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.
The triquetrum lies just distal to the ulnar styloid in the proximal carpal row. It lies under the pisiform bone so is difficult to palpate. To allow palpation, the hand must be radially deviated, exposing the triquetrum from beneath the ulnar styloid. Fractures can either be of a peripheral chip or through the body.