| Osteoarthritis is a joint inflammation resulting from | | | | loading of the joint surfaces with peak loads localized |
| cartilage degeneration. Osteoarthritis is also known as | | | | to small areas of the joint surface. The peak loads |
| degenerative arthritis. It can be caused by aging, | | | | successively destroy the joint cartilage. |
| heredity, and injury from trauma or disease. The most | | | | The secondary OA may be caused by an Inborn hip |
| common symptom of osteoarthritis is pain in the | | | | condition such as a congenital hip dysplasia. |
| affected joint(s) after repetitive use. Osteoarthritis | | | | To be a result of previous fracture through the hip joint, |
| usually affects the hands, feet, spine, and large | | | | pelvic or thigh bones, or may be caused by previous |
| weight-bearing joints, such as the hips and knees. | | | | inflammatory process in the hip joint such as infection. |
| There are two categories of osteoarthritis - | | | | In an osteoarthritic hip joint the quantity of bone mass |
| 1. Primary Osteoarthritis | | | | close to the joint surface increases, this is called |
| 2. Secondary Osteoarthritis | | | | sclerosis because the bone substance is harder. |
| Primary Ostenoarthritis : It appears without any | | | | The contours of the bone ends enlarge and bony |
| apparent cause, usually as a result of aging. | | | | spurs form at the periphery of the hip joint. Small |
| Secondary Ostenoarthritis : It occurs in joints that have | | | | fragments of joint cartilage float in the joint space and |
| sustained injuries, experienced infections or fractures. | | | | cause secondary inflammation of the synovium (the |
| Obesity can also cause secondary osteoarthritis due | | | | lining of the joint space) with swelling of the joint. |
| to the added pressure on weight bearing joints. | | | | There is no blood test for osteoarthritis. Laboratory |
| Secondary Ostenoarthritis : | | | | tests are only necessary if your doctor feels other |
| The secondary OA develops after previous damage | | | | types of arthritis (such as some forms of rheumatoid |
| to the hip joint. The joint damage produces uneven | | | | arthritis) need to be excluded from the diagnosis. |