Snowcap sign (osteonecrosis)
Last revised by Joshua Yap on 28 Feb 2023
Citation, DOI, disclosures and article data
Citation:
Goel A, Yap J, Hacking C, et al. Snowcap sign (osteonecrosis). Reference article, Radiopaedia.org (Accessed on 18 Apr 2024) https://doi.org/10.53347/rID-26506
Permalink:
rID:
26506
Article created:
25 Dec 2013,
Ayush Goel ◉
Disclosures:
At the time the article was created Ayush Goel had no recorded disclosures.
View Ayush Goel's current disclosures
Last revised:
Disclosures:
At the time the article was last revised Joshua Yap had no financial relationships to ineligible companies to disclose.
View Joshua Yap's current disclosures
Revisions:
8 times, by
8 contributors -
see full revision history and disclosures
Systems:
Sections:
Synonyms:
- Snowcapping in avascular necrosis
Snowcap sign, or snowcapping, is defined as the appearance of dense sclerosis over the head of the humerus or femur in cases of osteonecrosis as seen on plain radiographs, which resembles a snowcapped mountain.
References
- 1. Wiles R, Gulati A, Dwivedi R et-al. We wish you a merry x-ray-mas: Christmas signs in radiology. BMJ. 2013;347 (dec17 4): . doi:10.1136/bmj.f7020
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