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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 | Laparoscopic surgery of the colon and rectom显示文摘 | Tomita H Macello P W Milson J W | 1999 | World J Surg1999，23，： | 1 |
| 3 | Heart failure and diabetes:left ventricular systolic function显示文摘 | Palmiero R Macello M De Pascalis S | | 0，，02： | 1 |
| 4 | Mental accounting and cause related marketing strategies显示文摘 | ILARIA B ENRICO R MACELLO T | 2010 | InternationalReview on Public and Nonprofit Marketing2010，7，： | 1 |
| 5 | Heart failure and diabetes: left ventricular systolic function显示文摘 | Palmiero R Macello M De Pascalis S | 2006 | Minerva Cardioangiol2006，54，2： | 1 |
| 6 | Peristomal variceal bleeding treated by coil embolization using a percutaneous transhepatic approach显示文摘Peristomal variceal bleeding due to portal hypertension is an entity that has rarely been reported with 3%-4% risk of death.A 68-year-old woman who had undergone a palliative colostomy(colorectal carcinoma) presented with a massive hemorrhage from the colostomy conduit.Considering her oncological status with medial and right hepatic veins thrombosis due to liver metastasis invasion,an emergency transhepatic coil embolization was successfully performed.Standard treatment modality for these cases has not been established.Percutaneous transhepatic coil embolization of varices is a safe and effective choice in patients who present with life threatening bleeding and exhibit contraindications to transjugular intrahepatic portosystemic shunt. | Macello José Sampaio Maciel Osvaldo Ignácio Pereira Joaquim Maurício Motta Leal Filho Enio Ziemiecki Junior Susyanne Lavor Cosme Moisés Amancio Souza Francisco Cesar Carnevale | 2016 | World Journal of Clinical Cases2016，4，1： | 1 |
| 7 | Synthesis of dimethyl carbonate from methanol, carbon monoxide and oxygen catalyzed by copper compounds显示文摘 | Ugo Romano Renato Tesel Macello | 1980 | Ind Eng Chem Prod Res Dev1980，19，3： | 1 |
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