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Suppurative Adenitis
Bernadette L. Koch, MD; Nicholas A. Koontz, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Diagnostic Checklist

            TERMINOLOGY

            • Synonyms

              • Adenitis, acute lymphadenitis, intranodal abscess
            • Definitions

              • Pus formation within nodes from bacterial infection

            IMAGING

            • General Features

              • Ultrasonographic Findings

                • CT Findings

                  • MR Findings

                    • Nuclear Medicine 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. Kimia AA et al: Predictors of a drainable suppurative adenitis among children presenting with cervical adenopathy. Am J Emerg Med. 37(1):109-13, 2018
                                            2. Brook I: Fusobacterial head and neck infections in children. Int J Pediatr Otorhinolaryngol. 79(7):953-8, 2015
                                            3. Eisenmenger LB et al: Imaging of head and neck lymph nodes. Radiol Clin North Am. 53(1):115-32, 2015
                                            4. Worley ML et al: Suppurative cervical lymphadenitis in infancy: microbiology and sociology. Clin Pediatr (Phila). 54(7):629-34, 2015
                                            5. Lee DY et al: Neck computed tomography in pediatric neck mass as initial evaluation in ED: is it malpractice? Am J Emerg Med. 32(10):1237-40, 2014
                                            6. Martin CA et al: Contribution of CT scan and CT-guided aspiration in the management of retropharyngeal abscess in children based on a series of 18 cases. Eur Ann Otorhinolaryngol Head Neck Dis. 131(5):277-82, 2014
                                            7. Kato H et al: Necrotic cervical nodes: usefulness of diffusion-weighted MR imaging in the differentiation of suppurative lymphadenitis from malignancy. Eur J Radiol. 82(1):e28-35, 2013
                                            8. Sauer MW et al: Acute neck infections in children: who is likely to undergo surgical drainage? Am J Emerg Med. 31(6):906-9, 2013
                                            9. Hegde AN et al: Imaging in infections of the head and neck. Neuroimaging Clin N Am. 22(4):727-54, 2012
                                            10. Guss J et al: Antibiotic-resistant Staphylococcus aureus in community-acquired pediatric neck abscesses. Int J Pediatr Otorhinolaryngol. 71(6):943-8, 2007
                                            11. Niedzielska G et al: Cervical lymphadenopathy in children--incidence and diagnostic management. Int J Pediatr Otorhinolaryngol. 71(1):51-6, 2007
                                            12. Luu TM et al: Acute adenitis in children: clinical course and factors predictive of surgical drainage. J Paediatr Child Health. 41(5-6):273-7, 2005
                                            13. Coticchia JM et al: Age-, site-, and time-specific differences in pediatric deep neck abscesses. Arch Otolaryngol Head Neck Surg. 130(2):201-7, 2004
                                            14. Cmejrek RC et al: Presentation, diagnosis, and management of deep-neck abscesses in infants. Arch Otolaryngol Head Neck Surg. 128(12):1361-4, 2002
                                            15. Papakonstantinou O et al: High-resolution and color Doppler ultrasonography of cervical lymphadenopathy in children. Acta Radiol. 42(5):470-6, 2001
                                            16. Hudgins PA: Nodal and nonnodal inflammatory processes of the pediatric neck. Neuroimaging Clin N Am. 10(1):181-92, ix, 2000
                                            17. Stone ME et al: Correlation between computed tomography and surgical findings in retropharyngeal inflammatory processes in children. Int J Pediatr Otorhinolaryngol. 49(2):121-5, 1999
                                            Related Anatomy
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                                            Related Differential Diagnoses
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                                            References
                                            Tables

                                            Tables

                                            KEY FACTS

                                            • Terminology

                                              • Imaging

                                                • Top Differential Diagnoses

                                                  • Pathology

                                                    • Diagnostic Checklist

                                                      TERMINOLOGY

                                                      • Synonyms

                                                        • Adenitis, acute lymphadenitis, intranodal abscess
                                                      • Definitions

                                                        • Pus formation within nodes from bacterial infection

                                                      IMAGING

                                                      • General Features

                                                        • Ultrasonographic Findings

                                                          • CT Findings

                                                            • MR Findings

                                                              • Nuclear Medicine 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. Kimia AA et al: Predictors of a drainable suppurative adenitis among children presenting with cervical adenopathy. Am J Emerg Med. 37(1):109-13, 2018
                                                                                      2. Brook I: Fusobacterial head and neck infections in children. Int J Pediatr Otorhinolaryngol. 79(7):953-8, 2015
                                                                                      3. Eisenmenger LB et al: Imaging of head and neck lymph nodes. Radiol Clin North Am. 53(1):115-32, 2015
                                                                                      4. Worley ML et al: Suppurative cervical lymphadenitis in infancy: microbiology and sociology. Clin Pediatr (Phila). 54(7):629-34, 2015
                                                                                      5. Lee DY et al: Neck computed tomography in pediatric neck mass as initial evaluation in ED: is it malpractice? Am J Emerg Med. 32(10):1237-40, 2014
                                                                                      6. Martin CA et al: Contribution of CT scan and CT-guided aspiration in the management of retropharyngeal abscess in children based on a series of 18 cases. Eur Ann Otorhinolaryngol Head Neck Dis. 131(5):277-82, 2014
                                                                                      7. Kato H et al: Necrotic cervical nodes: usefulness of diffusion-weighted MR imaging in the differentiation of suppurative lymphadenitis from malignancy. Eur J Radiol. 82(1):e28-35, 2013
                                                                                      8. Sauer MW et al: Acute neck infections in children: who is likely to undergo surgical drainage? Am J Emerg Med. 31(6):906-9, 2013
                                                                                      9. Hegde AN et al: Imaging in infections of the head and neck. Neuroimaging Clin N Am. 22(4):727-54, 2012
                                                                                      10. Guss J et al: Antibiotic-resistant Staphylococcus aureus in community-acquired pediatric neck abscesses. Int J Pediatr Otorhinolaryngol. 71(6):943-8, 2007
                                                                                      11. Niedzielska G et al: Cervical lymphadenopathy in children--incidence and diagnostic management. Int J Pediatr Otorhinolaryngol. 71(1):51-6, 2007
                                                                                      12. Luu TM et al: Acute adenitis in children: clinical course and factors predictive of surgical drainage. J Paediatr Child Health. 41(5-6):273-7, 2005
                                                                                      13. Coticchia JM et al: Age-, site-, and time-specific differences in pediatric deep neck abscesses. Arch Otolaryngol Head Neck Surg. 130(2):201-7, 2004
                                                                                      14. Cmejrek RC et al: Presentation, diagnosis, and management of deep-neck abscesses in infants. Arch Otolaryngol Head Neck Surg. 128(12):1361-4, 2002
                                                                                      15. Papakonstantinou O et al: High-resolution and color Doppler ultrasonography of cervical lymphadenopathy in children. Acta Radiol. 42(5):470-6, 2001
                                                                                      16. Hudgins PA: Nodal and nonnodal inflammatory processes of the pediatric neck. Neuroimaging Clin N Am. 10(1):181-92, ix, 2000
                                                                                      17. Stone ME et al: Correlation between computed tomography and surgical findings in retropharyngeal inflammatory processes in children. Int J Pediatr Otorhinolaryngol. 49(2):121-5, 1999