The case of 'A Rhino Horn': case report and proposal for modification to the Hetsroni and Kelly classification

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• dc.contributor.author Marín-Peña, Oliver
• dc.contributor.author Ayeni, Olufemi R.
• dc.contributor.author Tey Pons, Marcos
• dc.contributor.author Mas-Martinez, Jesús
• dc.contributor.author Dantas, Pedro
• dc.contributor.author Khanduja, Vikas
• dc.date.accessioned 2022-03-21T07:26:42Z
• dc.date.available 2022-03-21T07:26:42Z
• dc.date.issued 2021
• dc.description.abstract Subspine impingement syndrome by definition involves a prominent antero-inferior iliac spine (AIIS) which can lead to impingement on the femoral neck thereby causing symptoms. We present the case of a 22-year-old semi-professional athlete who presented with a Type III AIIS morphology leading to subspine impingement syndrome and was managed via a mini open anterior approach. Radiological examination revealed a fairly prominent left AIIS resembling the 'horn of a rhino' extending to the trochanteric region anteriorly. A mini-anterior surgical approach was utilized for the resection of the 'rhino horn' and the rectus femoris was reattached. The patient remained asymptomatic at the one-year follow-up and had resumed weightlifting. Following this case, we propose a new classification of the type III AIIS morphology in view of the clinical presentation. The AIIS type III-Standard represents an extension from the acetabular rim to less than 1 cm (type III-S) and type III-Large, with an extension from the acetabular rim beyond 1 cm (type III-L). The type III-L will further be divided into two groups based on its relation to the ilium, type III-Lr ('rib shape') and type III-Lrh ('rhino horn').
• dc.format.mimetype application/pdf
• dc.identifier.citation Marín-Pena O, Ayeni OR, Tey-Pons M, Mas-Martinez J, Dantas P, Khanduja V. The case of 'A Rhino Horn': case report and proposal for modification to the Hetsroni and Kelly classification. J Hip Preserv Surg. 2021 Jun 23;8(Suppl 1):i51-i59. DOI: 10.1093/jhps/hnab020
• dc.identifier.doi http://dx.doi.org/10.1093/jhps/hnab020
• dc.identifier.issn 2054-8397
• dc.identifier.uri http://hdl.handle.net/10230/52724
• dc.language.iso eng
• dc.publisher Oxford University Press
• dc.relation.ispartof J Hip Preserv Surg. 2021 Jun 23;8(Suppl 1):i51-i59
• dc.rights © The Author(s) 2021. Published by Oxford University Press. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com
• dc.rights.accessRights info:eu-repo/semantics/openAccess
• dc.rights.uri http://creativecommons.org/licenses/by-nc/4.0/
• dc.subject.keyword Magnetic resonance imaging
• dc.subject.keyword Neck of femur
• dc.subject.keyword Follow-up
• dc.subject.keyword Hip region
• dc.subject.keyword Hip joint
• dc.subject.keyword Horns
• dc.subject.keyword Ilium
• dc.subject.keyword Reconstructive surgical procedures
• dc.subject.keyword Surgical procedures
• dc.subject.keyword Operative
• dc.subject.keyword Rectus femoris muscle
• dc.subject.keyword Athlete
• dc.subject.keyword Acetabular rim
• dc.subject.keyword Iliac spine
• dc.title The case of 'A Rhino Horn': case report and proposal for modification to the Hetsroni and Kelly classification
• dc.type info:eu-repo/semantics/article
• dc.type.version info:eu-repo/semantics/publishedVersion