Intraluminal Air within an Obstructed Appendix. A CT Sign of Perforated or Necrotic Appendicitis

Academic Radiology

Volumn 19, Issue 10, 2012, Pages 1175-1180

  Azok, Joseph T ^a   Kim, David H ^b   Munoz del Rio, Alejandro ^b   Sonavane, Sushilkumar K ^a   Bhalla, Sanjeev ^a   Anaya Baez, Victor ^a   Menias, Christine O ^a  

^a WASHINGTON UNIVERSITY SCHOOL OF MEDICINE   (United States)

^b UNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE AND PUBLIC HEALTH   (United States)

Author keywords

Appendicitis; CT; Intraluminal air; Necrosis; Perforation

Indexed keywords

ADOLESCENT; ADULT; AGE; APPENDICITIS; APPENDIX DISEASE; APPENDIX OBSTRUCTION; APPENDIX PERFORATION; ARTICLE; DISEASE MARKER; FEMALE; HUMAN; IMAGE ANALYSIS; INTRALUMINAL APPENDICOLITH; INTRALUMINAL APPENDIX AIR; MAJOR CLINICAL STUDY; MALE; MULTIDETECTOR COMPUTED TOMOGRAPHY; NECROTIC APPENDICITIS; PRIORITY JOURNAL; RETROSPECTIVE STUDY; RISK FACTOR;

ADULT; AIR; APPENDICITIS; APPENDIX; FEMALE; HUMANS; MALE; NECROSIS; RADIOGRAPHIC IMAGE ENHANCEMENT; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY; YOUNG ADULT;

EID: 84865711332     PISSN: 10766332     EISSN: 18784046     Source Type: Journal    
DOI: 10.1016/j.acra.2012.04.018     Document Type: Article

References (23)

1. Flum D.R., Koepsell T. The clinical land economic correlates of misdiagnosed appendicitis-nationwide analysis. Arch Surg 2002, 137:799-804.
2. Wagner P.L., Eachempati S.R., Soe K., et al. Defining the current negative appendectomy rate: for whom is preoperative computed tomography making an impact?. Surgery 2008, 144:276-282.
3. Raja A.S., Wright C., Sodickson A.D., et al. Negative appendectomy rate in the era of CT: an 18-year perspective. Radiology 2010, 256:460-465.
4. Coursey C.A., Nelson R.C., Patel M.B., et al. Making the diagnosis of acute appendicitis: do more preoperative CT scans mean fewer negative appendectomies? A 10-year study. Radiology 2010, 254:460-468.
5. van Randen A., Bipat S., Zwinderman A.H., et al. Acute appendicitis: meta-analysis of diagnostic performance of CT and graded compression US related to prevalence of disease. Radiology 2008, 249:97-106.
6. Rao P.M., Rhea J.T., Novelline R.A. Sensitivity and specificity of the individual CT signs of appendicitis: experience with 200 helical appendiceal CT examinations. J Comput Assist Tomogr 1997, 21:686-692.
7. Rao P.M., Rhea J.T., Novelline R.A., et al. Helical CT technique for the diagnosis of appendicitis: prospective evaluation of a focused appendix CT examination. Radiology 1997, 202:139-144.
8. Wijetunga R., Tan B.S., Rouse J.C., et al. Diagnostic accuracy of focused appendiceal CT in clinically equivocal cases of acute appendicitis. Radiology 2001, 221:747-753.
9. Mullins M.E., Kircher M.F., Ryan D.P., et al. Evaluation of suspected appendicitis in children using limited helical CT and colonic contrast material. AJR Am J Roentgenol 2001, 176:37-41.
10. Pickhardt P.J., Lawrence E.M., Pooler B.D., et al. Diagnostic performance of multidetector computed tomography for suspected acute appendicitis. Ann Intern Med 2011, 154:789-838.
11. Horrow M.M., White D.S., Horrow J.C. Differentiation of perforated from nonperforated appendicitis at CT. Radiology 2003, 227:46-51.
12. Emil S., Laberge J.M., Mikhail P., et al. Appendicitis in children: A ten-year update of therapeutic recommendations. J Pediatr Surg 2003, 38:236-242.
13. Rao P.M., Rhea J.T., Novelline R.A. Appendiceal and peri-appendiceal air at CT: Prevalence, appearance and clinical significance. Clin Radiol 1997, 52:750-754.
14. Clarke P.D. Computed-tomography of gangrenous appendicitis. J Comput Assist Tomogr 1987, 11:1081-1082.
15. Tsuboi M., Takase K., Kaneda I., et al. Perforated and nonperforated appendicitis: Defect in enhancing appendiceal wall-depiction with multi-detector row CT. Radiology 2008, 246:142-147.
16. Ives E.P., Sung S., McCue P., et al. Independent predictors of acute appendicitis on CT with pathologic correlation. Acad Radiol 2008, 15:996-1003.
17. Lim M.S. Gas-filled appendix-lack of diagnostic specificity. AJR Am J Roentgenol 1977, 128:209-210.
18. Balthazar E.J., Megibow A.J., Hulnick D., et al. CT of appendicitis. AJR Am J Roentgenol 1986, 147:705-710.
19. Ghiatas A.A., Chopra S., Chintapalli K.N., et al. Computed tomography of the normal appendix and acute appendicitis. Eur Radiol 1997, 7:1043-1047.
20. Grosskreutz S., Goff W.B., Balsara Z., et al. CT of the normal appendix. J Comput Assist Tomogr 1991, 15:575-577.
21. Paya K., Treitl C., Barousch A., et al. Appendicoliths and appendectomy in the pediatric population. Eur Surg Acta Chir Austriaca 2008, 40:27-29.
22. Kondo N., Kohno H. Retained appendicolith in an inflamed appendix. Emerg Radiol 2009, 16:105-109.
23. Guller U., Rosella L., McCall J., et al. Negative appendicectomy and perforation rates in patients undergoing laparoscopic surgery for suspected appendicitis. Br J Surg 2011, 98:589-595.