Intra-nodal Injection of Gentamicin for the Treatment of Suppurated Cat Scratch Disease's Lymphadenitis

Inclusion Criteria:

• Informed consent

• Suppurated CSD's adenitis:

• Suppurated form of adenitis confirmed by echography

• Serology positive for Immunoglobulin G and/or Immunoglobulin M against B.henselae

Exclusion Criteria:

• Suppurated adenitis non related to CSD

• Non-suppurated CSD's adenitis

• Suppurated CSD's adenitis already fistulized

• Suspected visceral B. henselae infection (neurologic or ophthalmic symptoms,hepato-splenic or valvular involvement confirmed by echography)

• Immunodepression (except diabetes)

• Pregnancy

• Contraindication to pus aspiration from lymphadenitis (history of bleeding orpatient taking curative anticoagulation therapy or platelet count < 50.000/mm3)

• Contraindication to azithromycin (history of QT interval prolongation, history ofliver toxicity of hypersensitivity to macrolides or treatment with ergotamine,dihydroergotamine, bepridil, cisapride, pimozide, mizolastine or colchicine) or toaminoglycosides (myasthenia, history of hypersensitivity to aminoglycosides).