Renal hilar lip
Last revised by Owen Kang
on 26 Jul 2018
Citation, DOI, disclosures and article data
Citation:
Skandhan A, Kang O, Weerakkody Y, et al. Renal hilar lip. Reference article, Radiopaedia.org (Accessed on 23 Nov 2024) https://doi.org/10.53347/rID-25556
Permalink:
rID:
25556
Article created:
29 Oct 2013,
Avni K P Skandhan
Disclosures:
At the time the article was created Avni K P Skandhan had no recorded disclosures.
View Avni K P Skandhan's current disclosures
Last revised:
26 Jul 2018,
Owen Kang
Disclosures:
At the time the article was last revised Owen Kang had no recorded disclosures.
View Owen Kang's current disclosures
Revisions:
4 times, by
4 contributors -
see full revision history and disclosures
Systems:
Sections:
Synonyms:
- Hilar lip of kidney
A renal hilar lip is a developmental anomaly of the kidney. It is an infolding of the cortex at the level of the renal sinus and in this region the renal cortex appears thicker.
Radiographic features
On imaging it appears as supra- or infra-hilar cortical bulges. At certain levels of cross-sectional imaging this lip may appear to be entirely separate from the kidney and mimics a mass lesion, thus it is considered as one of the renal pseudotumors.
On contrast-enhanced cross-sectional imaging, a similar enhancement pattern as the rest of the renal parenchyma may be seen, thereby differentiating it from a tumor.
References
- 1. Kolbenstvedt A, Lien HH. Isolated renal hilar lip on computed tomography. Radiology. 1982;143 (1): 150. Radiology (citation) - Pubmed citation
- 2.Dyer RB, Chen MY, Zagoria RJ. Classic signs in uroradiology. Radiographics. 2004;24 Suppl 1 (suppl 1): S247-80. Radiographics (full text) - doi:10.1148/rg.24si045509 - Pubmed citation
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