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HIV/AIDS
Carol C. Wu, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Clinical Issues

        TERMINOLOGY

        • Abbreviations

          • Human immunodeficiency virus (HIV)
          • Acquired immunodeficiency syndrome (AIDS)
        • Definitions

          • HIV: Retrovirus that infects helper T cells, macrophages, & dendritic cells → decrease in cell-mediated immunity
          • CD4 count: Helper T-cell level
            • Widely accepted measure of immunosuppression in HIV(+) patients
          • AIDS: HIV(+) patients with CD4 < 200 cells/μL at risk for opportunistic infections & malignant neoplasms

        IMAGING

        • General Features

          • Complications of HIV/AIDS

            • Imaging Recommendations

              DIFFERENTIAL DIAGNOSIS

                CLINICAL ISSUES

                • Presentation

                  • Demographics

                    • Natural History & Prognosis

                      • Treatment

                        DIAGNOSTIC CHECKLIST

                        • Image Interpretation Pearls

                          Selected References

                          1. Lichtenberger JP 3rd et al: What a differential a virus makes: a practical approach to thoracic imaging findings in the context of HIV infection--part 1, pulmonary findings. AJR Am J Roentgenol. 198(6):1295-304, 2012
                          2. Morris MI et al: Pulmonary infections in the immunocompromised host. Cardiopulmonary Imaging Categorical Course Syllabus, American Roentgen Ray Society. 85-103, 2005
                          3. Brecher CW et al: CT and radiography of bacterial respiratory infections in AIDS patients. AJR Am J Roentgenol. 180(5):1203-9, 2003
                          4. Boiselle PM et al: Update on lung disease in AIDS. Semin Roentgenol. 37(1):54-71, 2002
                          5. Saurborn DP et al: The imaging spectrum of pulmonary tuberculosis in AIDS. J Thorac Imaging. 17(1):28-33, 2002
                          6. Edinburgh KJ et al: Multiple pulmonary nodules in AIDS: usefulness of CT in distinguishing among potential causes. Radiology. 214(2):427-32, 2000
                          7. Kang EY et al: Detection and differential diagnosis of pulmonary infections and tumors in patients with AIDS: value of chest radiography versus CT. AJR Am J Roentgenol. 166(1):15-9, 1996
                          Related Anatomy
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                          Related Differential Diagnoses
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                          References
                          Tables

                          Tables

                          KEY FACTS

                          • Terminology

                            • Imaging

                              • Clinical Issues

                                TERMINOLOGY

                                • Abbreviations

                                  • Human immunodeficiency virus (HIV)
                                  • Acquired immunodeficiency syndrome (AIDS)
                                • Definitions

                                  • HIV: Retrovirus that infects helper T cells, macrophages, & dendritic cells → decrease in cell-mediated immunity
                                  • CD4 count: Helper T-cell level
                                    • Widely accepted measure of immunosuppression in HIV(+) patients
                                  • AIDS: HIV(+) patients with CD4 < 200 cells/μL at risk for opportunistic infections & malignant neoplasms

                                IMAGING

                                • General Features

                                  • Complications of HIV/AIDS

                                    • Imaging Recommendations

                                      DIFFERENTIAL DIAGNOSIS

                                        CLINICAL ISSUES

                                        • Presentation

                                          • Demographics

                                            • Natural History & Prognosis

                                              • Treatment

                                                DIAGNOSTIC CHECKLIST

                                                • Image Interpretation Pearls

                                                  Selected References

                                                  1. Lichtenberger JP 3rd et al: What a differential a virus makes: a practical approach to thoracic imaging findings in the context of HIV infection--part 1, pulmonary findings. AJR Am J Roentgenol. 198(6):1295-304, 2012
                                                  2. Morris MI et al: Pulmonary infections in the immunocompromised host. Cardiopulmonary Imaging Categorical Course Syllabus, American Roentgen Ray Society. 85-103, 2005
                                                  3. Brecher CW et al: CT and radiography of bacterial respiratory infections in AIDS patients. AJR Am J Roentgenol. 180(5):1203-9, 2003
                                                  4. Boiselle PM et al: Update on lung disease in AIDS. Semin Roentgenol. 37(1):54-71, 2002
                                                  5. Saurborn DP et al: The imaging spectrum of pulmonary tuberculosis in AIDS. J Thorac Imaging. 17(1):28-33, 2002
                                                  6. Edinburgh KJ et al: Multiple pulmonary nodules in AIDS: usefulness of CT in distinguishing among potential causes. Radiology. 214(2):427-32, 2000
                                                  7. Kang EY et al: Detection and differential diagnosis of pulmonary infections and tumors in patients with AIDS: value of chest radiography versus CT. AJR Am J Roentgenol. 166(1):15-9, 1996