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Ultrasound
Diagnosis
Musculoskeletal
Soft Tissue and Bone Tumors
Lymph Node Abnormality
Lymph Node Abnormality
Esther H. Y. Hung, MBChB, FRCR, FHKCR, FHKAM (Radiology); James F. Griffith, MD, MRCP, FRCR
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KEY FACTS

  • Imaging

    • Top Differential Diagnoses

      • Clinical Issues

        • Diagnostic Checklist

          TERMINOLOGY

          • Synonyms

            • Lymphadenopathy, adenopathy, lymph node enlargement, lymphadenitis

          • Definitions

            • Reactive node
              • Benign enlargement of node in response to antigenic stimuli, including infection and inflammation
            • Metastatic node
              • Enlargement of node due to metastatic infiltration
            • Lymphomatous node
              • Enlargement of node due to lymphoma infiltration
            • Tuberculous node
              • Enlargement of node due to tuberculous infection
            • Lymphadenitis
              • Enlargement of node due to bacterial or fungal infection

          IMAGING

          • General Features

            • CT Findings

              • Ultrasonographic Findings

                • Imaging Recommendations

                  DIFFERENTIAL DIAGNOSIS

                    PATHOLOGY

                    • General Features

                      CLINICAL ISSUES

                      • Presentation

                        • Treatment

                          DIAGNOSTIC CHECKLIST

                          • Consider

                            Selected References

                            1. Tan S et al: Value of shear wave elastography versus contrast-enhanced sonography for differentiating benign and malignant superficial lymphadenopathy unexplained by conventional sonography. J Ultrasound Med. 36(1):189-199, 2017
                            Related Anatomy
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                            Related Differential Diagnoses
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                            References
                            Tables

                            Tables

                            KEY FACTS

                            • Imaging

                              • Top Differential Diagnoses

                                • Clinical Issues

                                  • Diagnostic Checklist

                                    TERMINOLOGY

                                    • Synonyms

                                      • Lymphadenopathy, adenopathy, lymph node enlargement, lymphadenitis

                                    • Definitions

                                      • Reactive node
                                        • Benign enlargement of node in response to antigenic stimuli, including infection and inflammation
                                      • Metastatic node
                                        • Enlargement of node due to metastatic infiltration
                                      • Lymphomatous node
                                        • Enlargement of node due to lymphoma infiltration
                                      • Tuberculous node
                                        • Enlargement of node due to tuberculous infection
                                      • Lymphadenitis
                                        • Enlargement of node due to bacterial or fungal infection

                                    IMAGING

                                    • General Features

                                      • CT Findings

                                        • Ultrasonographic Findings

                                          • Imaging Recommendations

                                            DIFFERENTIAL DIAGNOSIS

                                              PATHOLOGY

                                              • General Features

                                                CLINICAL ISSUES

                                                • Presentation

                                                  • Treatment

                                                    DIAGNOSTIC CHECKLIST

                                                    • Consider

                                                      Selected References

                                                      1. Tan S et al: Value of shear wave elastography versus contrast-enhanced sonography for differentiating benign and malignant superficial lymphadenopathy unexplained by conventional sonography. J Ultrasound Med. 36(1):189-199, 2017