Abdominal Wall
Hernias
Esophagus
Infectious
Candida
Viral Esophagitis
Inflammatory
Esophagitis
GERD
Toxic effects of caustic agents
Acid
Alkali
Motor abnormalities
Spasms
Structural disorders
Boerhaave’s syndrome (Esophageal Rupture)
Diverticula
Foreign body- fishbone, Battery
Hernias: hiatal, paraesophageal
Mallory-Weiss syndrome
Stricture and stenosis
Tracheoesophageal fistula
Varices
Esophageal Tumors
Liver
Cirrhosis
Alcoholic
Biliary Obstruction
Drug-induced
Hepatorenal failure
Acetaminophen Overdose
Infectious
Liver Abscess
Hepatitis
Liver Tumors
Hepatocellular Carcinoma
Hepatic Encephalopathy
Gall Bladder and Biliary Tract
Cholangitis
Cholecystitis
Cholelithiasis
Choledocholithiasis
Tumors
Pancreas
Pancreatitis
Pancreatic tumor
Peritoneum
Spontaneous bacterial peritonitis
Abdominal compartment sx
Stomach
Infectious
Inflammatory
Gastritis
Peptic ulcer disease
Hemorrhage
Perforation
Structural disorders
Congenital Pyloric stenosis
Foreign body
Tumors
Stomach Cancer
Gastroparesis
Small Bowel
Infectious disorders
Inflammatory disorders
Regional enteritis
Crohn’s disease
Gluten enteropathy
Motor abnormalities
Small Bowel Obstruction
Paralytic ileus
Structural disorders
Aortoenteric fistula
Congenital anomalies
Intestinal malabsorption
Meckel’s diverticulum
Tumors
Vascular insufficiency
Large Bowel
Infectious
Antibiotic-associated
Clostridium Difficile
Bacterial
Hemolytic Uremic Syndrome
Parasitic
Viral
Inflammatory disorders
Appendicitis
Necrotizing enterocolitis (NEC)
Radiation colitis
Ulcerative colitis
Neutropenic enterocolitis/Typhlitis
Motor abnormalities
Hirschsprung’s disease
Irritable bowel
Obstruction
Structural disorders
Congenital anomalies
Diverticula
Intussusception
Volvulus
Malrotation
Tumors
Rectum and Anus
Infectious disorders
Perianal/Anal abscess
Perirectal abscess
Pilonidal cyst and abscess
Inflammatory disorders
Proctitis
Structural disorders
Anal fissure
Anal fistula
Congenital anomalies
Foreign body
Hemorrhoids
Rectal prolapse
Tumors
Spleen
Asplenism
Splenomegaly
Vascular insufficiency/Infarction
Post-surgical Complications
Bariatric surgery
Ostomy