Anal fistula
Anal fistula
GI
GI
Acute cholecystitis
Chronic cholecystitis
Ascending cholangitis
Gallstones
Biliary colic
Anal fissure
Anal fistula
Gallbladder disorders: Pathology review
Diverticulosis and diverticulitis
Irritable bowel syndrome
Hemorrhoid
Gastroenteritis
Colorectal polyps
Celiac disease
Small bowel ischemia and infarction
Ischemic colitis
Elimination disorders: Clinical
Laxatives and cathartics
Abdominal pain: Clinical
Anal conditions: Clinical
Gastrointestinal bleeding: Clinical
Gastrointestinal bleeding: Pathology review
Diverticular disease: Pathology review
Inflammatory bowel disease: Clinical
Inflammatory bowel disease: Pathology review
Non-steroidal anti-inflammatory drugs
Bowel obstruction
Bowel obstruction: Clinical
Colorectal polyps and cancer: Pathology review
Familial adenomatous polyposis
Peutz-Jeghers syndrome
Clostridium difficile (Pseudomembranous colitis)
Esophagitis: Clinical
Eosinophilic esophagitis (NORD)
Gastroesophageal reflux disease (GERD): Clinical
Esophageal disorders: Pathology review
Gastroesophageal reflux disease (GERD)
Esophageal disorders: Clinical
Mallory-Weiss syndrome
Esophageal motility
Cirrhosis: Clinical
Tropical sprue
Diarrhea: Clinical
Malabsorption syndromes: Pathology review
Lactose intolerance
Food allergies and EpiPens: Information for patients and families (The Primary School)
Gastritis
GERD, peptic ulcers, gastritis, and stomach cancer: Pathology review
Helicobacter pylori
Peptic ulcer
Peptic ulcers and stomach cancer: Clinical
Pyloric stenosis
Viral hepatitis
Hepatitis medications
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Cirrhosis: Pathology review
Alcohol-associated liver disease
Cirrhosis
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Non-alcoholic fatty liver disease
Abdominal hernias
Yersinia enterocolitica
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Salmonella (non-typhoidal)
Vibrio cholerae (Cholera)
Bacteroides fragilis
Rotavirus
Listeria monocytogenes
Glucose-6-phosphate dehydrogenase (G6PD) deficiency
Krabbe disease
Phenylketonuria (NORD)
Osteomalacia and rickets
Pancreatitis: Pathology review
Pancreatitis: Clinical
Acute pancreatitis
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Appendicitis: Clinical
Appendicitis
Appendicitis: Pathology review
Intussusception
Congenital gastrointestinal disorders: Pathology review
Vitamins and minerals
Esophageal web
Gastric cancer
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Boerhaave syndrome
Plummer-Vinson syndrome
Barrett esophagus
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Carcinoid syndrome
Hepatocellular adenoma
Benign liver tumors
Cholangiocarcinoma
Gallbladder carcinoma
Pancreatic cancer
Pancreatic pseudocyst
Zollinger-Ellison syndrome
Pancreatic neuroendocrine neoplasms
Flashcards
Anal fistula
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Key Takeaways
An anal fistula is an abnormal passage or opening between the rectum and another organ, or the skin near the anus. It may go completely around the anal opening (external fistula) or form a connection between the rectum and another organ, such as the bladder (internal fistula). Anal fistulas often develop after an infection or abscess in the area around the anus. Anal sex can also cause an anal fistula. Symptoms of an anal fistula include drainage from the opening, pain, swelling, and fever.