Tenosynovitis vs Tendinosis: What's the Difference?

Introduction

When it comes to musculoskeletal conditions, two terms that are often mentioned are tenosynovitis and tendinosis. These conditions can cause pain and discomfort, but they are not the same. In this article, we will delve into the nuances of tenosynovitis and tendinosis, exploring their definitions, causes, symptoms, diagnosis, and treatment options.

Tenosynovitis

Tenosynovitis is a condition that involves the inflammation of the synovium, a protective sheath surrounding tendons. This inflammation can result from overuse, injury, or repetitive motions. It commonly affects the wrists, hands, and ankles.

Causes of Tenosynovitis

The main causes of tenosynovitis include repetitive movements, excessive strain on the tendons, and underlying conditions such as arthritis. Individuals who perform repetitive tasks or sports that involve repetitive motions are at a higher risk of developing tenosynovitis.

Symptoms of Tenosynovitis

Common symptoms of tenosynovitis include pain, swelling, tenderness, and difficulty moving the affected joint. The symptoms may worsen with activity and improve with rest. It is essential to seek medical attention if you experience persistent pain or swelling.

Tendinosis

Tendinosis, on the other hand, is a degenerative condition that affects the tendon itself. Unlike tenosynovitis, which involves inflammation, tendinosis is characterized by microtears, degeneration, and disorganization of collagen fibers in the tendon. Tendinosis commonly occurs in the shoulders, elbows, knees, and heels.

Causes of Tendinosis

Tendinosis is often caused by repetitive stress, aging, poor posture, improper biomechanics, or inadequate conditioning. Over time, these factors can lead to the breakdown of collagen in the tendon, resulting in pain and dysfunction.

Symptoms of Tendinosis

The symptoms of tendinosis may include chronic pain, stiffness, weakness, and swelling around the affected tendon. The pain is often described as dull and achy, and it may worsen with activity. Proper diagnosis and treatment are crucial to managing tendinosis effectively.

Diagnosis and Treatment

Diagnosing tenosynovitis and tendinosis typically involves a physical examination, imaging tests such as ultrasound or MRI, and sometimes, medical history review. Treatment options may include rest, ice, compression, physical therapy, medications, corticosteroid injections, or in severe cases, surgery.

Conclusion

Understanding the differences between tenosynovitis and tendinosis is essential for accurate diagnosis and treatment. If you experience symptoms such as pain, swelling, or difficulty moving a joint, it is recommended to consult with a healthcare professional for proper evaluation and management of your condition.