تفسیر محیط های کشت قارچی

Specimen

Aspergillus

Candida

Penicillium

Blood

Rare, may be significant or laboratory contaminant

Pathogenic and requires treatment (rare exceptions related to skin colonisation)

Not significant, a laboratory contaminant

Venous catheter

Rare, may be significant or laboratory contaminant

Probably significant – bloodstream infection likely, possibly silent.

Not significant, a laboratory contaminant

Tissue

Significant, if confirmed by histology

Significant, if confirmed by histology

Significant, if confirmed by histology

Pus or sterile site aspiration

Significant

Significant

Rare, probably significant, could be laboratory contamination

CSF

Significant

Significant

Probably laboratory contamination

Urine

Rare, possibly significant

Usually not significant. In immunocompromised or intensive care may signal disseminated candidiasis

Sputum, other respiratory samples

Often significant – allergic, chronic or invasive disease, especially if A. fumigatus

Rarely significant.

Not significant. Possibly significant in allergy.

Peritoneal discharge after surgery

Rare, probably laboratory contaminant

Often significant – Candida peritonitis

Rare, probably laboratory contaminant

CAPD fluid

Rare, possibly significant

Significant and serious

Rare, probably laboratory contaminant

Nails

Probably significant, if toenails.

Probably significant, if nail fold or clinical appearance is that of superficial white onychomycosis

Laboratory or skin contaminant

Ear swab

Probably significant, if A. niger. If A. fumigatus consider invasive otitis.

Probably significant

Laboratory or skin contaminant

Coea scraping

Probably significant

Probably significant

Rare, probably laboratory contaminant