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Old 12-06-2009
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Lungs Pneumonia in California

A 45 year old women from California presented with fever, arthritis, pneumonia, and skin lesion over the anterior legs.
Skin scrapings treated with PAS stain revealed this
Pneumonia in California-11029_lores.jpg
Image from CDC public domain - Dr. Gary Caroll

What is the treatment of choice
a- ampicillin
b- flucanazole
c- tetracycline
e- TMP-SMX
f- cephalosporin
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Old 12-07-2009
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Old 12-07-2009
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e?? This question drove me up the wall, lol. There are only a few organisms that are Acid fast and can stain with PAS. I was thinking Nocardia psuedoTB but I have no idea...
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Old 12-07-2009
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Diagnosis: Coccidiodis immitis
Treatment: Flucanazole
Clues: California, Pneumonia, Erythema nodosum
Micrograph: Tissue form, spherules
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Can you please just explain why it would stain with PAS?
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Old 12-07-2009
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Quote:
Originally Posted by HouseWannabe View Post
Can you please just explain why it would stain with PAS?
Coccidiodes can be stained by regular H&E stain or PAS stain
See this emedicine article
http://emedicine.medscape.com/article/297976-diagnosis
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