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MedPix® Medical Image DatabaseDisease Topic 4766
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Contributor: 2Lt Pryor Brenner
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More Like This ? Toxoplasmosis
Factoid 4766 - Created: 2003-04-29 18:21:21-04 - Modified: 2003-05-05 07:16:37-04
ACR Codes: 1.2
Finding a ring enhancing lesion in the CNS is most suggestive of toxoplasmosis (50%), lymphoma (30%), or other infectious agents.1 In order to make the diagnosis of toxoplasmosis with 90% probability of being correct, three criteria must be present: 1) positive serum titers to T. gondii (IgG) 2) no prophylaxis 3) typical radiographic appearance of multiple ring enhancing regions.2 If the patient receives treatment without resolution of symptoms or CNS findings, then lymphoma and other infections should be considered.
Reference(s):
1.   Ciricillo SF, Rosenblum ML. J. Neurosurg., 1990; 73: 720.

2.   “Toxoplasmosis in HIV-Infected patients” UpToDate.com, 2003.
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Location:
Brain and Neuro 		Sublocation:
Cortex		Category:
Infection, parasite
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Written by: 2Lt Pryor Brenner
Prepared by: MS-4 USU Teaching File
Affiliation: Uniformed Services University - || - Author Profile
Approved by: James G. Smirniotopoulos, M.D.
Affiliation: Uniformed Services University - || - Editor Profile
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