Laboratory Diagnosis

Specimen Collection and Transport

See General Considerations for the Laboratory Diagnosis: of Fungal Infections.

Specimen Processing

See General Considerations for the Laboratory Diagno^ of Fungal Infections.

Direct Detection Methods

Stains. The microscopic morphologic features ® the tissue forms, or what has been termed the parasit^

Figure 50-68 Blastomyces dermatitidis, yeast form showing thick-walled, oval to round, single-budding, yeastlike cells (500x).

forms, of the dimorphic fungi vary with the genus and are described for each below.

Figure 50-69 The tissue form of Coccidioides immitis (i.e„ the spherule). The external wall of the spherule does not stain with the silver stain, whereas the internal endospores do stain (arrowhead). Also note how the juxtaposed endospores, which have been released from a spherule that has burst, resemble a budding yeast (arrow). GMS stain (400x).

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Bacterial Vaginosis Facts

Bacterial Vaginosis Facts

This fact sheet is designed to provide you with information on Bacterial Vaginosis. Bacterial vaginosis is an abnormal vaginal condition that is characterized by vaginal discharge and results from an overgrowth of atypical bacteria in the vagina.

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