NBME 21 Answers ↦
privatejoker
So is the heavily implied step-wise formation of Syphilis symptoms as presented in FA complete BS then? Why break it down into stages and have us learn it as such if this is not the case in real practice?
+4 2019-07-18T04:05:33Z
lilmonkey
Exactly, Goljan mentioned this in one of his audio lectures. All kinds of lesions in syphilis caused by vasculitis.
+3 2019-10-19T03:40:48Z
vonhippelindau
Leprosy is a noncaseating granuloma fyi. I found that granuloma with suppuration can be caused by blastomycosis according to Robbins (pg 710): “In the normal host, the lung lesions of blastomycosis are suppurative granulomas. Macrophages have a limited ability to ingest and kill B. dermatitidis, and the persistence of the yeast cells leads to continued recruitment of neutrophils. In tissue, B. dermatitidis is a round, 5- to 15-μm yeast cell that divides by broad-based budding. It has a thick, double-contoured cell wall, and visible nuclei (Fig. 15-38). Involvement of the skin and larynx is associated with marked epithelial hyperplasia, which may be mistaken for squamous cell carcinoma.”
+1 2019-06-05T09:12:38Z
usmleuser007
Pyogranulomatous Inflammation
An inflammatory process in which there is infiltration of polymorphonuclear cells into a more chronic area of inflammation characterized by mononuclear cells, macrophages, lymphocytes and possibly plasma cells. Actinomyces sp. is gram-positive, acid-fast–negative filamentous bacteria that cause pyogranulomatous infections in dogs, cats, cattle, goats, swine, horses, foxes and human beings.
+ 2019-06-10T18:39:04Z
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