Citation, DOI, disclosures and article data
Citation:
Knipe H, Duarte C, Baba Y, et al. Coxa profunda. Reference article, Radiopaedia.org (Accessed on 26 Mar 2025) https://doi.org/10.53347/rID-38839
Coxa profunda refers to a deep acetabular socket (i.e. increased acetabular depth).
Coxa profunda is much more common in females.
Plain radiograph
On AP pelvic x-rays, it is seen as the lateral border of the acetabular teardrop being in line with or medial to the ilioischial line 4.
Coxa profunda should be differentiated from protrusio acetabuli, where the femoral head is seen additionally medial to the ilioischial line 4.
Coxa profunda is a non-specific finding and has previously been implicated in pincer-type femoroacetabular impingement, but is just as likely to be seen in asymptomatic patients 1,2.
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1. Anderson L, Kapron A, Aoki S, Peters C. Coxa Profunda: Is the Deep Acetabulum Overcovered? Clin Orthop Relat Res. 2012;470(12):3375-82. doi:10.1007/s11999-012-2509-y - Pubmed
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2. Nepple J, Lehmann C, Ross J, Schoenecker P, Clohisy J. Coxa Profunda is Not a Useful Radiographic Parameter for Diagnosing Pincer-Type Femoroacetabular Impingement. J Bone Joint Surg Am. 2013;95(5):417-23. doi:10.2106/JBJS.K.01664 - Pubmed
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3. Óliver Marín-Peña. Femoroacetabular Impingement. (2012) ISBN: 9783642227684 - Google Books
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4. Welton K, Jesse M, Kraeutler M, Garabekyan T, Mei-Dan O. The Anteroposterior Pelvic Radiograph: Acetabular and Femoral Measurements and Relation to Hip Pathologies. J Bone Joint Surg Am. 2018;100(1):76-85. doi:10.2106/JBJS.17.00500 - Pubmed
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