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| 1 | Real time endoscopic ultrasound elastography and strain ratio in the diagnosis of solid pancreatic lesions显示文摘AIM To evaluate the accuracy of the elastography score combined to the strain ratio in the diagnosis of solid pancreatic lesions(SPL). METHODS A total of 172 patients with SPL identified by endoscopic ultrasound were enrolled in the study to evaluate the efficacy of elastography and strain ratio in differentiating malignant from benign lesions. The semi quantitative score of elastography was represented by the strain ratio method. Two areas were selected, area(A) representing the region of interest and area(B) representing the normal area. Area(B) was then divided by area(A). Sensitivity, specificity, positive predictive value(PPV), negative predictive value(NPV), and accuracy were calculated by comparing diagnoses made by elastography, strain ratio and final diagnoses.RESULTS SPL were shown to be benign in 49 patients and malignant in 123 patients. Elastography alone had a sensitivity of 99%, a specificity of 63%, and an accuracy of 88%, a PPV of 87% and an NPV of 96%. The best cut-off level of strain ratio to obtain the maximal area under the curve was 7.8 with a sensitivity of 92%, specificity of 77%, PPV of 91%, NPV of 80% and an accuracy of 88%. Another estimated cut off strain ratio level of 3.8 had a higher sensitivity of 99% and NPV of 96%, but with less specificity, PPV and accuracy 53%, 84% and 86%, respectively. Adding both elastography to strain ratio resulted in a sensitivity of 98%, specificity of 77%, PPV of 91%, NPV of 95% and accuracy of 92% for the diagnosis of SPL. CONCLUSION Combining elastography to strain ratio increases the accuracy of the differentiation of benign from malignant SPL. | Hussein Okasha Shaimaa Elkholy Ramy El-Sayed Mohamed-Naguib Wifi Mohamed El-Nady Walid El-Nabawi Waleed A El-Dayem Mohamed I Radwan Ali Farag Yahya El-sherif Emad Al-Gemeie Ahmed Salman Mohamed El-Sherbiny Ahmed El-Mazny Reem E Mahdy | 2017 | World Journal of Gastroenterology2017，23，32： | 11 |
| 2 | Evalua- tion of methods used to determine ochratoxin A in coffee beans 显示文摘 | Ahmed N E Farag M M Soliman K M | | Journal of Agricultural and Food Chemistry0，55，23： | 1 |
| 3 | Phase I trial and pharmaeokinetic study of high-dose elofarabine and busulfan and allogeneic stem cell transplantation in adults with high-risk and refractory acute leukemia 显示文摘 | FARAG S S WOOD L L SCHWARTZ J E | 2011 | Leukemia2011，25，4： | 1 |
| 4 | Immunogenicity of an adenoviral- based middle east respiratory syndrome coronavirus vaccine in balb/c mice显示文摘 | Kim E Okada K Kenniston T Raj V S A1Hajri M M Farag E A AIHairi F Osterhaus A D Haagmans B L Gambotto A | 2014 | Vaccine2014，32，45： | 1 |
| 5 | Use of c~2-agonists in neuro- anesthesia: an overview显示文摘 | Farag E Argalious M Sessler DI | 2011 | Ochsner J2011，11，1： | 1 |
| 6 | Continuous plane block catheter analgesia for postoperative pain control in renal transplant显示文摘 | Farag E Guirguis MN Helou M | 2014 | Journal of Anesthesia2014，29，1： | 1 |
| 7 | The use of dexmedetomidine in anesthesia and intensive care:a review 显示文摘 | Farag E Argalious M Abd-Elsayed A | 2012 | Curr Pharm Des2012，18，38： | 1 |
| 8 | Continuous plane block catheter analgesia for postoperative pain control in renal transplant显示文摘 | Farag E Guirguis MN Helou M | 2014 | Journal of Anesthesia2014，29，1： | 1 |
| 9 | Effect of cold work and annealing on the structure and characteristics of NiTi alloy显示文摘 | MITWALLY M E FARAG M | | 0，，1： | 1 |
| 10 | Maternal vitamin B12 and the risk of fetal neural tube defects in Egyptian patients 显示文摘 | Gaber K R Farag M K Soliman S E | 2007 | Clin Lab2007，53，12： | 1 |
| 11 | Dexmedetomidine in the neurointensive care unit 显示文摘 | Farag E | 2010 | Discov Med2010，9，44： | 1 |
| 12 | Flocculation behavior ofterpolymer prepared from dimethyl aminoethyl methacrylate,vinylpyrrolidone, and vinylacetate using solution polymerization tech-nique显示文摘 | Nasr H E Farag A A Sayyah S M | 2010 | Journal of Dispersion Science and Technology2010，31，4： | 1 |
| 13 | Incontinence in the aged: contact dermatitis and other cutaneous consequences 显示文摘 | Farage MA Miller KW Berardesca E | 2007 | Contact Dermatitis2007，57，4： | 1 |
| 14 | Incontinence in the aged contact dermatitis and other cutaneous consequences显示文摘 | Farage MA Miller KW Berardesca E | 2007 | Contact Dermatitis2007，57，4： | 1 |
| 15 | An update of the roleof renin angiotensin in cardiovascular homeostasis显示文摘 | Farag E Maheshwari K Morgan J | 2015 | AnesthAnalg2015，120，2： | 1 |
| 16 | The Use of Dexmedetomidine in Anesthesia and Intensive Care:A Peview显示文摘 | Farag E Argalious M Abd-EIsayed A | 2012 | Curr Pharm Des2012，18，38： | 1 |
| 17 | Effect of cold work and an- nealing on the structure and characteristics of NiTi alloy显示文摘 | Mitwally M E Farag M | 2009 | Materials Science and Engineering: A2009，519，1： | 1 |
| 18 | The sequence of change within the photosynthetic apparatus of wheat following short-term exposure to ozone显示文摘 | Farage P K Long S P Lechner E G | 1991 | Plant Physiology1991，95，： | 1 |
| 19 | Epidural analgesia improves early rehabilitation after total knee replacement显示文摘 | Farag E Dilger J Brooks P | 2005 | J Clin Anesth2005，17，4： | 1 |
| 20 | Removal of Cd (11) ion from waste water by adsorption onto polyaniline coated onsawdust显示文摘 | Mansour M S Ossman M E Farag H A | 2011 | Desalination2011，272，1： | 1 |
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