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Laboratory Diagnosis of Fungal Infections

The Last Course

Methenamine-Silver Stain of Vegetation

Slide 20

September 2011

Well, this is a methanamine-silver stain of the vegetation and I was approached by a cardiac pathologist and a resident with a slide and they said, “Can you tell us what this is?” So I looked at it and I said, “I don’t know what it is. It is a fungus, but I can’t tell you what it is just by looking at this.” But basically what we saw here were hyphae, swollen round cells in there and they were all methanamine-silver positive which indicated it was truly fungal.

Methenamine-Silver Stain of Vegetation


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