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Appendicitis
Tara A. Morgan, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            TERMINOLOGY

            • Definitions

              • Acute inflammation of appendix, which may be precipitated by obstruction of lumen

            IMAGING

            • General Features

              • Ultrasonographic Findings

                • CT Findings

                  • MR Findings

                    • Imaging Recommendations

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          • Gross Pathologic & Surgical Features

                            • Microscopic Features

                              CLINICAL ISSUES

                              • Presentation

                                • Demographics

                                  • Natural History & Prognosis

                                    DIAGNOSTIC CHECKLIST

                                    • Consider

                                      • Image Interpretation Pearls

                                        Selected References

                                        1. Hamid MA et al: The importance of visualization of appendix on abdominal ultrasound for the diagnosis of appendicitis in children: a quality assessment review. World J Emerg Med. 11(3):140-4, 2020
                                        2. Jennings R et al: Cost-effectiveness of imaging protocols for suspected appendicitis. Pediatrics. 145(2), 2020
                                        3. Nicqeshen N et al: Role of clinical scoring system and imaging in acute appendicitis in adults: a review of literature. Med J Malaysia. 75(3):316-21, 2020
                                        4. Benedetto G et al: Suspicion of acute appendicitis in adults: the value of ultrasound in our hospital. Radiologia. 61(1):51-9, 2019
                                        5. Malia L et al: Diagnostic accuracy of laboratory and ultrasound findings in patients with a non-visualized appendix. Am J Emerg Med. 37(5):879-83, 2019
                                        6. Pelin M et al: Acute appendicitis: factors associated with inconclusive ultrasound study and the need for additional computed tomography. Diagn Interv Imaging. 99(12):809-14, 2018
                                        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

                                                  TERMINOLOGY

                                                  • Definitions

                                                    • Acute inflammation of appendix, which may be precipitated by obstruction of lumen

                                                  IMAGING

                                                  • General Features

                                                    • Ultrasonographic Findings

                                                      • CT Findings

                                                        • MR Findings

                                                          • Imaging Recommendations

                                                            DIFFERENTIAL DIAGNOSIS

                                                              PATHOLOGY

                                                              • General Features

                                                                • Gross Pathologic & Surgical Features

                                                                  • Microscopic Features

                                                                    CLINICAL ISSUES

                                                                    • Presentation

                                                                      • Demographics

                                                                        • Natural History & Prognosis

                                                                          DIAGNOSTIC CHECKLIST

                                                                          • Consider

                                                                            • Image Interpretation Pearls

                                                                              Selected References

                                                                              1. Hamid MA et al: The importance of visualization of appendix on abdominal ultrasound for the diagnosis of appendicitis in children: a quality assessment review. World J Emerg Med. 11(3):140-4, 2020
                                                                              2. Jennings R et al: Cost-effectiveness of imaging protocols for suspected appendicitis. Pediatrics. 145(2), 2020
                                                                              3. Nicqeshen N et al: Role of clinical scoring system and imaging in acute appendicitis in adults: a review of literature. Med J Malaysia. 75(3):316-21, 2020
                                                                              4. Benedetto G et al: Suspicion of acute appendicitis in adults: the value of ultrasound in our hospital. Radiologia. 61(1):51-9, 2019
                                                                              5. Malia L et al: Diagnostic accuracy of laboratory and ultrasound findings in patients with a non-visualized appendix. Am J Emerg Med. 37(5):879-83, 2019
                                                                              6. Pelin M et al: Acute appendicitis: factors associated with inconclusive ultrasound study and the need for additional computed tomography. Diagn Interv Imaging. 99(12):809-14, 2018