Computed tomography evaluation of the normal appendix: Comparison of low-dose and standard-dose unenhanced helical computed tomography

Journal of Computer Assisted Tomography

Volumn 31, Issue 5, 2007, Pages 732-740

  Karabulut, Nevzat ^a,b   Boyaci, Nurefsan ^a   Yagci, Baki ^a   Herek, Duygu ^a   Kiroglu, Yilmaz ^a  

^a PAMUKKALE UNIVERSITY SCHOOL OF MEDICINE   (Turkey)

^b NONE   (Turkey)

Author keywords

Appendicitis; Appendix; Helical computed tomography; Radiation exposure; Ultidetector computed tomography

Indexed keywords

COMPUTERIZED TOMOGRAPHY; DIAGNOSIS;

APPENDICITI; APPENDIX; COMPUTED TOMOGRAPHY SCAN; DOSE COMPUTED TOMOGRAPHIES; HELICAL COMPUTED TOMOGRAPHIES; INTEROBSERVER AGREEMENT; LOW DOSE; LOW-DOSE CT; RADIATION EXPOSURE; ULTIDETECTOR COMPUTED TOMOGRAPHY;

VISUALIZATION;

ABDOMEN; ADULT; AGED; APPENDECTOMY; APPENDIX; ARTICLE; CONTROLLED STUDY; DIAGNOSTIC ACCURACY; FEMALE; FLANK PAIN; HUMAN; INTRAABDOMINAL FAT; MAJOR CLINICAL STUDY; MALE; PRIORITY JOURNAL; RADIATION DOSE; RADIOLOGIST; SENSITIVITY AND SPECIFICITY; SPIRAL COMPUTER ASSISTED TOMOGRAPHY; UROLITHIASIS;

EID: 34748828029     PISSN: 03638715     EISSN: None     Source Type: Journal    
DOI: 10.1097/RCT.0b013e318033c7de     Document Type: Article

References (26)

1. Birnbaum BA, Wilson SR. Appendicitis at the millennium. Radiology. 2000;215:337-348.
2. Flum DR, Morris A, Koepsell T, et al. Has misdiagnosis of appendicitis decreased over time? A population-based analysis. JAMA. 2001;286:1748-1753.
3. Pinto Leite N, Pereira JM, Cunha R, et al. CT evaluation of appendicitis and its complications: imaging techniques and key diagnostic findings. AJR Am J Roentgenol. 2005;185:406-417.
4. Lau WY, Fan ST, Yiu TF, et al. Negative findings at appendectomy. Am J Surg. 1984;148:375-378.
5. Rhea JT, Halpern EF, Ptak T, et al. The status of appendiceal CT in an urban medical center 5 years after its introduction: experience with 753 patients. AJR Am J Roentgenol. 2005;184:1802-1808.
6. Keyzer C, Tack D, de Maertelaer V, et al. Acute appendicitis: comparison of low-dose and standard-dose unenhanced multi-detector row CT. Radiology. 2004;232:164-172.
7. Mindelzun RE, Katz DS. Suspected acute appendicitis: nonenhanced helical CT in 300 consecutive patients. Radiology. 1999;213:341-346.
8. Ege G, Akman H, Sahin A, et al. Diagnostic value of unenhanced CT in adult patients with suspected acute appendicitis. Br J Radiol. 2002;75:721-725.
9. Cakirer S, Basak M, Colakoglu B, et al. Diagnosis of acute appendicitis with unenhanced helical CT: a study of 130 patients. Emerg Radiol. 2002;9:155-161.
10. Benjaminov O, Atri M, Hamilton P, et al. Frequency of visualization and thickness of normal appendix at nonenhanced helical CT. Radiology. 2002;225:400-406.
11. Scatarige JC, DiSantis DJ, Allen HA 3rd, et al. CT demonstration of the appendix in asymptomatic adults. Gastrointest Radiol. 1989;14:271-273.
12. Ghiatas AA, Chopra S, Chintapalli KN, et al. Computed tomography of the normal appendix and acute appendicitis. Eur Radiol. 1997;7:1043-1047.
13. Grosskreutz S, Goff WB 2nd, Balsara Z, et al. CT of the normal appendix. J Comput Assist Tomogr. 1991;15:575-577.
14. Bursali A, Arac M, Oner AY, et al. Evaluation of the normal appendix at low-dose non-enhanced spiral CT. Diagn Interv Radiol. 2005;11:45-50.
15. Doria AS, Moineddin R, Kellenberger CJ, et al. US or CT for diagnosis of appendicitis in children and adults? A meta-analysis. Radiology. 2006;241:83-94.
16. Johnson PT, Horton KM, Mahesh M, et al. Multidetector computed tomography for suspected appendicitis: multi-institutional survey of 16-MDCT data acquisition protocols and review of pertinent literature. J Comput Assist Tomogr. 2006;30:758-764.
17. Hormann M, Philipp MO, Eberl H, et al. The effect of varying low-dose protocols on perceived image quality in multidetector CT in a rabbit model of acute appendicitis. Eur Radiol. 2004;14:1465-1471.
18. Kalra MK, Prasad S, Saini S, et al. Clinical comparison of standard-dose and 50% reduced dose abdominal CT: effect on image quality. AJR Am J Roentgenol. 2002;179:1101-1106.
19. Weltman DI, Yu J, Krumenacker J Jr, et al. Diagnosis of acute appendicitis: comparison of 5- and 10-mm CT sections in the same patient. Radiology. 2000;216:172-177.
20. Nikolaidis P, Hwang CM, Miller FH, et al. The nonvisualized appendix: incidence of acute appendicitis when secondary inflammatory changes are absent. AJR Am J Roentgenol. 2004;183:889-892.
21. Ganguli S, Raptopoulos V, Komlos F, et al. Right lower quadrant pain: value of the nonvisualized appendix in patients at multidetector CT. Radiology. 2006;241:175-180.
22. Guidry SP, Poole GV. The anatomy of appendicitis. Am Surg. 1994;60:68-71.
23. Jan YT, Yang FS, Huang JK. Visualization rate and pattern of normal appendix on multidetector computed tomography by using multiplanar reformation display. J Comput Assist Tomogr. 2005;29:446-451.
24. Tamburrini S, Brunetti A, Brown M, et al. CT appearance of the normal appendix in adults. Eur Radiol. 2005;15:2096-2103.
25. Simonovsky V. Normal appendix: is there any significant difference in the maximal mural thickness at US between pediatric and adult populations? Radiology. 2002;224:333-337.
26. Grayson DE, Wettlaufer JR, Dalrymple NC, et al. Appendiceal CT in pediatric patients: relationship of visualization to amount of peritoneal fat. AJR Am J Roentgenol. 2001;176:497-500.