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Simple cysts generally require no treatment or follow-up, but large cysts (>4 cm) may be followed up ensure stability.<ref name="pmid16718826">{{cite journal| author=Blonski WC, Campbell MS, Faust T, Metz DC| title=Successful aspiration and ethanol sclerosis of a large, symptomatic, simple liver cyst[[File: case presentation and review CT of the literatureliver. jpg| journal=World J Gastroenterol | year= 2006 | volume= 12 | issue= 18 | pages= 2949-54 | pmid=16718826 | doi= | pmc=4087818 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=16718826 }} </ref>right]]
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==Analysis==
'''Focal changes''': Scroll through the entire parenchyma, preferably in segments, such as right third, middle third and left third, in order to have greater focus on small details.
===Potential findings===
*'''Hypoattenuating lesions'''
:*If less than 10 mm in diameter they are generally difficult to characterize adequately.<ref>{{cite web|url=https://www.urmc.rochester.edu/MediaLibraries/URMCMedia/center-experiential-learning/2_15PM-Ramaraju.pdf|title=How to evaluate an Incidental Focal Liver Lesions (FLLs) or Incidentalomas?|author=Gopal Ramaraju|website=University of Rochester Medical Center, Rochester, NY|accessdate02018-12-21}}</ref> Even in a patient with known malignancy, and with multiple lesions of this size, their presence does not increase the risk of developing liver metastasis, and should practically be regarded as benign.<ref>{{cite web|url=http://www.radiologyassistant.nl/en/p45a5e818c709d/liver-incidentalomas.html|title=Liver - Incidentalomas. What to do with incidentally found lesions in the liver?|author=Maarten van Leeuwen, Joost Nederend and Robin Smithuis|website=Radiology Assistant}} Publicationdate May 12, 2007</ref>
:*Large simple cysts (>4 cm) may be followed up ensure stability.<ref name="pmid16718826">{{cite journal| author=Blonski WC, Campbell MS, Faust T, Metz DC| title=Successful aspiration and ethanol sclerosis of a large, symptomatic, simple liver cyst: case presentation and review of the literature. | journal=World J Gastroenterol | year= 2006 | volume= 12 | issue= 18 | pages= 2949-54 | pmid=16718826 | doi= | pmc=4087818 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=16718826 }} </ref>
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