Tuberculous adenitis

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Clinical Manifestations

Paradoxical Reactions

  • Paradoxical reactions including paradoxical upgrading reaction are fairly common, occuring in about a quarter of cases1
  • Presents with enlarging lymphadenopathy during (or sometimes afterCiteRef::hermans2024po) treatment
  • Likely represents a reaction to an antigenic stimulus in poorly-cleared disease
  • In post-treatment paradoxical reactions, need to differentiate from relapse
  • About half will be PCR positive, 20% will be AFB positive, but none are culture positive
  • 90% resolve spontaneously
  • Steroids used commonly

Relapse

  • About 2-3% of patients will have a relapse within 20 months2

References

  1. ^  C. R. Hawkey, T. Yap, J. Pereira, D. A. J. Moore, R. N. Davidson, G. Pasvol, O. M. Kon, R. A. Wall, R. J. Wilkinson. Characterization and Management of Paradoxical Upgrading Reactions in HIV-Uninfected Patients with Lymph Node Tuberculosis. Clinical Infectious Diseases. 2005;40(9):1368-1371. doi:10.1086/429317.
  2. ^  JH van Loenhout-Rooyackers, RJ Laheij, C Richter, AL Verbeek. Shortening the duration of treatment for cervical tuberculous lymphadenitis. European Respiratory Journal. 2000;15(1):192-195. doi:10.1183/09031936.00.15119200.