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Hernia

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A hernia is the abnormal exit of tissue or an organ through a wall of a body cavity.

Hernia
Hernia

This occurs when a part of the body, such as the bowel, pushes through the muscle or fascia that normally holds it in place. The term comes from the Latin word for "rupture." While it usually refers to a medical issue, the term also describes a normal stage in human development. Around seven weeks into an embryo's growth, the intestine retracts from the navel area into the abdomen. In adults, however, a hernia represents a structural defect in the abdominal wall.

Most hernias happen because the muscles and tendons in the belly weaken or become damaged.

Hernia Common Sites
Hernia Common Sites

You can think of the belly and pelvis as a container made of muscles, tendons, and bones. When pressure builds up inside this container, the muscles push back to keep the organs steady. If that pressure becomes too high, it can force tissue through a weak spot in the wall. Once a hernia begins, it often continues to enlarge. This happens because the tension on the wall increases at the site of the opening.

There are several distinct types of hernias based on where they occur. Inguinal hernias are the most common and happen in the groin area.

Inquinalhernia
Inquinalhernia

These are divided into indirect inguinal hernias, which occur through a congenital weakness, and direct inguinal hernias, which push through a weak spot in the back wall. A rare version called a pantaloon hernia occurs when both types appear together. Femoral hernias happen just below the inguinal ligament and are more common in women.

Hiatalhernia
Hiatalhernia

Umbilical hernias occur at the site of the umbilical cord, while incisional hernias happen at the site of an incompletely healed surgical wound.

Symptoms vary depending on the specific type of hernia. Many people with groin hernias experience pain or discomfort in the lower abdomen. This pain may worsen when coughing, exercising, or during bowel movements. A visible bulge might appear at the site, which often gets larger when bending down. Hiatus hernias, which involve the stomach protruding through the diaphragm, often cause heartburn or chest pain.

Colonic Herniation 08787
Colonic Herniation 08787

In some cases, an "incarcerated" hernia occurs, meaning the tissue cannot be pushed back into the abdomen.

Medical professionals use various methods to diagnose these conditions. Doctors can often identify a hernia simply by looking for a bulge or feeling the area. For internal hernias that cannot be seen, medical imaging is the primary tool. Multidetector CT (MDCT) scans can show the exact site of the hernia sac and its contents with great precision.

USofaninguinherniaMark
USofaninguinherniaMark

For a hiatus hernia, doctors might use an endoscopy to look inside. Ultrasound is also a helpful tool for detecting inguinal hernias.

History shows that humans have studied hernias for millennia. The earliest known description of a hernia is found in the Ebers Papyrus from Egypt, dating back to at least 1550 BC. Today, the scale of the issue is significant. In 2019, there were 32.53 million prevalent cases of inguinal, femoral, and abdominal hernias globally. This represents a 36% increase in prevalent cases since 1990. Furthermore, groin hernias affect about 27% of males and 3% of females during their lifetimes.

If left untreated, a hernia can lead to dangerous complications. The most serious is bowel strangulation, where the blood supply to a part of the bowel is blocked. This is a medical emergency that requires immediate surgery.

Lap-HerniaMesh-Sambalis
Lap-HerniaMesh-Sambalis

Other complications include obstruction, where the intestine becomes kinked, or inflammation. To fix these issues, surgeons use different techniques. They may perform open surgery, laparoscopic surgery, or even robotic-assisted surgery.

WBAMC first in DoD to use robot for surgery 160426-A-EK666-506
WBAMC first in DoD to use robot for surgery 160426-A-EK666-506

Laparoscopic methods often result in less pain after the procedure is finished.

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🖼️ Images & Media (13)
File:Hernia.JPG
Hernia.JPG
File:Umbilicalhernia.JPG
Umbilicalhernia.JPG
File:Adult male inguinal hernia reduced.gif
Adult male inguinal hernia reduced.gif
File:Hernia Common Sites.png
Hernia Common Sites.png
File:USofaninguinherniaMark.png
USofaninguinherniaMark.png
File:Inquinalhernia.png
Inquinalhernia.png
File:Colonic Herniation 08787.jpg
Colonic Herniation 08787.jpg
File:Hiatalhernia.gif
Hiatalhernia.gif
File:Colostomy and parastomal hernia.JPG
Colostomy and parastomal hernia.JPG
File:US Navy 081117-N-1512O-119 Lt. Christie Quietmeyer performs hernia repair surgery with the aid of Lt. Craig Fossee and Hospital Corpsman 3rd Class Zack Mikesell.jpg
US Navy 081117-N-1512O-119 Lt. Christie...
File:Inguinal Hernia Patch.png
Inguinal Hernia Patch.png
File:Lap-HerniaMesh-Sambalis.jpg
Lap-HerniaMesh-Sambalis.jpg

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