OBJECTIVE: The objective of this article is to describe the experience of the National CT Colonography Trial with radiologist training and qualification testing at CT colonography (CTC) and to correlate this experience with subsequent performance in a prospective screening study. SUBJECTS AND METHODS: Ten inexperienced radiologists participated in a 1-day educational course, during which partial CTC examinations of 27 cases with neoplasia and full CTC examinations of 15 cases were reviewed using primary 2D and 3D search. Subsequently 15 radiologists took a qualification examination composed of 20 CTC cases. Radiologists who did not pass the first qualification examination attended a second day of focused retraining of 30 cases, which was followed by a second qualification examination. The results of the initial and subsequent qualification tests were compared with reader performance in a large prospective screening trial. RESULTS: All radiologists took and passed the qualification examinations. Seven radiologists passed the qualification examination the first time it was offered, and eight radiologists passed after focused retraining. Significantly better sensitivities were obtained on the second versus the first examination for the retrained radiologists (difference = 16%, p < 0.001). There was no significant difference in sensitivities between the groups who passed the qualification examination the first time versus those who passed the second time in the prospective study (88% vs 92%, respectively; p = 0.612). In the prospective study, the odds of correctly identifying diseased cases increased by 1.5 fold for every 50-case increase in reader experience or formal training (p < 0.025). CONCLUSION: A significant difference in performance was observed among radiologists before formalized training, but testing and focused retraining improved radiologist performance, resulting in an overall high sensitivity across radiologists in a subsequent, prospective screening study.
OBJECTIVE: The objective of this article is to describe the experience of the National CT Colonography Trial with radiologist training and qualification testing at CT colonography (CTC) and to correlate this experience with subsequent performance in a prospective screening study. SUBJECTS AND METHODS: Ten inexperienced radiologists participated in a 1-day educational course, during which partial CTC examinations of 27 cases with neoplasia and full CTC examinations of 15 cases were reviewed using primary 2D and 3D search. Subsequently 15 radiologists took a qualification examination composed of 20 CTC cases. Radiologists who did not pass the first qualification examination attended a second day of focused retraining of 30 cases, which was followed by a second qualification examination. The results of the initial and subsequent qualification tests were compared with reader performance in a large prospective screening trial. RESULTS: All radiologists took and passed the qualification examinations. Seven radiologists passed the qualification examination the first time it was offered, and eight radiologists passed after focused retraining. Significantly better sensitivities were obtained on the second versus the first examination for the retrained radiologists (difference = 16%, p < 0.001). There was no significant difference in sensitivities between the groups who passed the qualification examination the first time versus those who passed the second time in the prospective study (88% vs 92%, respectively; p = 0.612). In the prospective study, the odds of correctly identifying diseased cases increased by 1.5 fold for every 50-case increase in reader experience or formal training (p < 0.025). CONCLUSION: A significant difference in performance was observed among radiologists before formalized training, but testing and focused retraining improved radiologist performance, resulting in an overall high sensitivity across radiologists in a subsequent, prospective screening study.
Authors: Perry J Pickhardt; J Richard Choi; Inku Hwang; James A Butler; Michael L Puckett; Hans A Hildebrandt; Roy K Wong; Pamela A Nugent; Pauline A Mysliwiec; William R Schindler Journal: N Engl J Med Date: 2003-12-01 Impact factor: 91.245
Authors: C Daniel Johnson; William S Harmsen; Lynn A Wilson; Robert L Maccarty; Timothy J Welch; Duane M Ilstrup; David A Ahlquist Journal: Gastroenterology Date: 2003-08 Impact factor: 22.682
Authors: Kale D Bodily; Joel G Fletcher; Trudy Engelby; Mark Percival; Jared A Christensen; Brett Young; Aaron J Krych; Douglas C Vander Kooi; Drew Rodysill; Jeff L Fidler; C Daniel Johnson Journal: Acad Radiol Date: 2005-01 Impact factor: 3.173
Authors: Michael E Zalis; Matthew A Barish; J Richard Choi; Abraham H Dachman; Helen M Fenlon; Joseph T Ferrucci; Seth N Glick; Andrea Laghi; Michael Macari; Elizabeth G McFarland; Martina M Morrin; Perry J Pickhardt; Jorge Soto; Judy Yee Journal: Radiology Date: 2005-07 Impact factor: 11.105
Authors: D C Rockey; E Paulson; D Niedzwiecki; W Davis; H B Bosworth; L Sanders; J Yee; J Henderson; P Hatten; S Burdick; A Sanyal; D T Rubin; M Sterling; G Akerkar; M S Bhutani; K Binmoeller; J Garvie; E J Bini; K McQuaid; W L Foster; W M Thompson; A Dachman; R Halvorsen Journal: Lancet Date: 2005 Jan 22-28 Impact factor: 79.321
Authors: Peter B Cotton; Valerie L Durkalski; Benoit C Pineau; Yuko Y Palesch; Patrick D Mauldin; Brenda Hoffman; David J Vining; William C Small; John Affronti; Douglas Rex; Kenyon K Kopecky; Susan Ackerman; J Steven Burdick; Cecelia Brewington; Mary A Turner; Alvin Zfass; Andrew R Wright; Revathy B Iyer; Patrick Lynch; Michael V Sivak; Harold Butler Journal: JAMA Date: 2004-04-14 Impact factor: 56.272
Authors: Elizabeth G McFarland; Joel G Fletcher; Perry Pickhardt; Abraham Dachman; Judy Yee; Cynthia H McCollough; Michael Macari; Paul Knechtges; Michael Zalis; Matthew Barish; David H Kim; Kathryn J Keysor; C Daniel Johnson Journal: J Am Coll Radiol Date: 2009-11 Impact factor: 5.532
Authors: Jeff L Fidler; Joel G Fletcher; C Daniel Johnson; James E Huprich; John M Barlow; Franklin Earnest; Brian J Bartholmai Journal: Acad Radiol Date: 2004-07 Impact factor: 3.173
Authors: Thomas M Gluecker; J G Fletcher; Timothy J Welch; Robert L MacCarty; William S Harmsen; Jeffrey R Harrington; Duane Ilstrup; Lynn A Wilson; Kay E Corcoran; C Daniel Johnson Journal: AJR Am J Roentgenol Date: 2004-04 Impact factor: 3.959
Authors: Amy K Hara; Meridith Blevins; Mei-Hsiu Chen; Abraham H Dachman; Mark D Kuo; Christine O Menias; Bettina Siewert; Jugesh I Cheema; Richard G Obregon; Jeff L Fidler; Peter Zimmerman; Karen M Horton; Kevin J Coakley; Revathy B Iyer; Robert A Halvorsen; Giovanna Casola; Judy Yee; Benjamin A Herman; C Daniel Johnson Journal: Radiology Date: 2011-03-01 Impact factor: 11.105
Authors: Igor Trilisky; Kristen Wroblewski; Michael W Vannier; John M Horne; Abraham H Dachman Journal: Radiographics Date: 2014 Nov-Dec Impact factor: 5.333
Authors: Greg Rosenfeld; Yi Tzu Nancy Fu; Brendan Quiney; Hong Qian; Darin Krygier; Jacquie Brown; Patrick Vos; Pari Tiwari; Jennifer Telford; Brian Bressler; Robert Enns Journal: World J Gastroenterol Date: 2014-02-14 Impact factor: 5.742
Authors: Thomas Mang; Luca Bogoni; Vikram X Anand; Dass Chandra; Andrew J Curtin; Anna S Lev-Toaff; Gerardo Hermosillo; Ralph Noah; Vikas Raykar; Marcos Salganicoff; Robert Shaw; Susan Summerton; Rafel F R Tappouni; Helmut Ringel; Michael Weber; Matthias Wolf; Nancy A Obuchowski Journal: Eur Radiol Date: 2014-05-10 Impact factor: 5.315