Patients with osteoarthritis have a progressive destruction of joint tissue which can be exactly quantified.

Instead, the chemicals damage the healthy joint tissue.

This medication is injected into a joint or soft tissue (such as a psoriasis lesion).

A sample of joint tissue can be collected during arthroscopy for biopsy.

Over time, this inflammation may destroy the joint tissues.

They also treat muscle problems and joint tissues - tendons, ligaments, cartilage.

An overly active immune system that inappropriately attacks joint tissues, as though they were a foreign substance.

An immune system that is too active and attacks joint tissues.

Viruses or other infections that cause the immune system to attack joint tissues.

Having certain genes that make the immune system more likely to attack joint tissues.