TABLE 1.

Specimens for diagnosis of blastomycosis

InfectionSpecimen(s)
PneumoniaaSputum, bronchial washings, bronchoalveolar lavage
Cutaneous/subcutaneousDeep tissue biopsy specimen, scrapings, exudate
OsteoarticularJoint fluid, synovial tissue biopsy specimen, bone biopsy specimen
GenitourinaryProstate biopsy specimen, urine
MeningitisCerebrospinal fluid
Disseminated diseaseBone marrow
  • a Martynowicz et al. showed that the diagnostic yield (culture positivity rate) was highest for bronchial washings, followed by sputum (80).