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Biliary Ductal Gas
L. Nayeli Morimoto, MD; Aya Kamaya, MD, FSRU, FSAR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Synonyms

                • Pneumobilia, aerobilia
              • Definitions

                • Gas within biliary tree including bile ducts or gallbladder

              IMAGING

              • General Features

                • Ultrasonographic Findings

                  • CT Findings

                    • Radiographic Findings

                      • Fluoroscopic Findings

                        • MR Findings

                          • Imaging Recommendations

                            DIFFERENTIAL DIAGNOSIS

                              PATHOLOGY

                              • General Features

                                CLINICAL ISSUES

                                • Natural History & Prognosis

                                  DIAGNOSTIC CHECKLIST

                                  • Consider

                                    • Image Interpretation Pearls

                                      Selected References

                                      1. Shah PA et al: Hepatic gas: widening spectrum of causes detected at CT and US in the interventional era. Radiographics. 31(5):1403-13, 2011
                                      2. Catalano OA et al: Biliary infections: spectrum of imaging findings and management. Radiographics. 29(7):2059-80, 2009
                                      3. Merkle EM: Pneumobilia: where to look for on hepatic MR imaging? Eur Radiol. 16(10):2366-8, 2006
                                      4. Sherman SC et al: Pneumobilia: benign or life-threatening. J Emerg Med. 30(2):147-53, 2006
                                      5. Okuda K et al: Sonographic features of hepatic artery calcification in chronic renal failure. Acta Radiol. 44(2):151-3, 2003
                                      6. Rubin JM et al: Clean and dirty shadowing at US: a reappraisal. Radiology. 181(1):231-6, 1991
                                      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

                                                  TERMINOLOGY

                                                  • Synonyms

                                                    • Pneumobilia, aerobilia
                                                  • Definitions

                                                    • Gas within biliary tree including bile ducts or gallbladder

                                                  IMAGING

                                                  • General Features

                                                    • Ultrasonographic Findings

                                                      • CT Findings

                                                        • Radiographic Findings

                                                          • Fluoroscopic Findings

                                                            • MR Findings

                                                              • Imaging Recommendations

                                                                DIFFERENTIAL DIAGNOSIS

                                                                  PATHOLOGY

                                                                  • General Features

                                                                    CLINICAL ISSUES

                                                                    • Natural History & Prognosis

                                                                      DIAGNOSTIC CHECKLIST

                                                                      • Consider

                                                                        • Image Interpretation Pearls

                                                                          Selected References

                                                                          1. Shah PA et al: Hepatic gas: widening spectrum of causes detected at CT and US in the interventional era. Radiographics. 31(5):1403-13, 2011
                                                                          2. Catalano OA et al: Biliary infections: spectrum of imaging findings and management. Radiographics. 29(7):2059-80, 2009
                                                                          3. Merkle EM: Pneumobilia: where to look for on hepatic MR imaging? Eur Radiol. 16(10):2366-8, 2006
                                                                          4. Sherman SC et al: Pneumobilia: benign or life-threatening. J Emerg Med. 30(2):147-53, 2006
                                                                          5. Okuda K et al: Sonographic features of hepatic artery calcification in chronic renal failure. Acta Radiol. 44(2):151-3, 2003
                                                                          6. Rubin JM et al: Clean and dirty shadowing at US: a reappraisal. Radiology. 181(1):231-6, 1991