Tuberculous adenitis: Difference between revisions

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== Clinical Manifestations ==
==Clinical Manifestations==


=== Paradoxical Reactions ===
===Paradoxical Reactions===


* Paradoxial reaction including paradoxical upgrading reaction
*Paradoxial reaction including paradoxical upgrading reaction
*Presents with enlarging lymphadenopathy during or sometimes after treatment
* Occurs in 25% of adenitis
*Occurs in 25% of adenitis
** Usually during treatment but can occur after treatment
* Likely reaction to antigenic stimulus in poorly-cleared disease
*Likely represents a reaction to an antigenic stimulus in poorly-cleared disease
* In post-treatment paradoxical reactions, need to differentiate from relapse
*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
*About half will be PCR positive, 20% will be AFB positive, but none are culture positive
*90% resolve spontaneously
*Steroids used commonly


[[Category:Tuberculosis]]
[[Category:Tuberculosis]]

Revision as of 13:44, 25 November 2020

Clinical Manifestations

Paradoxical Reactions

  • Paradoxial reaction including paradoxical upgrading reaction
  • Presents with enlarging lymphadenopathy during or sometimes after treatment
  • Occurs in 25% of adenitis
  • 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

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.