Anterior inferior iliac spine morphology: quantitative and qualitative assessment in an asymptomatic population

Topcuoğlu, O, Ergen, F, Ardalı, S, Cankurtaran, T, Dolgun, N and Aydıngoz, U 2018, 'Anterior inferior iliac spine morphology: quantitative and qualitative assessment in an asymptomatic population', Surgical and Radiologic Anatomy, vol. 40, no. 11, pp. 1275-1281.


Document type: Journal Article
Collection: Journal Articles

Title Anterior inferior iliac spine morphology: quantitative and qualitative assessment in an asymptomatic population
Author(s) Topcuoğlu, O
Ergen, F
Ardalı, S
Cankurtaran, T
Dolgun, N
Aydıngoz, U
Year 2018
Journal name Surgical and Radiologic Anatomy
Volume number 40
Issue number 11
Start page 1275
End page 1281
Total pages 7
Publisher Springer-Verlag France
Abstract Purpose: To assess the prevalence of anterior inferior iliac spine (AIIS) types, and to investigate the quantitative measurements that characterize AIIS morphology in an asymptomatic adult population.MethodsIn this prospective study, 358 hips from 179 consecutive subjects (age range, 19-82 years; 91 males, 88 females), who underwent CT examination for reasons other than hip problems and were negative for hip impingement test, were analyzed. AIIS types were determined (1, flat wall of the ilium between distal end of AIIS and acetebular rim; 2, bony eminence between distal end of AIIS and acetebular rim; and 3, extension of AIIS to the anterior superior acetebular rim) and AIIS tip angle (TA), direct distance (DD) of the anterior acetabular rim to AIIS as well as projectional distances in vertical (VD) and horizontal (HD) planes were measured. Age- and gender-related factors were searched using two-way ANOVA test under three age groups (18-39, 40-59, and 60years).ResultsThere were 238 (66.5%) type 1, 118 (33.0%) type 2, and two (0.5%) type 3 AIISs, with significant difference between AIIS types among age groups and genders (P<0.001). VD and DD showed age- and gender-related (P<0.001, P<0.001), and TA demonstrated gender-related differences (P<0.001). Inter-observer agreement was good for TA and moderate to poor for other measurements.ConclusionsType 1 AIIS is the most common shape across all age groups in adult females and in young and middle-aged adult males. TA, DD, and VD might be reliably used for the evaluation of AIIS morphology.
Subject Applied Statistics
Radiology and Organ Imaging
Keyword(s) Anterior inferior iliac spine
Hip impingement
Subspinous hip impingement
DOI - identifier 10.1007/s00276-018-2075-4
Copyright notice © Springer-Verlag France SAS, part of Springer Nature 2018
ISSN 0930-1038
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