Kenneth J. Koval MD

Shoulder Replacement Surgery

Covers shoulder surgery to replace the ends of bones in a damaged joint. Includes what to expect after surgery, continued recovery, and living with a shoulder replacement. Looks at why it is done, how well it works, and the risks of surgery.

Radiografía y resonancia magnética de la enfermedad de Legg-Calve-Perthes

Cortesía de Paul Traughber, M.D., Boise, Idaho. with you La figura 1 es una radiografía de un hueso de la cadera normal de un niño y de un hueso de la cadera quebrado (fracturado) a causa de mala circulación sanguínea debido a la enfermedad de Legg-Calve-Perthes (LCPD, por sus siglas en inglés). La figura 2 es una…


Bursitis is inflammation of a bursa. A bursa is a small sac of fluid that cushions and lubricates an area where tissues—including bone, tendon, ligament, muscle, or skin—rub against one another. Bursae are located throughout the body, in and on joints and other places that are at risk of rubbing or pressure. Bursitis…