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Idiopathic Pulmonary Artery Dilatation
Jud W. Gurney, MD, FACR
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KEY FACTS

  • TERMINOLOGY

    • IMAGING FINDINGS

      • DIFFERENTIAL DIAGNOSIS

        • PATHOLOGY

          • CLINICAL ISSUES

            • DIAGNOSTIC CHECKLIST

              TERMINOLOGY

              • Definitions

                • Normal resting mean pulmonary artery pressure < 20 mm Hg
                • Enlargement of the main pulmonary artery with or without dilatation of the right and left pulmonary arteries
                  • Idiopathic pulmonary artery dilatation a diagnosis of exclusion

              IMAGING FINDINGS

              • General Features

                • Radiographic Findings

                  • CT Findings

                    • MR Findings

                      • Echocardiographic 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

                                                Selected References

                                                1. Ring NJ et al: Idiopathic dilatation of the pulmonary artery. Br J Radiol. 75(894):532-5, 2002
                                                2. Hoeffel JC: Idiopathic dilatation of the pulmonary artery: report of four cases. Magn Reson Imaging. 19(5):761, 2001
                                                3. Corbi P et al: [Idiopathic aneurysm of the pulmonary artery trunk. Report of a case]. Ann Med Interne (Paris). 150(1):67-9, 1999
                                                4. Ugolini P et al: Idiopathic dilatation of the pulmonary artery: report of four cases. Magn Reson Imaging. 17(6):933-7, 1999
                                                5. Chang RY et al: Idiopathic dilatation of the pulmonary artery. A case presentation. Angiology. 47(1):87-92, 1996
                                                6. Andrews R et al: Pulmonary artery dissection in a patient with idiopathic dilatation of the pulmonary artery: a rare cause of sudden cardiac death. Br Heart J. 69(3):268-9, 1993
                                                7. Asayama J et al: Echocardiographic findings of idiopathic dilatation of the pulmonary artery. Chest. 71(5):671-3, 1977
                                                8. Wilhelm WC et al: Acquired pulmonic stenosis due to cardiac compression by a benign teratoma. Ann Thorac Surg. 7(1):38-41, 1969
                                                9. Befeler B et al: Idiopathic dilatation of the pulmonary artery. Am J Med Sci. 254(5):667-74, 1967
                                                Related Anatomy
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                                                Related Differential Diagnoses
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                                                References
                                                Tables

                                                Tables

                                                KEY FACTS

                                                • TERMINOLOGY

                                                  • IMAGING FINDINGS

                                                    • DIFFERENTIAL DIAGNOSIS

                                                      • PATHOLOGY

                                                        • CLINICAL ISSUES

                                                          • DIAGNOSTIC CHECKLIST

                                                            TERMINOLOGY

                                                            • Definitions

                                                              • Normal resting mean pulmonary artery pressure < 20 mm Hg
                                                              • Enlargement of the main pulmonary artery with or without dilatation of the right and left pulmonary arteries
                                                                • Idiopathic pulmonary artery dilatation a diagnosis of exclusion

                                                            IMAGING FINDINGS

                                                            • General Features

                                                              • Radiographic Findings

                                                                • CT Findings

                                                                  • MR Findings

                                                                    • Echocardiographic 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

                                                                                              Selected References

                                                                                              1. Ring NJ et al: Idiopathic dilatation of the pulmonary artery. Br J Radiol. 75(894):532-5, 2002
                                                                                              2. Hoeffel JC: Idiopathic dilatation of the pulmonary artery: report of four cases. Magn Reson Imaging. 19(5):761, 2001
                                                                                              3. Corbi P et al: [Idiopathic aneurysm of the pulmonary artery trunk. Report of a case]. Ann Med Interne (Paris). 150(1):67-9, 1999
                                                                                              4. Ugolini P et al: Idiopathic dilatation of the pulmonary artery: report of four cases. Magn Reson Imaging. 17(6):933-7, 1999
                                                                                              5. Chang RY et al: Idiopathic dilatation of the pulmonary artery. A case presentation. Angiology. 47(1):87-92, 1996
                                                                                              6. Andrews R et al: Pulmonary artery dissection in a patient with idiopathic dilatation of the pulmonary artery: a rare cause of sudden cardiac death. Br Heart J. 69(3):268-9, 1993
                                                                                              7. Asayama J et al: Echocardiographic findings of idiopathic dilatation of the pulmonary artery. Chest. 71(5):671-3, 1977
                                                                                              8. Wilhelm WC et al: Acquired pulmonic stenosis due to cardiac compression by a benign teratoma. Ann Thorac Surg. 7(1):38-41, 1969
                                                                                              9. Befeler B et al: Idiopathic dilatation of the pulmonary artery. Am J Med Sci. 254(5):667-74, 1967