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Meckel diverticulum
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Gastrointestinal system

Pathology

Peritoneum and peritoneal cavity
Peritonitis
Pneumoperitoneum
Upper gastrointestinal tract disorders
Cleft lip and palate
Congenital diaphragmatic hernia
Esophageal web
Tracheoesophageal fistula
Pyloric stenosis
Sialadenitis
Parotitis
Oral candidiasis
Ludwig angina
Aphthous ulcers
Temporomandibular joint dysfunction
Dental abscess
Gingivitis and periodontitis
Dental caries disease
Oral cancer
Warthin tumor
Barrett esophagus
Achalasia
Plummer-Vinson syndrome
Mallory-Weiss syndrome
Boerhaave syndrome
Gastroesophageal reflux disease (GERD)
Zenker diverticulum
Diffuse esophageal spasm
Esophageal cancer
Eosinophilic esophagitis (NORD)
Gastritis
Gastric dumping syndrome
Peptic ulcer
Gastroparesis
Cyclic vomiting syndrome
Gastroenteritis
Gastric cancer
Lower gastrointestinal tract disorders
Gastroschisis
Imperforate anus
Omphalocele
Meckel diverticulum
Intestinal atresia
Hirschsprung disease
Intestinal malrotation
Necrotizing enterocolitis
Intussusception
Tropical sprue
Small bowel bacterial overgrowth syndrome
Celiac disease
Short bowel syndrome (NORD)
Lactose intolerance
Whipple's disease
Protein losing enteropathy
Microscopic colitis
Crohn's disease
Ulcerative colitis
Bowel obstruction
Intestinal adhesions
Volvulus
Gallstone ileus
Abdominal hernias
Femoral hernia
Inguinal hernia
Small bowel ischemia and infarction
Ischemic colitis
Familial adenomatous polyposis
Peutz-Jeghers syndrome
Gardner syndrome
Juvenile polyposis syndrome
Colorectal polyps
Colorectal cancer
Carcinoid syndrome
Irritable bowel syndrome
Gastroenteritis
Diverticulosis and diverticulitis
Appendicitis
Anal fissure
Anal fistula
Hemorrhoid
Rectal prolapse
Liver, gallbladder and pancreas disorders
Crigler-Najjar syndrome
Biliary atresia
Gilbert's syndrome
Dubin-Johnson syndrome
Rotor syndrome
Jaundice
Cirrhosis
Portal hypertension
Hepatic encephalopathy
Hemochromatosis
Wilson disease
Budd-Chiari syndrome
Non-alcoholic fatty liver disease
Cholestatic liver disease
Hepatocellular adenoma
Autoimmune hepatitis
Alcohol-induced liver disease
Alpha 1-antitrypsin deficiency
Primary biliary cirrhosis
Primary sclerosing cholangitis
Hepatitis
Neonatal hepatitis
Reye syndrome
Benign liver tumors
Hepatocellular carcinoma
Gallstones
Biliary colic
Acute cholecystitis
Ascending cholangitis
Chronic cholecystitis
Gallstone ileus
Gallbladder cancer
Cholangiocarcinoma
Acute pancreatitis
Pancreatic pseudocyst
Chronic pancreatitis
Pancreatic cancer
Pancreatic neuroendocrine neoplasms
Zollinger-Ellison syndrome
Gastrointestinal system pathology review
Congenital gastrointestinal disorders: Pathology review
Esophageal disorders: Pathology review
GERD, peptic ulcers, gastritis, and stomach cancer: Pathology review
Inflammatory bowel disease: Pathology review
Malabsorption syndromes: Pathology review
Diverticular disease: Pathology review
Appendicitis: Pathology review
Gastrointestinal bleeding: Pathology review
Colorectal polyps and cancer: Pathology review
Neuroendocrine tumors of the gastrointestinal system: Pathology review
Pancreatitis: Pathology review
Gallbladder disorders: Pathology review
Jaundice: Pathology review
Viral hepatitis: Pathology review
Cirrhosis: Pathology review

Assessments
Meckel diverticulum

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Questions

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High Yield Notes
11 pages
Flashcards

Meckel diverticulum

7 flashcards
Questions

USMLE® Step 1 style questions USMLE

1 questions
Preview

A 5-year-old girl is brought to the pediatrician for evaluation of abdominal pain and bloody stools. The symptoms began three-weeks ago. The abdominal pain is intermittent and usually self-resolves within an hour. Past medical history is noncontributory. She has been meeting all developmental milestones. Physical examination reveals a nontender and nondistended abdomen with normal bowel sounds. Laboratory testing reveals the following:
 

 Laboratory value  Result 
 Hemoglobin  15.2 g/dL 
 Platelet count  260,000/mm3 
 Prothrombin time  14 seconds 
 Partial thromboplastin time  32 seconds 
 
A radiolabeled technetium-99 scan is performed and reveals increased uptake in a structure located in the right lower abdominal quadrant. The walls of this structure will most likely consist of which of the following? 

External References
Summary

A Meckel's diverticulum is a malformation of the gastrointestinal system, characterized by a small pouch that forms on the wall of the distal ileal part of the small intestine. It occurs when during fetal development, part of the intestine fails to close up properly.

Meckel's diverticulum can cause problems if food or other material becomes trapped in the pouch, leading to bowel infection or even perforation. Surgery is usually needed to remove a Meckel diverticulum.