GI

Esophageal Disorders

1. Gastroesophageal Reflux Disease (GERD)

2. Barrett’s Esophagus

3. Esophageal Cancer (Adenocarcinoma vs. Squamous Cell Carcinoma)

4. Achalasia

5. Mallory-Weiss Tear

6. Boerhaave Syndrome

7. Esophageal Varices

Stomach Disorders

8. Peptic Ulcer Disease (PUD)

9. Gastritis (Acute vs. Chronic, H. pylori vs. Autoimmune)

10. Gastric Cancer

11. Zollinger-Ellison Syndrome

12. Dumping Syndrome

Small Intestine Disorders

13. Celiac Disease

14. Lactose Intolerance

15. Small Bowel Bacterial Overgrowth (SIBO)

16. Crohn’s Disease

17. Small Bowel Obstruction

18. Meckel’s Diverticulum

19. Whipple’s Disease

Large Intestine Disorders

20. Ulcerative Colitis

21. Irritable Bowel Syndrome (IBS)

22. Diverticulosis/Diverticulitis

23. Colorectal Cancer

24. Pseudomembranous Colitis (C. difficile)

25. Ischemic Colitis

26. Microscopic Colitis (Collagenous vs. Lymphocytic)

27. Hirschsprung’s Disease

Hepatobiliary Disorders

28. Hepatitis (A, B, C, D, E, Autoimmune)

29. Cirrhosis

30. Portal Hypertension

31. Hepatocellular Carcinoma (HCC)

32. Hemochromatosis

33. Wilson’s Disease

34. Alpha-1 Antitrypsin Deficiency

35. Primary Biliary Cholangitis (PBC)

36. Primary Sclerosing Cholangitis (PSC)

37. Cholelithiasis (Gallstones)

38. Acute Cholecystitis

39. Ascending Cholangitis

40. Budd-Chiari Syndrome

Pancreatic Disorders

41. Acute Pancreatitis

42. Chronic Pancreatitis

43. Pancreatic Adenocarcinoma

44. Pancreatic Neuroendocrine Tumors (Insulinoma, Gastrinoma)

Infectious GI Diseases

45. H. pylori Infection

46. Giardia lamblia Infection

47. Entamoeba histolytica (Amebiasis)

48. Salmonella Enterocolitis

49. Campylobacter Enteritis

50. Shigella Dysentery

51. Yersinia enterocolitica Infection

52. Cryptosporidium Infection (HIV-associated)

53. Cyclospora Infection

54. Tropheryma whipplei (Whipple’s Disease)

Vascular & Ischemic Disorders

55. Mesenteric Ischemia (Acute vs. Chronic)

56. Angiodysplasia

57. Hemorrhoids

Functional & Motility Disorders

58. Gastroparesis

59. Fecal Incontinence

60. Chronic Intestinal Pseudo-Obstruction

Nutritional Deficiencies

61. Vitamin B12 Deficiency (Pernicious Anemia)

62. Iron Deficiency Anemia

63. Folate Deficiency

64. Zinc Deficiency (Acrodermatitis Enteropathica)

Pediatric GI Disorders

65. Pyloric Stenosis

66. Intussusception

67. Necrotizing Enterocolitis (NEC)

68. Biliary Atresia

69. Cystic Fibrosis (Meconium Ileus)

Miscellaneous High-Yield Conditions

70. Carcinoid Syndrome

71. Familial Adenomatous Polyposis (FAP)

72. Lynch Syndrome (HNPCC)

73. Gardner Syndrome

74. Turcot Syndrome

75. Peutz-Jeghers Syndrome

76. Hereditary Hemochromatosis

77. Gilbert Syndrome

78. Dubin-Johnson Syndrome

79. Rotor Syndrome

80. Ogilvie Syndrome (Acute Colonic Pseudo-Obstruction)

81. Zenker’s Diverticulum

82. Plummer-Vinson Syndrome

83. Ménétrier’s Disease

84. Eosinophilic Esophagitis

85. Graft-versus-Host Disease (GVHD)

Toxic & Drug-Induced Disorders

86. Acetaminophen Toxicity

87. Alcoholic Liver Disease

88. Non-Alcoholic Fatty Liver Disease (NAFLD/NASH)

89. NSAID-Induced Gastropathy

Post-Surgical & Procedural Syndromes

90. Short Bowel Syndrome

91. Post-Cholecystectomy Syndrome

Paraneoplastic Syndromes

92. Acanthosis Nigricans (GI Malignancy)

93. Migratory Thrombophlebitis (Trousseau’s Syndrome)

Other

94. Amyloidosis (GI Involvement)

95. Sarcoidosis (Hepatic Involvement)

96. Behçet’s Disease (GI Ulcers)

97. Henoch-Schönlein Purpura (GI Bleed)

98. Mastocytosis (Diarrhea, Flushing)

99. Neuroendocrine Tumors (VIPoma, Somatostatinoma)

100. Tropical Sprue