Related Experiment Video
Updated: Jun 25, 2026

06:06
Tissue Collection and RNA Extraction from the Human Osteoarthritic Knee Joint
Published on: July 22, 2021
Imaging the painful osteoarthritic knee joint: what have we learned?
Claire Y J Wenham1, Philip G Conaghan
1Department of Rheumatology, Leeds Teaching Hospitals Trust, UK.
Nature Clinical Practice. Rheumatology
|March 3, 2009
Summary
Osteoarthritis (OA) pain is common, but its cause is unclear. MRI reveals that synovial hypertrophy, effusions, and subchondral bone issues correlate with knee pain, aiding future treatment development.
Area of Science:
- Orthopedics
- Rheumatology
- Radiology
Background:
- Peripheral joint pain and osteoarthritis (OA) are prevalent, causing disability and high healthcare costs.
- The exact causes of pain in OA remain unclear.
- Conventional radiography for assessing knee OA has limitations, often showing a disconnect between structural changes and patient symptoms.
Purpose of the Study:
- To explore the relationship between structural abnormalities visualized by MRI and knee pain in osteoarthritis.
- To identify potential targets for treating pain in osteoarthritis.
Main Methods:
- Utilizing Magnetic Resonance Imaging (MRI) to visualize internal knee joint structures.
- Analyzing large cohort studies to correlate MRI findings with reported knee pain.
Main Results:
- Synovial hypertrophy, synovial effusions, and subchondral bone abnormalities are associated with knee pain in OA.
- MRI offers a more comprehensive view of joint structures compared to radiography.
Conclusions:
- Understanding the structural basis of OA pain through advanced imaging like MRI is crucial.
- Identifying specific structural correlates of pain can lead to more targeted and effective OA treatments.
Related Concept Videos
Knee Joint
The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris group...
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris group...
Ultrasonography
Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...
During an ultrasonography procedure, a handheld device called a...