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Airborne Fungal Diseases
Fungal Infection
Immune Compromised Hosts
Cryptococcus
Candida
Skin Infection with Fungi
Fungal Contamination of Buildings
Fungi in Hospitals
Allergy to Fungi
Fungi in Food
Aspergillus

Blastomycosis
Introductory Article
My Blastomycosis Story
Fatal Brain Infection
Dr G's 2 slide culture
Blastomycosis Images
Blastomycosis Medical Literature
Reflections on an Illness

More About Air and Breathing
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Stephen Gislason MD

Blastomycosis Images

In Mucous Threads, Sputum Samples

The following photomicrographs were taken as high power views of stained slides made from the white mucous found in my sputum samples 20 minutes to 3 hours after collection.

In my 2 slide culture, yeast cell aggregate to create tubular structures. This metamorphosis begins within 2 hours of cooling at room temperature. All the yeast cells disappear into a root like structures within 2 days.

Sputum Sample 1000 x Yeast Cells of different sizes ( white) with immune cells, mostly lymphocytes (nuclei stained with crystal violet). Lymphocytes are often seen attached to the yeast cell wall. (Image by Stephen Gislason MD 2007)

Descriptions of the yeast phase of blastomycosis vary with the technique used to visualize them. Size estimates suggests and average of 20 microns in diameter. I have observed great variation in size from small budded daughter cells (estimated 4 microns) to giant yeast cells (greater than 40 microns) - one of the larger yeast cells is visible on the upper left of this image.

Enhanced contrast image of blastomycosis yeasts (not stained) and immune cells (dark stain). Sputum. 1000 x (Image by Stephen Gislason MD 2007)

Enhanced contrast image of blastomycosis yeasts and immune cells (stained blue). Sputum. 1000 x (Image by Stephen Gislason MD 2007)

After 14 Days, A Mature Blastomycosis fungal structure with mycelia. Grown in a 2-slide culture and stored at room temperature.

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