Brain abscess differential diagnosis: Difference between revisions
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{{Brain abscess}} | {{Brain abscess}} | ||
==Overview== | ==Overview== | ||
Brain abscess must be differentiated from [[metastatic tumor]]s | Brain abscess must be differentiated from [[metastatic tumor]]s, [[lymphoma]]s, and necrotic tumors.<ref name="pmid10472982">{{cite journal| author=Desprechins B, Stadnik T, Koerts G, Shabana W, Breucq C, Osteaux M| title=Use of diffusion-weighted MR imaging in differential diagnosis between intracerebral necrotic tumors and cerebral abscesses. | journal=AJNR Am J Neuroradiol | year= 1999 | volume= 20 | issue= 7 | pages= 1252-7 | pmid=10472982 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=10472982 }} </ref> | ||
== Differential Diagnosis== | == Differential Diagnosis== | ||
*Some studies suggest that indium scans can help differentiate abscess from CA, and [[thallium]] [[SPECT]] scans can distinguish [[CNS]] toxoplasmosis from [[lymphoma]]. | *Some studies suggest that indium scans can help differentiate abscess from CA, and [[thallium]] [[SPECT]] scans can distinguish [[CNS]] toxoplasmosis from [[lymphoma]]. | ||
* The big differential is [[metastatic tumor]]: abscesses are often located in watershed regions, and [[tumor]]s often enhance diffusely with contrast. | * The big differential is [[metastatic tumor]]: abscesses are often located in watershed regions, and [[tumor]]s often enhance diffusely with contrast. | ||
* Despite these differences, the true | * Despite these differences, the true diagnosis is sometimes not made until [[biopsy]]. | ||
==References== | ==References== | ||
Revision as of 17:20, 19 October 2015
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
Brain abscess must be differentiated from metastatic tumors, lymphomas, and necrotic tumors.[1]
Differential Diagnosis
- Some studies suggest that indium scans can help differentiate abscess from CA, and thallium SPECT scans can distinguish CNS toxoplasmosis from lymphoma.
- The big differential is metastatic tumor: abscesses are often located in watershed regions, and tumors often enhance diffusely with contrast.
- Despite these differences, the true diagnosis is sometimes not made until biopsy.
References
- ↑ Desprechins B, Stadnik T, Koerts G, Shabana W, Breucq C, Osteaux M (1999). "Use of diffusion-weighted MR imaging in differential diagnosis between intracerebral necrotic tumors and cerebral abscesses". AJNR Am J Neuroradiol. 20 (7): 1252–7. PMID 10472982.