Accessory superior acetabular notch
Citation, DOI, disclosures and article data
Citation:
Niknejad M, Baba Y, Knipe H, et al. Accessory superior acetabular notch. Reference article, Radiopaedia.org (Accessed on 14 Dec 2024) https://doi.org/10.53347/rID-22574
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rID:
22574
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Disclosures:
At the time the article was created Mohammad Taghi Niknejad had no recorded disclosures.
View Mohammad Taghi Niknejad's current disclosures
Last revised:
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At the time the article was last revised Yahya Baba had no recorded disclosures.
View Yahya Baba's current disclosures
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7 times, by
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An accessory superior acetabular notch is a normal variant of the acetabulum, which can be seen on radiographs. It may lead to diagnostic confusion, especially in younger patients.
Radiographic features
MRI
- appear as bilateral symmetric fluid-filled pits in the roof of the acetabulum with sharp margins
Differential diagnosis
References
- 1. Johnstone WH, Keats TE, Lee ME. The anatomic basis for the superior acetabular roof notch "superior acetabular notch". Skeletal Radiol. 1982;8 (1): 25-7. Pubmed citation
- 2. ValléE C, Chevrot A, Defrance I et-al. [Notches of the acetabulum roof. Incidence: anatomoradiological correlation]. J Radiol. 1989;69 (8-9): 533-7. Pubmed citation
- 3. Olson SA, Maurizi MG, Hassien J et-al. A review of computerized tomography evaluation of acetabular fractures-part 1. Contemp Orthop. 1993;23 (4): 334-41. Pubmed citation
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