Meckel diverticulum an overview sciencedirect topics. Generally, a meckel diverticulum ranges from 1 to 12 cm in. Meckel, a german anatomist who was the first to note that the condition occurred during the. Other congenital anomalies occur in about onethird of the cases and it is estimated that meckels diverticulum is a cause of clinical disease in 15% to 25% of people in whom it occurs. Meckels diverticulum is a remnant of the omphalomesenteric or vitelline duct, which connects the yolk sac to the midgut through the umbilical cord. It is the most common birth defect that occurs in the digestive system. It results from incomplete obliteration of the vitelline duct leading to the formation of a true diverticulum of the small intestine. Meckels diverticulum information mount sinai new york. A meckel diverticulum is the most common congenital anomaly of the gastrointestinal tract and is caused by an incomplete obliteration of the omphalomesenteric duct.
In this study, a small amount of a harmless radioactive substance is given by vein intravenously. Fabricius hildanus first described the birth defect in 1598, but the condition is named for johann f. Age and sex distribution meckels diverticulum is seen to affect 2% of the world population. Meckels diverticulum, omphalomesenteric fistula, omphalomesenteric cyst, and. If doctors think bleeding from the rectum is caused by a meckel diverticulum, they do an imaging study called a meckel scan. Meckels diverticulum occurs due to an abnormality in early fetal development. Resection of intestinal segment with end to end anastomosis was done. Sekitar 2% dari penduduk memiliki divertikulum meckel, tetapi hanya beberapa orang mengembangkan gejala. Al janabi m, samuel m, kahlenberg a, kumar s, aljanabi m nucl med commun 2014 nov. Meckels diverticulum is a congenital present at birth outpouching or bulge in the lower part of the small intestine. Most prevalent congenital abnormality of gi tract, in 2% of normal population usually asymptomatic but also abdominal pain of unknown etiology rev esp enferm dig 2011. For a general discussion of the uninflamed diverticulum, please refer to the. If it causes symptoms, meckels diverticulum can be repaired with surgery. Meckels diverticulum is the most common congenital abnormality of the small intestine.
Lester md, phd, in manual of surgical pathology third edition, 2009. It can be as long as 5 cm with diameters up to 2 cm. Complicated meckels diverticulum is treated by resection. Meckels diverticulum and small bowel obstruction dr. Most frequently encountered are diverticula of the esophagus or urinary bladder and more rarely, of the duodenum or stomach. The purpose of this article is to familiarize the radiologist with the current imaging of meckels diverticulum and its presenting complications. Meckels diverticulum is a common congenital condition characterized by the presence of a small pouch in the intestinal wall, at the junction where the small and large intestines meet.
Meckels diverticulum and small bowel obstruction can occur together or independently of each other. Meckel diverticulum msd manual professional edition. Meckels diverticulum occasionally may become the cause of the liver abscess, and abdominal abscess when it is perforated, which is a direct indication for abdominal surgery. It is present in fetal life as the vitellointestinal duct, which usually disappears later in seventh week of gestational period. Meckel diverticulum merck manuals consumer version. Dalam kandungan, vitelline duct yang menghubungkan usus bayi dengan yolk. Meckels diverticulum is located in the distal ileum, usually within about 60100 cm of the ileocecal.
A portion of small intestine may also twist around an anchored meckels diverticulum. If it causes symptoms, meckel s diverticulum can be repaired with surgery. Diverticulum a pouch formed by the congenital or acquired protrusion of the wall of a tubular organ in man. When meckels diverticulum had ectopic gastric mucosa, it tended to cause. Divertikulum meckel adalah sisa dari kantung telur embri onal, yang juga disebut sebagai duktus omfalomesenterikus atau duktus vitellinus. The meckel s diverticulum is a true diverticulum of the small intestine 1. Meckel diverticulum merck manuals professional edition.
Meckel divertikulum adalah kantung kecil yang terdapat pada dinding usus, salah satu bagian dari sistem pencernaan. Meckel s diverticulum is an outpouching or bulge in the lower part of the small intestine. This happens when there is pressure on your pharynx and it balloons out. Q which is a true statement regarding diagnosis of meckels diverticulum. Consider in patients with gastrointestinal bleeding and known abdominal aortic aneurysms or aortic grafts. It is created by a section of tissue that acts as a link to the umbilical cord in early development. A meckels diverticulum, a true congenital diverticulum, is a slight bulge in the small intestine. Most 75% meckel diverticula are found within 60 cm range 40100 cm of the ileocecal valve 2. Diverticulum article about diverticulum by the free. It is a pouch that forms in your pharynx, an area just above your esophagus or swallowing tube. Meckels diverticulitismeckels diverticulumabdominal painmeckels scan. Meckel diverticulum terjadi di perbatasan antimesenteric dari, biasanya 4060 cm ileum proksimal ke katup ileocecal.
Meckels diverticulum is the most common congenital anomaly of the gastrointestinal tract. Meckel diverticulitis is the inflammation of meckel diverticulum, which is the most common congenital structural abnormality of the gastrointestinal tract 3. Meckels diverticulum while 2 percent of the population may have this congenital anomaly of the gastrointestinal tract, not all of these have symptoms and cause problems. Despite this, it is an uncommon cause of acute abdomen and is often not correctly diagnosed preoperatively this article focuses on meckel diverticulitis. Meckels diverticulum is a congenital defect that happens when a pouch of tissue forms on the wall of the lower part of your small intestines. Meckel diverticulum knowledge for medical students and. It is the most common malformation of the gastrointestinal tract and is present in approximately 2% of the population, with males more frequently experiencing symptoms. Bleeding from meckels diverticulum due to ectopic gastric mucosa is the most. Meckels diverticulum is a congenital condition characterized by the presence of a small sac attached to the intestinal wall, at the junction where the small and large intestines meet.
Pdf meckels diverticulum is the most common congenital malformation of gastrointestinal tract. Perforated meckels diverticulitis european journal of radiology. Conversely, 27% of males and 58% percent of females had intestinal obstruction. The most common presenting symptom is painless rectal bleeding, followed by intestinal obstruction, volvulus and intussusception. Ppt meckels diverticulum powerpoint presentation free. Meckels diverticulum was named after johann friedrich meckel, who described its anatomy and embryology in 1809. The topic diverticulum of meckel you are seeking is a synonym, or alternative name, or is closely related to the medical condition meckels diverticulum. Using the figure of 2 per cent incidence of meckel s diverticulum, we calculated that a meckel s diverticulum has a 4. It is generally about 2 inches long and located 2 feet proximal to the ileocecal valve. It can do this by infolding on itself into the passageway of the intestine intussusception.
Meckels diverticulum a case study introduction the meckels diverticulum or diverticulum ilei is the most common unusual congenital condition of gastrointestinal tract. Meckel diverticulum is a remnant of the omphalomesenteric vitelline duct that provides a communication. It is usually located within 100 cm of the ileocecal valve and. Meckels diverticula are uncommon and often clinically silent, particularly in the adult. In a majority of individuals, the condition may not be diagnosed due to the absence of significant signs and symptoms. This is known as segmental volvulus and is associated with compromised blood supply and intestinal. Meckels diverticulum is an ileal outpouching that occurs from the incomplete atresia of the vitelline duct i. Meckels diverticulum is caused by the incomplete obliteration of the omphalomesenteric duct in the developing embryo.
Meckel s diverticulum is a congenital present at birth outpouching or bulge in the lower part of the small intestine. It is seen in 2% of the general population and is more common in males. If symptoms do occur, they typically appear before the age of two. The meckels diverticulum md is the commonest congenital abnormality of the gastrointestinal tract. In patient number 5 figuras 4ad, with acute abdominal pain syndrome, the appendix proved to be normal and meckels diverticulum was identified with peritonitis. Meckels diverticulum was first described in a paper published in 1809 by the german anatomist, johann friedrich meckel, the younger 17811833, who described it as a remnant of the omphalomesenteric duct, 3 although such an abnormality had been mentioned quite early by fabricius hildamus in 1598 and in 1671 by lavater who did not recognize its embryological. A meckel diverticulum is a vestigial remnant of the omphalomesenteric vitellointestinal duct. The substance is picked up by cells in the diverticulum, which can then be seen using a radiationsensing camera. Meckels diverticulum is a congenital condition that may manifest at birth or during adulthood. In meckel diverticulum the tissue remains, creating a. Occasionally, meckel s diverticulitis may present with all the features of acute appendicitis. Meckels diverticulum is the most common small bowel abnormality and. Meckels diverticulum is the most frequent gastrointestinal anomaly and occurs in approximately 2% of the population. Biopsy of the resected specimen confirmed meckels diverticulum.
Meckel diverticulum is the most common form of congenital abnormality of the small intestine, resulting from an incomplete obliteration of the vitelline duct i. The mucosal lining of the diverticulum may be either native ileal. Meckels diverticulum symptoms, diagnosis and treatments. Complicated meckel s diverticulum in adult pathology.
Meckels diverticulum may be detected incidentally or present with symptoms from infancy and to old age. A meckels diverticulum, a true congenital diverticulum, is a slight bulge in the small intestine present at birth and a vestigial remnant of the omphalomesenteric duct also called the vitelline duct or yolk stalk. It has an ileal mucosa, but heterotopic mucosa can be found, and then 8085 % of the ectopic tissue is gastric mucosa, sometimes associated with pancreatic tissue. Meckels diverticulum is the most prevalent congenital anomaly of the gi tract 2% of the general population 2% prevalence, 2. Zenkers diverticulum repair what is zenkers diverticulum. Meckels diverticulum can also cause intestinal obstruction. Additional articles were identified by a manual search of the references from the.
The symptoms of a meckels diverticulum include any of the following. Obstruction is the most common complication in children that makes up 2540 %. Meckels diverticulum is a sac on the wall of the bottom part of the intestine that is present at birth congenital condition. Emergency surgery for meckels diverticulum world journal of.
Meckels diverticulum symptoms, diagnosis and treatments see online here meckels diverticulum is named in honor of johann friedrich meckel, who, in 1809, described the intrauterine origin of the condition, which is one of the most common inborn defects of the babys small intestine stipulated by the. As a congenital anomaly, it is a true diverticulum that includes all three coats of the small intestine. Although originally described by fabricius hildanus in 1598, it is named after johann friedrich meckel, who established. Meckels diverticulum is the remains of the prenatal yolkstalk vitellointestinal duct. A meckel diverticulum is a pouch on the wall of the lower part of the small intestine that is present at birth congenital. Meckel s diverticulum is an abnormal pouch in the intestine thats present from birth. Meckel diverticulum is a true diverticulum and is the most common congenital anomaly of the gi tract, occurring in about 2% of people. Meckel diverticulum terjadi jika kantung tersebut berada di bagian bawah usus halus, tepatnya di bagian usus kecil yang disebut sebagai ileum, biasanya sekitar 40 inci dari awal usus besar. In asymptomatic patients resection of the diverticulum or ileal segment that contains has been advocated in most studies, in that strategies to determine the risk factors age, sex, diverticulum length proved ineffective in decision remove. It is the most common congenital anomaly of the gastrointestinal tract and occurs in 1 to 3 % of the population 2. Patient now presented with acute intestinal obstruction and underwent exploratory laparotomy.
Sedikit lebih dari satu setengah mengandung mukosa ektopik. It is caused by incomplete obliteration of the vitelline duct and consists of a congenital sacculation of the antimesenteric border of the ileum. Divertikel meckel mula s, harisandi s, riana p tamba departemen ilmu bedah fkuirscm departemen ilmu bedah, divisi bedah anak fkuirscm divertikel meckel pertama kali dideskripsikan oleh johan meckel, pada 1809, merupakan kelainan kongenital saluran pencernaan paling sering,kirakira 2% dari seluruh populasi. Normally, this tissue shrinks and is reabsorbed by the 7th week of pregnancy. The diverticulum may contain tissue similar to that of the stomach or pancreas. Although originally described by fabricus hildanus in 1598. Perforation of meckels diverticulum, peritonitis, and. This duct is typically obliterated by the 5th8th week of gestation.