Pyogenic liver abscess MRI: Difference between revisions
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==Overview== | ==Overview== | ||
[[MRI]] findings of pyogenic liver abscess include hypointense and heterogenous centrally on [[T1 relaxography|T1]], hyperintense signal on T2, enhancement of the capsule and multiple septations on T1+C, high signal within the abscess cavity on [[Diffusion Weighted Imaging|DWI]], and low signal within the [[abscess]] on ACD.<ref name="pmid8284394">{{cite journal| author=Méndez RJ, Schiebler ML, Outwater EK, Kressel HY| title=Hepatic abscesses: MR imaging findings. | journal=Radiology | year= 1994 | volume= 190 | issue= 2 | pages= 431-6 | pmid=8284394 | doi=10.1148/radiology.190.2.8284394 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8284394 }} </ref><ref name=abscess>https://radiopaedia.org/articles/hepatic-abscess-1 Accessed on February 24, 2017</ref><ref name="pmid11178693">{{cite journal| author=Chan JH, Tsui EY, Luk SH, Fung AS, Yuen MK, Szeto ML et al.| title=Diffusion-weighted MR imaging of the liver: distinguishing hepatic abscess from cystic or necrotic tumor. | journal=Abdom Imaging | year= 2001 | volume= 26 | issue= 2 | pages= 161-5 | pmid=11178693 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11178693 }} </ref> | |||
==[[MRI]]== | |||
==MRI== | |||
MRI findings of pyogenic liver abscess include:<ref name="pmid8284394">{{cite journal| author=Méndez RJ, Schiebler ML, Outwater EK, Kressel HY| title=Hepatic abscesses: MR imaging findings. | journal=Radiology | year= 1994 | volume= 190 | issue= 2 | pages= 431-6 | pmid=8284394 | doi=10.1148/radiology.190.2.8284394 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8284394 }} </ref><ref name=abscess>https://radiopaedia.org/articles/hepatic-abscess-1 Accessed on February 24, 2017</ref><ref name="pmid11178693">{{cite journal| author=Chan JH, Tsui EY, Luk SH, Fung AS, Yuen MK, Szeto ML et al.| title=Diffusion-weighted MR imaging of the liver: distinguishing hepatic abscess from cystic or necrotic tumor. | journal=Abdom Imaging | year= 2001 | volume= 26 | issue= 2 | pages= 161-5 | pmid=11178693 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11178693 }} </ref> | MRI findings of pyogenic liver abscess include:<ref name="pmid8284394">{{cite journal| author=Méndez RJ, Schiebler ML, Outwater EK, Kressel HY| title=Hepatic abscesses: MR imaging findings. | journal=Radiology | year= 1994 | volume= 190 | issue= 2 | pages= 431-6 | pmid=8284394 | doi=10.1148/radiology.190.2.8284394 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8284394 }} </ref><ref name=abscess>https://radiopaedia.org/articles/hepatic-abscess-1 Accessed on February 24, 2017</ref><ref name="pmid11178693">{{cite journal| author=Chan JH, Tsui EY, Luk SH, Fung AS, Yuen MK, Szeto ML et al.| title=Diffusion-weighted MR imaging of the liver: distinguishing hepatic abscess from cystic or necrotic tumor. | journal=Abdom Imaging | year= 2001 | volume= 26 | issue= 2 | pages= 161-5 | pmid=11178693 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11178693 }} </ref> | ||
*'''T1''' | *'''[[T1 relaxography|T1]]''' | ||
:*Hypointense centrally | :*Hypointense centrally | ||
:*Heterogenous | :*Heterogenous | ||
*'''T2''' | *'''T2''' | ||
:*Hyperintense signal | :*Hyperintense signal | ||
:*High signal intensity on T2 weighted images signifies perilesional edema | :*High signal intensity on T2 weighted images signifies perilesional [[edema]] | ||
*'''T1+C(Gd)''' | *'''T1+C(Gd)''' | ||
:*Enhancement of the capsule | :*Enhancement of the capsule | ||
:*Multiple septations | :*Multiple septations | ||
*'''DWI''' | *'''[[Diffusion Weighted Imaging|DWI]]''' | ||
:*High signal within the abscess cavity | :*High signal within the abscess cavity | ||
*'''ACD''' | *'''ACD''' | ||
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==References== | ==References== | ||
{{reflist|2}} | {{reflist|2}} | ||
[[Category:Emergency mdicine]] | |||
[[Category:Disease]] | |||
[[Category:Up-To-Date]] | |||
[[Category:Infectious disease]] | |||
[[Category:Gastroenterology]] | |||
[[Category:Hepatology]] | |||
Latest revision as of 23:55, 29 July 2020
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Pyogenic liver abscess MRI On the Web |
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American Roentgen Ray Society Images of Pyogenic liver abscess MRI |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Yamuna Kondapally, M.B.B.S[2]
Overview
MRI findings of pyogenic liver abscess include hypointense and heterogenous centrally on T1, hyperintense signal on T2, enhancement of the capsule and multiple septations on T1+C, high signal within the abscess cavity on DWI, and low signal within the abscess on ACD.[1][2][3]
MRI
MRI findings of pyogenic liver abscess include:[1][2][3]
- Hypointense centrally
- Heterogenous
- T2
- Hyperintense signal
- High signal intensity on T2 weighted images signifies perilesional edema
- T1+C(Gd)
- Enhancement of the capsule
- Multiple septations
- High signal within the abscess cavity
- ACD
- Low signal within the abscess cavity
References
- ↑ 1.0 1.1 Méndez RJ, Schiebler ML, Outwater EK, Kressel HY (1994). "Hepatic abscesses: MR imaging findings". Radiology. 190 (2): 431–6. doi:10.1148/radiology.190.2.8284394. PMID 8284394.
- ↑ 2.0 2.1 https://radiopaedia.org/articles/hepatic-abscess-1 Accessed on February 24, 2017
- ↑ 3.0 3.1 Chan JH, Tsui EY, Luk SH, Fung AS, Yuen MK, Szeto ML; et al. (2001). "Diffusion-weighted MR imaging of the liver: distinguishing hepatic abscess from cystic or necrotic tumor". Abdom Imaging. 26 (2): 161–5. PMID 11178693.