Regarding osteoarthritis:
a- PIJ is most affected in hand
b- knee most common
c- less osteophytosis than rheumatoid
d- 1ry osteoarthritis of shoulder common more than secondary with no risk factor***
a- PIJ is most affected in hand
b- knee most common
c- less osteophytosis than rheumatoid
d- 1ry osteoarthritis of shoulder common more than secondary with no risk factor***