Doughnut sign on bone scintigraphy
Last revised by Yuranga Weerakkody on 18 Sep 2024
Citation, DOI, disclosures and article data
Citation:
Niknejad M, Weerakkody Y, Kashou A, et al. Doughnut sign on bone scintigraphy. Reference article, Radiopaedia.org (Accessed on 05 Oct 2024) https://doi.org/10.53347/rID-23434
rID:
23434
Article created:
15 Jun 2013,
Mohammad Taghi Niknejad ◉
Disclosures:
At the time the article was created Mohammad Taghi Niknejad had no recorded disclosures.
View Mohammad Taghi Niknejad's current disclosures
Last revised:
18 Sep 2024,
Yuranga Weerakkody ◉
Disclosures:
At the time the article was last revised Yuranga Weerakkody had no financial relationships to ineligible companies to disclose.
View Yuranga Weerakkody's current disclosures
Revisions:
10 times, by
6 contributors -
see full revision history and disclosures
Systems:
Sections:
Synonyms:
- Doughnut sign of bone
- Donut sign on bone scan
- Doughnut sign (bone scan)
- Doughnut sign (bone scintigraphy)
- Doughnut sign on bone scan
The doughnut sign refers to the bone scintrigraphy pattern where there is increased uptake peripherally with a photopenic center. This appearance may be seen in a number of cystic lesions including:
The doughnut sign is a non-specific sign, and can also be seen in chondrosarcoma, telangiectatic osteosarcoma and any other lesions that show aneurysmal bone cyst changes within. It has also been described in non-traumatic osteonecrosis.
See also
References
- 1. A. Mark Davies, Murali Sundaram, Steven J. James. Imaging of Bone Tumors and Tumor-Like Lesions. (2009) ISBN: 9783540779841 - Google Books
- 2. Murphey M, Nomikos G, Flemming D, Gannon F, Temple H, Kransdorf M. From the Archives of AFIP. Imaging of Giant Cell Tumor and Giant Cell Reparative Granuloma of Bone: Radiologic-Pathologic Correlation. Radiographics. 2001;21(5):1283-309. doi:10.1148/radiographics.21.5.g01se251283 - Pubmed
- 3. Seven B, Varoglu E, Alper F, Keles M, Koplay M. Aneurysmal Bone Cyst of the Second Metatarsal: Three-Phase Bone Scan Findings and Radiological Assessment. Hell J Nucl Med. 2008;11(3):189-90. - Pubmed
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