diagnostic challenge

Small Colony Variants: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Small Colony Variants (SCVs) are a subpopulation of bacteria that grow slowly and form unusually small colonies on culture…

11 months ago

Prototheca: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Prototheca is an achlorophyllic algae that infects humans and animals. It lacks chlorophyll and cannot perform photosynthesis. Moreover, it…

1 year ago

Presence of Numerous Pus Cells Without Detectable Microbes in Gram-Stained Sputum: Introduction, Diagnostic Implications, and Clinical Considerations

Introduction Gram staining is a routine diagnostic tool for respiratory infections. It reveals bacteria in sputum samples. Occasionally, Gram staining…

2 years ago