Investigations for Knee Osteoarthritis: Do You Really Need an MRI? A Rehabilitation Physician Explains
Investigations for Knee Osteoarthritis: Which Tests Do You Really Need? "Not Every Knee Pain Needs an MRI." Knee osteoarthritis (OA) is one of the most common causes of chronic knee pain, particularly among middle-aged and older adults. Many patients believe that an MRI is essential for diagnosis, while others undergo multiple expensive investigations that may not change treatment. The truth is that the diagnosis of knee osteoarthritis is primarily based on a detailed history, clinical examination, and simple X-rays. Additional investigations are reserved for specific clinical situations. A Rehabilitation Physician (PMR Specialist) evaluates not only the joint but also the patient's function, gait, muscle strength, and overall health before deciding which investigations are truly necessary. Why Are Investigations Important? Investigations help to: Confirm the diagnosis. Assess the severity of osteoarthritis. Exclude other causes of knee pain. Detect associated condition...