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Clin Imaging. 2018 Sep - Oct;51:284-291. doi: 10.1016/j.clinimag.2018.06.003. Epub 2018 Jun 9.

Comparison of acetabular and femoral morphologies on hip, pelvic, and lumbar radiographs.

Author information

1
Department of Radiology, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, 892 Dongnam-ro, Gangdong-gu, Seoul, 05278, Republic of Korea.
2
Department of Radiology, Kyung Hee University Hospital, School of Medicine, Kyung Hee University, 23 Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, Republic of Korea.
3
Department of Radiology, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, 892 Dongnam-ro, Gangdong-gu, Seoul, 05278, Republic of Korea. Electronic address: jinooki@daum.net.

Abstract

PURPOSE:

To evaluate the reliability of the parameters for acetabular/femoral pathomorphologies in L-spine and hip radiographs compared to pelvic radiographs.

METHODS:

A retrospective review of L-spine, hip, and pelvic radiographs from 101 patients was performed. Three radiologists independently measured five parameters (acetabular roof angle of Tönnis [Tönnis angle], center-edge-angle of Wiberg [CEA], femoral head extrusion index [FHEI], cross-over sign, pistol-grip deformity) in each radiograph.

RESULTS:

No significant differences were identified (p ≥ 0.07) except Tönnis angles and FHEIs from the L-spine radiographs. Inter-radiograph/inter-reader ICCs were excellent or good.

CONCLUSION:

Pathomorphology-related measurements in L-spine radiographs can also be used as alternatives to those in pelvic or hip radiographs. If L-spine radiographs are already available, additional pelvic or hip radiographs may be unnecessary, thus reducing patients' overall radiation exposure.

KEYWORDS:

Acetabulum; Comparative study; Femoral head; Morphology; Radiograph

PMID:
29940517
DOI:
10.1016/j.clinimag.2018.06.003
[Indexed for MEDLINE]

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