It's important to understand the ins and outs of an appendectomy so you know what to expect if your child has this procedure.

Laryngoscopy, a visual examination below the back of the throat, can help discover the causes of voice and breathing problems, pain in the throat or ear, difficulty in swallowing, narrowing of the throat, blockages in the airway, and vocal cord problems.

Retinopathy of prematurity, which mostly occurs in premature babies, is a disease that causes abnormal blood vessel growth in the retina. Sometimes surgery is needed to prevent vision loss or blindness.