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.
Though KP has been blamed on everything from shaving to tight jeans to dry skin, keratosis pilaris is a chronic, genetic condition caused by hyperkeratosis, the build-up of hardened dead skin cells that cover the follicle opening.