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.
In your picture, there is clearly a lunula on the middle finger, and, I suspect, a larger one on the index finger, and a relatively normal one on the thumb. This is not a finding of great concern in the absence of other pathology. The lunula: The small, whitish, half-moon shape that you sometime see at the bottom of your nails is called the lunula(pronounced loon-yoo-la). It's actually part of the matrix.