Published in:
01-03-2014 | Perspective
What has imaging contributed to the epidemiological understanding of osteoarthritis?
Authors:
Pia M. Jungmann, Felix Liu, Thomas M. Link
Published in:
Skeletal Radiology
|
Issue 3/2014
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Excerpt
Osteoarthritis (OA) is a leading cause of disability among the elderly. Knees and hips are most commonly affected; OA also occurs in the hands, shoulders, spine, and other joints. Symptomatic OA is defined by the American College of Rheumatology as a heterogeneous group of conditions that lead to joint symptoms and signs, which are associated with the defective integrity of articular cartilage, in addition to related changes in the underlying bone at the joint margins [
1,
2]. OA is differentiated into primary (idiopathic) and secondary (caused by a known medical condition or event) [
1]. Clinical symptoms (pain, stiffness, and limited function) and radiographic features are frequently discrepant, particularly in the knee [
3], shoulder [
4], hand [
5], and hip joint [
6]. Most studies define OA status and outcome with imaging findings only [
7,
8]. The goal of this review is to explore the contributions of imaging to the epidemiological understanding of OA, given the recent advancement in imaging technologies. …