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| 1 | Polyp detection rates using magnification with narrow band imaging and white light显示文摘AIM: To compare the yield of adenomas between narrow band imaging and white light when using high definition/magnification. METHODS: This prospective, non-randomized comparative study was performed at the endoscopy unit of veteran affairs medical center in Phoenix, Arizona. Consecutive patients undergoing first average risk colorectal cancer screening colonoscopy were selected. Two experienced gastroenterologists performed all the procedures that were blinded to each other's findings. Demographic details were recorded. Data are presented as mean ± SEM. Proportional data were compared using the χ2 test and means were compared using the Student's t test. Tandem colonoscopy was performed in a sequential and segmental fashion using one of 3 strategies: white light followed by narrow band imaging [Group A: white light(WL) → narrow band imaging(NBI)]; narrow band imaging followed by white light(Group B: NBI → WL) and, white light followed by white light(Group C: WL → WL). Detection rate of missed polyps and adenomas were evaluated in all three groups. RESULTS: Three hundred patients were studied(100 in each Group). Although the total time for the colonoscopy was similar in the 3 groups(23.8 ± 0.7, 22.2 ± 0.5 and 24.1 ± 0.7 min for Groups A, B and C, respectively), it reached statistical significance between Groups B and C(P < 0.05). The cecal intubation time in Groups B and C was longer than for Group A(6.5 ± 0.4 min and 6.5 ± 0.4 min vs 4.9 ± 0.3 min; P < 0.05). The withdrawal time for Groups A and C was longer than Group B(18.9 ± 0.7 min and 17.6 ± 0.6min vs 15.7 ± 0.4 min; P < 0.05). Overall miss rate for polyps and adenomas detected in three groups during the second look was 18% and 17%, respectively(P = NS). Detection rate for polyps and adenomas after first look with white light was similar irrespective of the light used during the second look(WL → WL: 13.7% for polyps, 12.6% for adenomas; WL → NBI: 14.2% for polyps, 11.3% for adenomas). Miss rate of polyps and adenomas however was significantly higher when NBI was used first(29.3% and 30.3%, respectively; P < 0.05). Most missed adenomas were ≤ 5 mm in size. There was only one advanced neoplasia(defined by size only) missed during the first look. CONCLUSION: Our data suggest that the tandem nature of the procedure rather than the optical techniques was associated with the detection of additional polyps' and adenomas. | Nooman Gilani Sally Stipho James D Panetta Sorin Petre Michele A Young Francisco C Ramirez | 2015 | World Journal of Gastrointestinal Endoscopy2015，7，5： | 2 |
| 2 | Methotrexate intracellular disposition in acute lymphoblastic leukemia:A mathematical model of γ-glutamyl hydrolase activity显示文摘 | Panetta J C Wall A Pui C H | 2002 | Clin Cancer Res2002，8，7： | 1 |
| 3 | Lipoprotein (a) binds and inactivates tissue factor pathway inhibitor: a novel link between lipoproteins and thrombosis显示文摘 | Caplice NM Panetta C Peter son TE | 2001 | Blood2001，98，10： | 1 |
| 4 | Arterial embolectomy: a 34 year experience with 400 cases显示文摘 | Panetta T Thompson J Talkington C | 1986 | Surg Clin North Am1986，66，： | 1 |
| 5 | Smooth muscle progenitor cello is human blood显示文摘 | Simper D Stalboerger PG Panetta C J | 2002 | Circulation2002，106，10： | 1 |
| 6 | Behaviour of Buried and Surface-sown Seeds ofParthenium hysterophoms显示文摘 | NAVIES C PANETTA F D MCFADYEN R E | 1998 | Weed Res1998，38，33： | 1 |
| 7 | Specificity of insulin-like growth factor Ⅰ and insulin on Shc phosphorylation and Grb2 recruitment in caveolae显示文摘 | Biedi C Panetta D Segat D | 2003 | Endocrinology2003，144，12： | 1 |
| 8 | Fluorescence in situ hybridization and conventional cytogenetics for the diagnosis of 11 q23/MLL translocation in lenkaemia显示文摘 | COX M C PANETTA P VENDITTI A | 2003 | Br J Haematol2003，121，： | 1 |
| 9 | Non-linear direct multi-scale image enhancement based on the luminance and con- trast masking characteristics of the human visual system 显示文摘 | Nercessian S C Panetta K A Agaian S S | 2013 | IEEE Transactions on Image Processing2013，22，9： | 1 |
| 10 | A mathmatical model of periodically pulsed chemotherapy: tumor recurrence and metastasis in a competition environment显示文摘 | Panetta J C | 1996 | Bull of Math Biol1996，58，： | 1 |
| 11 | Boolean derivatives with application to edge detection for imaging systems 显示文摘 | Agaian S S Panetta K A Nercessian S C | 2010 | IEEE Transactions on System Man and Cybernetics--Part B: Cybernetics2010，40，2： | 1 |
| 12 | Modeling mechanisms of in vivo variability in methotrexate accumulation and folate pathway inhibition in acute lymphoblastic leukemia cells显示文摘 | PANETTA J C SPARREBOOM A PUI C H | 2010 | PLoS Comput Biol2010，6，10： | 1 |
| 13 | Non-lin-ear direct multi-scale image enhancement based on the lu-minance and contrast masking characteristics of the humanvisual system 显示文摘 | NERCESSIAN S C PANETTA K A AGAIAN S S | 2013 | IEEE Transactions on Image Processing2013，22，9： | 1 |
| 14 | Smooth muscle progenitor cells in human blood显示文摘 | Simper D Stalboerger PG Panetta C J | 2002 | Circulation2002，106，10： | 1 |
| 15 | Smooth muscle progenitor cells in human blood显示文摘 | Simper D Stalboerger PG Panetta C J | 2002 | Circulation2002，106，10： | 1 |
| 16 | Evidence of patent ductus artaiosus and rightto-left shunt by figer pluse oxymetry and Doppler signals from agitated saline in abdominal aorta显示文摘 | Panetta C Schiller N | 1999 | J AM Soc Echocardiogr1999，12，9： | 1 |
| 17 | Methotrexate intracellular disposi-tion in acute lymphoblastic leukemia:a mathematical model of gam-ma-glutamyl hydrolase activity显示文摘 | Panetta J Wall A Pui C | 2002 | Clin Cancer Res2002，8，7： | 1 |
| 18 | Management strategy impacts on ammonia from swine manure显示文摘 | Panetta D M Power W J Lorimor J C | 2005 | J Environ Qual2005，34，3： | 1 |
| 19 | A mathmatical model of periodically pulsed chemotherapy: tumor recurrence and metastasis in a competition environment显示文摘 | Panetta J C | 1996 | Bull of Math Biol1996，58，： | 1 |
| 20 | Non-linear direct multi-scale image enhancement based on the luminance and contrast masking characteristics of the human visual system 显示文摘 | NERCESSIAN S C PANETTA K A AGAIAN S S | 2013 | IEEE Transactions on Image Processing2013，22，9： | 1 |
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