Definition An umbilical hernia is an outward bulging (protrusion) of the abdominal lining or part of the abdominal organ(s) through the area around the belly button. Causes, incidence, and risk factors An umbilical hernia in an infant occurs when the muscle through which blood vessels pass to feed the developing fetus doesn't close completely. Umbilical hernias are common in infants. They occur slightly more often in African Americans. Most umbilical hernias are not related to disease. However, umbilical hernias can be associated with rare conditions such as mucopolysaccharide storage diseases , Beckwith-Wiedemann syndrome , and Down syndrome.
A hernia is usually a sac formed by the lining of the abdominal cavity (peritoneum). The sac comes through a hole or weak area in the fascia, the strong layer of the abdominal wall that surrounds the muscle.
The types of hernias are based on where they occur:
appears as a bulge in the upper thigh. This type is more common in women than men.
occurs in the upper part of the stomach.
Incisional hernia can occur through a scar if you have had abdominal surgery in the past.
Inguinal hernia appears as a bulge in the groin. This type is more common in men than women. The bulge may go all the way down into the scrotum.
appears as a bulge around the belly button. It occurs when the muscle around the navel doesn't close completely.
Hernia - inguinal; Inguinal hernia; Rupture; Strangulation; Incarceration
Causes, incidence, and ...
Hernia repair is surgery to correct a hernia. A hernia is an abnormal bulging of internal organs, often the intestine, through a weakness in a muscular wall.
This article focuses on surgery to repair a hernia. For information on a specific type of hernia see:
Before surgery, you will be given a sedative to make you drowsy. A local or spinal numbing medicine (anesthesia) will be used so you do not feel pain during the procedure. In some cases, the procedure is done while you are under general anesthesia (unconscious and pain-free).
The surgeon makes a cut over the area of the hernia. The bulging tissue or organ is placed back inside the muscle wall, the muscle tissue is repaired, and the skin is closed. In many inguinal hernia repairs, a small piece of ...
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