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USMLE Step 1 Forum USMLE Step 1 Discussion Forum: Let's talk about anything related to USMLE Step 1 exam |
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#1
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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 ![]() 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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#2
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#3
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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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#4
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Diagnosis: Coccidiodis immitis
Treatment: Flucanazole Clues: California, Pneumonia, Erythema nodosum Micrograph: Tissue form, spherules |
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nikhil5001 (02-23-2010) |
#5
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Can you please just explain why it would stain with PAS?
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#6
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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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HouseWannabe (12-07-2009) |
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Microbiology-, Micrographs-, Respiratory-, Step-1-Questions |
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