Lentiform fork sign (basal ganglia)
Last revised by Sze Yuen Lee on 14 Mar 2023
Citation, DOI, disclosures and article data
Citation:
Goel A, Lee S, Abdrabou A, et al. Lentiform fork sign (basal ganglia). Reference article, Radiopaedia.org (Accessed on 19 Apr 2024) https://doi.org/10.53347/rID-33138
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rID:
33138
Article created:
1 Jan 2015,
Ayush Goel ◉
Disclosures:
At the time the article was created Ayush Goel had no recorded disclosures.
View Ayush Goel's current disclosures
Last revised:
14 Mar 2023,
Sze Yuen Lee
Disclosures:
At the time the article was last revised Sze Yuen Lee had no financial relationships to ineligible companies to disclose.
View Sze Yuen Lee's current disclosures
Revisions:
6 times, by
6 contributors -
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The lentiform fork sign has been described on MRI and is seen as bilateral symmetrical hyperintensities in the basal ganglia surrounded by a hyperintense rim delineating the lentiform nucleus.
It has been postulated to result from metabolic acidosis due to any cause 1, e.g. end stage renal disease.
References
- 1. Grasso D, Borreggine C, Perfetto F et-al. Lentiform fork sign: a magnetic resonance finding in a case of acute metabolic acidosis. Neuroradiol J. 2014;27 (3): 288-92. Free text at pubmed - Pubmed citation
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