Osteoarthritis progresses further with obliteration of the joint space. The appearance of subchondral cysts (cysts in the bone underneath the cartilage) indicates the erosive phase of disease progression in osteoarthritis.
Keratosis pilaris is a common and harmless condition where the skin becomes rough and bumpy, as if covered in permanent goose pimples.
Keratosis pilaris are clusters of small bumps on the skin that generally appear on the backside of the upper-arms, thighs, and cheeks of the buttocks. This condition gives a roughness to the skin, but do not hurt when touched.