Lymphadenitis in children

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Feature Non-Tuberculous Mycobacteria Tuberculosis Suppurative Lymphadenitis
Species Mycobacterium avium complex, Mycobacterium haemophilum, Mycobacterium malmoense, Mycobacterium kansasii Mycobacterium tuberculosis Staphylococcus aureus, Streptococcus pyogenes
Age <5 years >10 years all ages
Tuberculosis Risk Factors abset present absent
Time Course weeks to months weeks to months days
Location unilateral uni or bilateral unilateral
Skin Changes re-purple discoloration none red discoloration, warm, tender
Constitutional Symptoms rare common rare
Elevated CRP/ESR/WBC normal or mildly elevated elevated elevated
TST >10 mm 30-60% 70-90% none
IGRA negative positive 70-80% negative