In another type of systemic scleroderma, known as diffuse cutaneous systemic scleroderma, the fibrosis affects large areas of skin, including the torso and the upper arms and legs, and often involves internal organs.n the third type of systemic scleroderma, called systemic sclerosis sine scleroderma (sine means without in Latin), fibrosis affects one or more internal organs but not the skin.
The UCL, or ulnar collateral. ligament, is located in. the middle thumb joint, and provides support to. the thumb during grip. and pinch. It is the most. common ligament injury.
Skier's thumb, or gamekeeper's thumb, is when a ligament in your thumb is stretched or torn. Ligaments are strong tissues that connect bones and keep them in place, and support your joints. A direct blow to your thumb. Any injury that pulls your thumb away from the palm of your hand.