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Pediatrics
Diagnosis
Musculoskeletal
Trauma: General
Morel-Lavallée Lesion
Morel-Lavallée Lesion
A. Carlson Merrow, Jr., MD, FAAP
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KEY FACTS

  • Terminology

    • Imaging

      • Pathology

        • Clinical Issues

          TERMINOLOGY

          • Synonyms

            • Fat fracture, posttraumatic pseudocyst, chronic expanding hematoma

          • Definitions

            • Closed degloving injury of subcutaneous fat at interface with fascia
            • Results in chronic fluid collection (blood, lymph, necrotic fat)

          IMAGING

          • General Features

            • MR Findings

              • Ultrasonographic Findings

                DIFFERENTIAL DIAGNOSIS

                  PATHOLOGY

                  • General Features

                    • Gross Pathologic & Surgical Features

                      CLINICAL ISSUES

                      • Presentation

                        • Natural History & Prognosis

                          • Treatment

                            Selected References

                            1. Bonilla-Yoon I et al: The Morel-Lavallée lesion: pathophysiology, clinical presentation, imaging features, and treatment options. Emerg Radiol. 21(1):35-43, 2014
                            2. Rha EY et al: Morel-Lavallée lesion in children. World J Emerg Surg. 8(1):60, 2013
                            3. Shen C et al: Efficacy of treatment in peri-pelvic Morel-Lavallée lesion: a systematic review of the literature. Arch Orthop Trauma Surg. 133(5):635-40, 2013
                            4. van Gennip S et al: Pain at the knee: the Morel-Lavallée lesion, a case series. Clin J Sport Med. 22(2):163-6, 2012
                            5. Neal C et al: Sonography of Morel-Lavallée lesions. J Ultrasound Med. 27(7):1077-81, 2008
                            6. Mellado JM et al: Morel-Lavallée lesion: review with emphasis on MR imaging. Magn Reson Imaging Clin N Am. 13(4):775-82, 2005
                            Related Anatomy
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                            Related Differential Diagnoses
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                            References
                            Tables

                            Tables

                            KEY FACTS

                            • Terminology

                              • Imaging

                                • Pathology

                                  • Clinical Issues

                                    TERMINOLOGY

                                    • Synonyms

                                      • Fat fracture, posttraumatic pseudocyst, chronic expanding hematoma

                                    • Definitions

                                      • Closed degloving injury of subcutaneous fat at interface with fascia
                                      • Results in chronic fluid collection (blood, lymph, necrotic fat)

                                    IMAGING

                                    • General Features

                                      • MR Findings

                                        • Ultrasonographic Findings

                                          DIFFERENTIAL DIAGNOSIS

                                            PATHOLOGY

                                            • General Features

                                              • Gross Pathologic & Surgical Features

                                                CLINICAL ISSUES

                                                • Presentation

                                                  • Natural History & Prognosis

                                                    • Treatment

                                                      Selected References

                                                      1. Bonilla-Yoon I et al: The Morel-Lavallée lesion: pathophysiology, clinical presentation, imaging features, and treatment options. Emerg Radiol. 21(1):35-43, 2014
                                                      2. Rha EY et al: Morel-Lavallée lesion in children. World J Emerg Surg. 8(1):60, 2013
                                                      3. Shen C et al: Efficacy of treatment in peri-pelvic Morel-Lavallée lesion: a systematic review of the literature. Arch Orthop Trauma Surg. 133(5):635-40, 2013
                                                      4. van Gennip S et al: Pain at the knee: the Morel-Lavallée lesion, a case series. Clin J Sport Med. 22(2):163-6, 2012
                                                      5. Neal C et al: Sonography of Morel-Lavallée lesions. J Ultrasound Med. 27(7):1077-81, 2008
                                                      6. Mellado JM et al: Morel-Lavallée lesion: review with emphasis on MR imaging. Magn Reson Imaging Clin N Am. 13(4):775-82, 2005