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 is a skin disorder that causes rough patches and small, acne-like bumps on the skin, according to Mayo Clinic. It affects the skin especially on the thighs, cheeks, arms and buttocks, but this condition rarely causes itching or pain. Although common in young children, it can also attack adults.