Val-HefFT)显示文摘 | Anand I S Fisher L D Chiang Y T | 2003 | Circulation2003，107，： | 1 |
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