Description
- An umbilical hernia is an outward bulging (protrusion) of the lining of the abdomen or part of the abdominal organs through the area around the umbilicus
- Patients (usually females) complain of abdominal swelling near to naval gradually increasing in size, becomes prominent on coughing or straining such as on strenuous exercise associated with intermittent dull ache
Types:
Umbilical Hernia of Newborn (Exomphalos)
- It is a developmental anomaly due to failure of whole or part of the mid-gut to return into the abdominal cavity during early foetal life. Abdominal organs remain protruded and being covered by a membrane – which consists of an outer layer of amniotic membrane, a middle layer of Wharton’s jelly and an inner layer of peritoneum
- Exomphalos minor - Where the sac is relatively small and its summit is attached the umbilical cord
- Exomphalos major - Umbilical cord is attached to the inferior aspect of a large swelling containing small and large intestine and a portion of the liver
Umbilical hernia in infants & children
- Hernia through a weak umbilical scar which occurs as a complication of umbilical sepsis
- It is a true umbilical hernia containing either omentum / intestines
Umbilical hernia of Adults (Para umbilical hernia)
- It is not a true umbilical hernia but it is a para umbilical protrusion through the linea alba just above the umbilicus (supra umbilical) or occasionally below the umbilicus (infra-umbilical)
- Contents are Greater omentum, Small intestine or Transverse colon