Kenneth J. Koval MD


Slipped Capital Femoral Epiphysis

A slipped capital femoral epiphysis occurs when the upper end of the thighbone (femur) slips at the area where the bone is growing (growth plate or physis) and does not fit in the hip socket correctly. The condition is most common in teenagers. Rapid growth and a hormone imbalance during adolescence may cause the femur…

Legg-Calve-Perthes Disease (LCPD)

Legg-Calve-Perthes disease (LCPD) is a disorder of the upper part of the thighbone (head of the femur) that causes breakdown of the head of the femur. This is followed by new bone formation. LCPD develops because of loss of blood flow to the head of the femur. This causes breakdown (avascular necrosis) and deformity of…

Rotator Cuff Problems: Should I Have Surgery?

Guides you through the decision to have surgery for rotator cuff disorders. Lists risks and benefits of surgery. Talks about other treatment. Explains rehabilitation for rotator cuff surgery. Includes interactive tool to help you decide.

Rotator Cuff Disorders

Rotator cuff disorders are irritations in or damage to tendons around your shoulder. This includes inflammation of the tendons (tendinitis) or the bursa (bursitis), a calcium buildup in the tendons, or partial or complete tears of the tendon. These problems can cause pain and make it hard to move your shoulder. They can…

Hip Fracture

Covers causes of hip fractures. Includes list of things that increase risk. Describes symptoms and how hip fractures are diagnosed. Covers treatment choices. Offers prevention tips, including ways to slow osteoporosis.