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Acute Subdural Hematoma
Anne G. Osborn, MD, FACR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            TERMINOLOGY

            • Abbreviations

              • Acute subdural hematoma (aSDH)
            • Definitions

              • Acute blood in or between inner border cell layer of dura and arachnoid

            IMAGING

            • General Features

              • CT Findings

                • MR Findings

                  • Angiographic Findings

                    • Imaging Recommendations

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          • Gross Pathologic & Surgical Features

                            • Microscopic Features

                              CLINICAL ISSUES

                              • Presentation

                                • Demographics

                                  • Natural History & Prognosis

                                    • Treatment

                                      DIAGNOSTIC CHECKLIST

                                      • Consider

                                        • Image Interpretation Pearls

                                          • Reporting Tips

                                            Selected References

                                            1. de Oliveira A et al: Rare acute idiopathic subdural hematoma: a case report and literature review. Surg Neurol Int. 11:9, 2020
                                            2. Kayahara T et al: Predictors of subacute hematoma expansion requiring surgical evacuation after initial conservative treatment in patients with acute subdural hematoma. Acta Neurochir (Wien). 162(2):357-63, 2020
                                            3. Léveillé E et al: Clinical characterization of traumatic acute interhemispheric subdural hematoma. Can J Neurol Sci. 1-7, 2020
                                            4. Zhou Z et al: Evaluation of brain-skull interface modelling approaches on the prediction of acute subdural hematoma in the elderly. J Biomech. 109787, 2020
                                            5. Zhou Z et al: Biomechanics of acute subdural hematoma in the elderly: a fluid-structure interaction study. J Neurotrauma. 36(13):2099-108, 2019
                                            6. Devulapalli KK et al: Utility of repeat head CT in patients with blunt traumatic brain injury presenting with small isolated falcine or tentorial subdural hematomas. AJNR Am J Neuroradiol. 39(4):654-7, 2018
                                            7. Orlando A et al: Isolated subdural hematomas in mild traumatic brain injury. Part 2: a preliminary clinical decision support tool for neurosurgical intervention. J Neurosurg. 1-8, 2018
                                            8. Howard BM et al: Management and outcomes of isolated tentorial and parafalcine "smear" subdural hematomas at a level-1 trauma center: necessity of high acuity care. J Neurotrauma. 34(1):128-36, 2017
                                            9. Vega RA et al: Natural history of acute subdural hematoma. Neurosurg Clin N Am. 28(2):247-55, 2017
                                            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

                                                      • Abbreviations

                                                        • Acute subdural hematoma (aSDH)
                                                      • Definitions

                                                        • Acute blood in or between inner border cell layer of dura and arachnoid

                                                      IMAGING

                                                      • General Features

                                                        • CT Findings

                                                          • MR Findings

                                                            • Angiographic Findings

                                                              • Imaging Recommendations

                                                                DIFFERENTIAL DIAGNOSIS

                                                                  PATHOLOGY

                                                                  • General Features

                                                                    • Gross Pathologic & Surgical Features

                                                                      • Microscopic Features

                                                                        CLINICAL ISSUES

                                                                        • Presentation

                                                                          • Demographics

                                                                            • Natural History & Prognosis

                                                                              • Treatment

                                                                                DIAGNOSTIC CHECKLIST

                                                                                • Consider

                                                                                  • Image Interpretation Pearls

                                                                                    • Reporting Tips

                                                                                      Selected References

                                                                                      1. de Oliveira A et al: Rare acute idiopathic subdural hematoma: a case report and literature review. Surg Neurol Int. 11:9, 2020
                                                                                      2. Kayahara T et al: Predictors of subacute hematoma expansion requiring surgical evacuation after initial conservative treatment in patients with acute subdural hematoma. Acta Neurochir (Wien). 162(2):357-63, 2020
                                                                                      3. Léveillé E et al: Clinical characterization of traumatic acute interhemispheric subdural hematoma. Can J Neurol Sci. 1-7, 2020
                                                                                      4. Zhou Z et al: Evaluation of brain-skull interface modelling approaches on the prediction of acute subdural hematoma in the elderly. J Biomech. 109787, 2020
                                                                                      5. Zhou Z et al: Biomechanics of acute subdural hematoma in the elderly: a fluid-structure interaction study. J Neurotrauma. 36(13):2099-108, 2019
                                                                                      6. Devulapalli KK et al: Utility of repeat head CT in patients with blunt traumatic brain injury presenting with small isolated falcine or tentorial subdural hematomas. AJNR Am J Neuroradiol. 39(4):654-7, 2018
                                                                                      7. Orlando A et al: Isolated subdural hematomas in mild traumatic brain injury. Part 2: a preliminary clinical decision support tool for neurosurgical intervention. J Neurosurg. 1-8, 2018
                                                                                      8. Howard BM et al: Management and outcomes of isolated tentorial and parafalcine "smear" subdural hematomas at a level-1 trauma center: necessity of high acuity care. J Neurotrauma. 34(1):128-36, 2017
                                                                                      9. Vega RA et al: Natural history of acute subdural hematoma. Neurosurg Clin N Am. 28(2):247-55, 2017