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Gastrointestinal
Diagnosis
Peritoneum, Mesentery, and Abdominal Wall
Treatment Related
Postoperative State, Abdomen
Postoperative State, Abdomen
Siva P. Raman, MD
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KEY FACTS

  • Terminology

    • Imaging

      TERMINOLOGY

      • Definitions

        • Presence of fluid or gas in peritoneal cavity or body wall following surgery

      IMAGING

      • General Features

        • Imaging Recommendations

          • Radiographic Findings

            • CT Findings

              • Ultrasonographic Findings

                CLINICAL ISSUES

                • Natural History & Prognosis

                  DIAGNOSTIC CHECKLIST

                  • Image Interpretation Pearls

                    Selected References

                    1. Ng J et al: The left lateral projection is comparable to horizontal beam radiography for identifying experimental small volume pneumoperitoneum in the canine abdomen. Vet Radiol Ultrasound. 61(2):130-6, 2020
                    2. Shin D et al: Imaging of gastrointestinal tract perforation. Radiol Clin North Am. 58(1):19-44, 2020
                    3. Hannan E et al: The clinical dilemma of the persistent idiopathic pneumoperitoneum: a case report. Int J Surg Case Rep. 63:10-12, 2019
                    4. Indiran V et al: Enhanced peritoneal stripe sign. Abdom Radiol (NY). 43(12):3518-19, 2018
                    5. Peirce GS et al: Postoperative pneumoperitoneum on computed tomography: is the operation to blame? Am J Surg. 208(6):949-53, 2014
                    6. Ghaffar A et al: Postsurgical pneumoperitoneum - comparison of abdominal ultrasound findings with plain radiography. J Coll Physicians Surg Pak. 18(8):477-80, 2008
                    7. Power N et al: CT assessment of anastomotic bowel leak. Clin Radiol. 62(1):37-42, 2007
                    8. Gayer G et al: Postoperative pneumoperitoneum: prevalence, duration, and possible significance. Semin Ultrasound CT MR. 25(3):286-9, 2004
                    9. Shatari T et al: Duration of pneumoperitoneum on chest radiograph after open colorectal surgery. Tech Coloproctol. 8(1):27-30, 2004
                    10. Feingold DL et al: Persistent post-laparoscopy pneumoperitoneum. Surg Endosc. 17(2):296-9, 2003
                    11. Gayer G et al: Postoperative pneumoperitoneum as detected by CT: prevalence, duration, and relevant factors affecting its possible significance. Abdom Imaging. 25(3):301-5, 2000
                    12. Nielsen KT et al: Duration of postoperative pneumoperitoneum. Eur J Surg. 163(7):501-3, 1997
                    13. Earls JP et al: Prevalence and duration of postoperative pneumoperitoneum: sensitivity of CT vs left lateral decubitus radiography. AJR Am J Roentgenol. 161(4):781-5, 1993
                    14. Stapakis JC et al: Diagnosis of pneumoperitoneum: abdominal CT vs. upright chest film. J Comput Assist Tomogr. 16(5):713-6, 1992
                    Related Anatomy
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                    Related Differential Diagnoses
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                    References
                    Tables

                    Tables

                    KEY FACTS

                    • Terminology

                      • Imaging

                        TERMINOLOGY

                        • Definitions

                          • Presence of fluid or gas in peritoneal cavity or body wall following surgery

                        IMAGING

                        • General Features

                          • Imaging Recommendations

                            • Radiographic Findings

                              • CT Findings

                                • Ultrasonographic Findings

                                  CLINICAL ISSUES

                                  • Natural History & Prognosis

                                    DIAGNOSTIC CHECKLIST

                                    • Image Interpretation Pearls

                                      Selected References

                                      1. Ng J et al: The left lateral projection is comparable to horizontal beam radiography for identifying experimental small volume pneumoperitoneum in the canine abdomen. Vet Radiol Ultrasound. 61(2):130-6, 2020
                                      2. Shin D et al: Imaging of gastrointestinal tract perforation. Radiol Clin North Am. 58(1):19-44, 2020
                                      3. Hannan E et al: The clinical dilemma of the persistent idiopathic pneumoperitoneum: a case report. Int J Surg Case Rep. 63:10-12, 2019
                                      4. Indiran V et al: Enhanced peritoneal stripe sign. Abdom Radiol (NY). 43(12):3518-19, 2018
                                      5. Peirce GS et al: Postoperative pneumoperitoneum on computed tomography: is the operation to blame? Am J Surg. 208(6):949-53, 2014
                                      6. Ghaffar A et al: Postsurgical pneumoperitoneum - comparison of abdominal ultrasound findings with plain radiography. J Coll Physicians Surg Pak. 18(8):477-80, 2008
                                      7. Power N et al: CT assessment of anastomotic bowel leak. Clin Radiol. 62(1):37-42, 2007
                                      8. Gayer G et al: Postoperative pneumoperitoneum: prevalence, duration, and possible significance. Semin Ultrasound CT MR. 25(3):286-9, 2004
                                      9. Shatari T et al: Duration of pneumoperitoneum on chest radiograph after open colorectal surgery. Tech Coloproctol. 8(1):27-30, 2004
                                      10. Feingold DL et al: Persistent post-laparoscopy pneumoperitoneum. Surg Endosc. 17(2):296-9, 2003
                                      11. Gayer G et al: Postoperative pneumoperitoneum as detected by CT: prevalence, duration, and relevant factors affecting its possible significance. Abdom Imaging. 25(3):301-5, 2000
                                      12. Nielsen KT et al: Duration of postoperative pneumoperitoneum. Eur J Surg. 163(7):501-3, 1997
                                      13. Earls JP et al: Prevalence and duration of postoperative pneumoperitoneum: sensitivity of CT vs left lateral decubitus radiography. AJR Am J Roentgenol. 161(4):781-5, 1993
                                      14. Stapakis JC et al: Diagnosis of pneumoperitoneum: abdominal CT vs. upright chest film. J Comput Assist Tomogr. 16(5):713-6, 1992