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 is an excessive growth of keratin, a skin protein, on the skin. There are a variety of causes which lead to several different types of keratosis. The three most common types of keratosis are keratosis pilaris, actinic keratosis, and seborrheic keratosis. There are many others, most of which are rare or have an inherited (genetic) basis. Keratosis pilaris (KP, follicular keratosis, chicken skin) is a common skin complaint that causes small, acne-like goose bumps.