The effect of varying low-dose protocols on perceived image quality in multidetector CT in a rabbit model of acute appendicitis

European Radiology

Volumn 14, Issue 8, 2004, Pages 1465-1471

  Hörmann, Marcus ^a   Philipp, Marcel O ^a   Eberl, Heidrun ^a   Windberger, Ursula ^a   Matzek, Wolfgang ^a   Schäfer Prokop, Cornelia ^a   Metz, Viktor M ^a  

^a UNIVERSITY OF VIENNA   (Austria)

Author keywords

Acute appendicitis; Experimental; Low dose CT; Multidetector CT; Pediatric

Indexed keywords

ACUTE APPENDICITIS; ANIMAL EXPERIMENT; ANIMAL MODEL; ANIMAL TISSUE; ARTICLE; CLINICAL FEATURE; CLINICAL PROTOCOL; COMPUTER ASSISTED TOMOGRAPHY; CONTRAST ENHANCEMENT; CONTROLLED STUDY; CORRELATION ANALYSIS; DIAGNOSTIC VALUE; ECHOGRAPHY; FEMALE; HISTOPATHOLOGY; IMAGE ANALYSIS; IMAGE QUALITY; IMAGE RECONSTRUCTION; MALE; NONHUMAN; PRIORITY JOURNAL; RABBIT; RADIATION DOSE; SCORING SYSTEM;

ACUTE DISEASE; ALGORITHMS; ANIMALS; APPENDICITIS; APPENDIX; CONTRAST MEDIA; DISEASE MODELS, ANIMAL; FEMALE; IOHEXOL; MALE; OBSERVER VARIATION; RABBITS; RADIATION DOSAGE; REPRODUCIBILITY OF RESULTS; TOMOGRAPHY, X-RAY COMPUTED;

EID: 4444312163     PISSN: 09387994     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (41)

1. Curtin KR, Fitzgerald SW, Nemcek AA, Hoff FL, Vogelzang RL (1995) CT diagnosis of acute appendicitis: imaging findings. Am J Roentgenol 164:905-909
2. Balthazar EJ, Birnbaum BA, Yee J, Megibow AJ, Roshkow J, Gray C (1984) Acute appendicitis: CT and US correlation in 100 patients. Radiology 190:31-35
3. Berry J Jr, Malt RA (1984) Appendicitis near its centenary. Ann Surg 200:567-575
4. Puig S, Hörmann M, Rebhandl W, Felder-Puig R, Prokop M, Paya K (2003) US as a primary diagnostic tool in relation to negative appendectomie: 6 years experience. Radiology 226:101-104
5. Karakas SP, Guelfguat M, Leonidas JC, Springer S, Singh SP (2000) Acute appendicitis in children: comparison of clinical diagnosis with ultrasound and CT imaging. Pediatr Radiol 30:94-98
6. Birnbaum BA, Jeffrey RB Jr (1998) CT and sonographic evaluation of acute right lower quadrant pain. Am J Roentgenol 170:361-371
7. van Breda Vriesman AC, Kole BJ, Puylaert JB (2003) Effect of ultrasonography and optional computed tomography on the outcome of appendectomy. Eur Radiol 13:2278-2282
8. Inescu L, Coskun A, Selcuk MB, Akan H, Sozubir S, Bernay F (1997) Acute appendicitis: MR imaging and sonographic correlation. Am J Roentgenol 168:669-674
9. Puylaert JB (1986) Acute appendicitis: US evaluation using graded compression. Radiology 158:355-360
10. Jeffrey RB Jr, Laing FC, Lewis FR (1987) Acute appendicitis: high-resolution real-time US findings. Radiology 163:11-14
11. Sivit CJ, Newman KD, Boenning DA et al (1992) Appendicitis: usefulness of US in diagnosis in a pediatric population. Radiology 185:549-552
12. Quillin SP, Siegel MJ, Coffin CM (1992) Acute appendicitis in children: value of sonography in detecting perforation. Am J Roentgenol 159:1265-1268
13. Rao PM, Rhea JT, Novelline RA et al (1997) Helical CT technique for the diagnosis of appendicitis: prospective evaluation of a focused appendix CT examination. Radiology 202:139-1444
14. Malone AJ, Wolf CR, Malmed AS, Melliere B (1993) Diagnosis of acute appendicitis: value of unenhanced CT. Am J Roentgenol 160:763-766
15. Nakhgevany KB, Clarke LE (1986) Acute appendicitis in women of child-bearing age. Arch Surg 121:1053-1056
16. Frush DP, Slack CC, Hollingsworth CL, Bisset GS, Donnelly LF, Hsieh J, Lavin-Wensell T, Mayo JR (2002) Computer-simulated radiation dose reduction for abdominal multidetector CT of pediatric patients. Am J Roentgenol 179:1107-1113
17. Morgan HT (2002) Dose reduction for CT pediatric imaging. Pediatr Radiol 32:724-728
18. Morgan H, Braunstein D (2001) A computed tomography dose index for infants and young children. Med Phys 28:1818
19. Berland LL, Smith JK (1998) Multidetector-array CT: once again, technology creates new opportunities. Radiology 209:327-329
20. Brix G, Nagel HD, Stamm G, Veit R, Lechel U, Griebel J, Galanski M (2003) Radiation exposure in multislice versus single-slice spiral CT: results of a nationwide survey. Eur Radiol 13:1979-1991
21. Wormanns D, Diederich S, Lenzen H, Lange P, Link TM, Ludwig K, Papke K, Hagedorn C, Heindel W (2001) Abdominal spiral CT in children: which radiation dose is required? Eur Radiol 11:2262-2266
22. Huda W (2002) Dose and image quality in CT. Pediatr Radiol 32:709-713
23. Ware DE, Huda W, Mergo PJ, Litwiller AL (1999) Radiation effective doses to patients undergoing abdominal CT examinations. Radiology 210:645-650
24. Starck G, Lonn L, Cederblad A, Alpsten M, Sjostrom L, Ekholm S (1998) Radiation dose reduction in CT: application to tissue area and volume determination. Radiology 209:397-403
25. Katz E, Hana R, Jurim O, Pisuv G, Gutman A, Durst AL (1990) Experimental model of acute appendicitis in the rabbit with determination of leucine amino peptidase (LAP) and acid phosphatase (Acid-P) activities in portal blood samples. J Surg Res 48:230-236
26. Dachmann AH, Nichols JB, Patrick DH, Lichtenstein JE (1987) Natural history of the obstructed rabbit appendix: observations with radiography, sonography and CT. Am J Roentgenol 148:281-284
27. Hsieh J (1999) Three dimensional artifact induced by projection weighting and misalignment. IEEE Trans Med Imaging 18:364-368
28. Cohen J (1960) Coefficient of agreement for nominal scales. Educ Psychol Meas 20:37-46
29. Landis JR, Koch GG (1977) The measurement of observer agreement for categorical data. Biometrics 33:159-174
30. Cohnen M, Poll LJ, Puettmann C, Ewen K, Saleh A, Modder U (2003) Effective doses in standard protocols for multi-slice CT scanning. Eur Radiol 13:1148-1153
31. Birnbaum BA, Wilson SR (2000) Appendicitis at the millennium. Radiology 215:337-348
32. Carty HM (2002) Paedtriac emergencies: non-traumatic abdominal emergencies. Eur Radiol 12:2835-2848
33. Ron E (2002) Let's not relive the past: a review of cancer risk after diagnostic or therapeutic irradiation. Pediatr Radiol 32:739-744
34. Hall EJ (2002) Lessons we have learned from our children: cancer risks from diagnostic radiology. Pediatr Radiol 32:700-706
35. Greess H, Nomayr A, Wolf H, Baum U, Lell M, Bowing B, Kalender W, Bautz WA (2002) Dose reduction in CT examinations of children by an attenuation-based on-line modulation of tube current (CARE Dose). Eur Radiol 12:1571-1576
36. Tack D, de Maertelaer V, Gevenois PA (2003) Dose eduction in multidetector CT using attenuation-based online tube current modulation. Am J Roentgenol 181:331-334
37. International Conference on Dose in Computed Tomography. Nürnberg, 2001
38. Fearon T (2002) CT dose parameters and their limitations. Pediatr Radiol 32:246-249
39. Huda W (2002) Effective dose to adult and pediatric patients. Pediatr Radiol 32:272-279
40. Kalra MK, Prasad S, Saini S, Blake MA, Varghese J, Halpern EF, Thrall JH (2002) Clinical comparison of standard-dose and 50% reduced-dose abdominal CT: effect on image quality. Am J Roentgenol 179:1101-1106
41. Kamel IR, Hernandez RJ, Martin JE, Schlesinger AE, Niklason LT, Guire KE (1994) Radiation dose reduction in CT of the pediatric pelvis. Radiology 190:683-687