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Aspiration
Andrew T. Trout, MD
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KEY FACTS

  • Imaging

    • Clinical Issues

      TERMINOLOGY

      • Definitions

        • Aspiration
          • Inhalation or transit of foreign material below vocal folds into trachea or bronchial tree
          • Can cause chemical pneumonitis, superimposed pneumonia, bronchospasm, lung parenchymal/bronchial damage, scar
          • Chronic aspiration caused by
            • Anatomic etiologies (e.g., cleft palate, growth delay)
            • Neurological etiologies (e.g., cerebral palsy, neuromuscular disease)
            • Gastroesophageal reflux

      IMAGING

      • General Features

        • Radiographic Findings

          • CT Findings

            • MR Findings

              • Imaging Recommendations

                DIFFERENTIAL DIAGNOSIS

                  CLINICAL ISSUES

                  • Presentation

                    • Demographics

                      • Natural History & Prognosis

                        • Treatment

                          DIAGNOSTIC CHECKLIST

                          • Consider

                            Selected References

                            1. Yang J et al: Radionuclide salivagram and gastroesophageal reflux scintigraphy in pediatric patients: Targeting different types of pulmonary aspiration. Clin Nucl Med. 40(7):559-63, 2015
                            2. Drubach LA et al: Utility of salivagram in pulmonary aspiration in pediatric patients: comparison of salivagram and chest radiography. AJR Am J Roentgenol. 200(2):437-41, 2013
                            3. Somasundaram VH et al: Salivagram revisited: justifying its routine use for the evaluation of persistent/recurrent lower respiratory tract infections in developmentally normal children. Ann Nucl Med. 26(7):578-85, 2012
                            4. Simons JP et al: Clinical predictors of aspiration on radionuclide salivagrams in children. Arch Otolaryngol Head Neck Surg. 134(9):941-4, 2008
                            5. Baikie G et al: Agreement of aspiration tests using barium videofluoroscopy, salivagram, and milk scan in children with cerebral palsy. Dev Med Child Neurol. 47(2):86-93, 2005
                            Related Anatomy
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                            Related Differential Diagnoses
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                            References
                            Tables

                            Tables

                            KEY FACTS

                            • Imaging

                              • Clinical Issues

                                TERMINOLOGY

                                • Definitions

                                  • Aspiration
                                    • Inhalation or transit of foreign material below vocal folds into trachea or bronchial tree
                                    • Can cause chemical pneumonitis, superimposed pneumonia, bronchospasm, lung parenchymal/bronchial damage, scar
                                    • Chronic aspiration caused by
                                      • Anatomic etiologies (e.g., cleft palate, growth delay)
                                      • Neurological etiologies (e.g., cerebral palsy, neuromuscular disease)
                                      • Gastroesophageal reflux

                                IMAGING

                                • General Features

                                  • Radiographic Findings

                                    • CT Findings

                                      • MR Findings

                                        • Imaging Recommendations

                                          DIFFERENTIAL DIAGNOSIS

                                            CLINICAL ISSUES

                                            • Presentation

                                              • Demographics

                                                • Natural History & Prognosis

                                                  • Treatment

                                                    DIAGNOSTIC CHECKLIST

                                                    • Consider

                                                      Selected References

                                                      1. Yang J et al: Radionuclide salivagram and gastroesophageal reflux scintigraphy in pediatric patients: Targeting different types of pulmonary aspiration. Clin Nucl Med. 40(7):559-63, 2015
                                                      2. Drubach LA et al: Utility of salivagram in pulmonary aspiration in pediatric patients: comparison of salivagram and chest radiography. AJR Am J Roentgenol. 200(2):437-41, 2013
                                                      3. Somasundaram VH et al: Salivagram revisited: justifying its routine use for the evaluation of persistent/recurrent lower respiratory tract infections in developmentally normal children. Ann Nucl Med. 26(7):578-85, 2012
                                                      4. Simons JP et al: Clinical predictors of aspiration on radionuclide salivagrams in children. Arch Otolaryngol Head Neck Surg. 134(9):941-4, 2008
                                                      5. Baikie G et al: Agreement of aspiration tests using barium videofluoroscopy, salivagram, and milk scan in children with cerebral palsy. Dev Med Child Neurol. 47(2):86-93, 2005