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Segmental Omental Infarction
Alexandra Medellin, MD; Stephanie R. Wilson, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              • Scanning Tips

                TERMINOLOGY

                • Abbreviations

                  • Omental infarction (OI)
                • Definitions

                  • Primary OI refers to vascular compromise of omentum ± torsion
                  • Secondary OI may result from torsion due to attachment from surgical scar or neoplasm, trauma, or hernial incarceration

                IMAGING

                • General Features

                  • Imaging Recommendations

                    • CT Findings

                      • Ultrasonographic Findings

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • General Features

                            • Staging, Grading, & Classification

                              CLINICAL ISSUES

                              • Presentation

                                • Demographics

                                  • Natural History & Prognosis

                                    • Treatment

                                      Selected References

                                      1. Kamr WH et al: Multislice computed tomography evaluation of primary abdominal fat necrosis: a rare cause of acute abdominal pain. Pol J Radiol. 84:e389-96, 2019
                                      2. Mani VR et al: Omental Infarction with acute appendicitis in an overweight young female: a rare presentation. Case Rep Surg. 2019:8053931, 2019
                                      3. Tonerini M et al: Omental infarction and its mimics: imaging features of acute abdominal conditions presenting with fat stranding greater than the degree of bowel wall thickening. Emerg Radiol. 22(4):431-6, 2015
                                      4. Barai KP et al: Diagnosis and management of idiopathic omental infarction: A case report. Int J Surg Case Rep. 2(6):138-40, 2011
                                      5. Yoo E et al: Greater and lesser omenta: normal anatomy and pathologic processes. Radiographics. 27(3):707-20, 2007
                                      6. Bachar GN et al: Sonographic diagnosis of right segmental omental infarction. J Clin Ultrasound. 33(2):76-9, 2005
                                      7. Baldisserotto M et al: Omental infarction in children: color Doppler sonography correlated with surgery and pathology findings. AJR Am J Roentgenol. 184(1):156-62, 2005
                                      8. Singh AK et al. Acute epiploic appendagitis and its mimics.  Radiographics. 25(6): 1521-34, 2005
                                      Related Anatomy
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                                      Related Differential Diagnoses
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                                      References
                                      Tables

                                      Tables

                                      KEY FACTS

                                      • Terminology

                                        • Imaging

                                          • Top Differential Diagnoses

                                            • Pathology

                                              • Clinical Issues

                                                • Diagnostic Checklist

                                                  • Scanning Tips

                                                    TERMINOLOGY

                                                    • Abbreviations

                                                      • Omental infarction (OI)
                                                    • Definitions

                                                      • Primary OI refers to vascular compromise of omentum ± torsion
                                                      • Secondary OI may result from torsion due to attachment from surgical scar or neoplasm, trauma, or hernial incarceration

                                                    IMAGING

                                                    • General Features

                                                      • Imaging Recommendations

                                                        • CT Findings

                                                          • Ultrasonographic Findings

                                                            DIFFERENTIAL DIAGNOSIS

                                                              PATHOLOGY

                                                              • General Features

                                                                • Staging, Grading, & Classification

                                                                  CLINICAL ISSUES

                                                                  • Presentation

                                                                    • Demographics

                                                                      • Natural History & Prognosis

                                                                        • Treatment

                                                                          Selected References

                                                                          1. Kamr WH et al: Multislice computed tomography evaluation of primary abdominal fat necrosis: a rare cause of acute abdominal pain. Pol J Radiol. 84:e389-96, 2019
                                                                          2. Mani VR et al: Omental Infarction with acute appendicitis in an overweight young female: a rare presentation. Case Rep Surg. 2019:8053931, 2019
                                                                          3. Tonerini M et al: Omental infarction and its mimics: imaging features of acute abdominal conditions presenting with fat stranding greater than the degree of bowel wall thickening. Emerg Radiol. 22(4):431-6, 2015
                                                                          4. Barai KP et al: Diagnosis and management of idiopathic omental infarction: A case report. Int J Surg Case Rep. 2(6):138-40, 2011
                                                                          5. Yoo E et al: Greater and lesser omenta: normal anatomy and pathologic processes. Radiographics. 27(3):707-20, 2007
                                                                          6. Bachar GN et al: Sonographic diagnosis of right segmental omental infarction. J Clin Ultrasound. 33(2):76-9, 2005
                                                                          7. Baldisserotto M et al: Omental infarction in children: color Doppler sonography correlated with surgery and pathology findings. AJR Am J Roentgenol. 184(1):156-62, 2005
                                                                          8. Singh AK et al. Acute epiploic appendagitis and its mimics.  Radiographics. 25(6): 1521-34, 2005