Diagnostic Pathology: Gastrointestinal

ESOPHAGUS      

Nonneoplastic    

1 Tracheoesophageal Fistula and Esophageal Atresia

2 Esophageal Duplication Cyst

3 Inlet Patch

4 Esophageal Webs and Rings

5 Esophageal Diverticula

6 Esophageal Varices

7 Esophageal Tears and Perforations

8 Achalasia

9 Gastroesophageal Reflux Disease

10 Eosinophilic Esophagitits

11 Pill-Induced Esophagitis

12 Corrosive Damage (Lye)

13 Sloughing Esophagitis

14 Candidal Esophagitis

15 HIV-Associated Ulcers

16 Barrett Esophagus

Neoplastic    

17 Dysplasia in Barrett Esophagus

18 Adenocarcinoma, Esophagus

19 Squamous Papilloma

20 Squamous Dysplasia

21 Squamous Cell Carcinoma, Esophagus

22 Fibrovascular Polyp

23 Granular Cell Tumor

STOMACH      

Nonneoplastic    

24 Pyloric Stenosis

25 Gastric Antral Vascular Ectasia

26 Dieulafoy Lesion

27 Portal Hypertensive Gastropathy

28 Acute Hemorrhagic Gastritis

29 Chemical Gastropathy

30 Gastric Mucosal Calcinosis

31 Iron Gastropathy

32 Gastric Ulcers

33 Carditis

34 Helicobacter Pylori

35 Helicobacter Heilmannii

36 Multifocal Atrophic Gastritis

37 Autoimmune Gastritis

38 Lymphocytic Gastritis

39 Eosinophilic Gastroenteritis

40 Granulomatous Gastritis

41 Phlegmonous Gastritis

42 Herpes Zoster

43 Gastric Xanthoma

45 Fundic Gland Polyp

46 Hyperplastic Polyps, Stomach

47 Menetrier Disease

48 Zollinger-Ellison Syndrome

Neoplastic    

49 Adenoma, Stomach

50 Adenocarcinoma, Stomach

51 Adenocarcinoma, Special Variants

52 Hereditary Diffuse Gastric Cancer

53 Carcinoid Tumor, Stomach

54 MALT Lymphoma

55 Large Cell Lymphoma

56 Mantle Cell Lymphoma

SMALL INTESTINE      

Nonneoplastic    

57 Small Intestine Duplication Cyst

58 Meckel Diverticulum

59 Gastric Heterotopia

60 Ectopic Pancreas

61 Microvillus Inclusion Disease

62 Necrotizing Enterocolitis

63 Primary Lymphangiectasia

64 Peptic Duodenitis/Duodenal Ulcer

65 Celiac Disease

66 Tropical Sprue

67 Bacterial Overgrowth/Stasis

68 Olmesartan Enteropathy

69 Autoimmune Enterocolitis

70 Pouchitis

71 Whipple Disease

72 Common Variable Immundeficiency

73 Giardia

74 Cryptosporidia

75 Isospora

76 Microsporidia

77 Yersiniosis

78 Mycobacterium Avium-Intracellulare

79 Mycobacterium Tuberculosis

80 Strongyloidiasis

Neoplastic    

81 Adenoma, Small Intestine

82 Adenocarcinoma, Small Intestine

83 Carcinoid

84 Gangliocytic Paraganglioma

85 Enteropathy-Associated T-Cell Lymphoma

86 Waldenstrom Protein

APPENDIX      

Nonneoplastic    

87 Acute Appendicitis

88 Granulomatous Appendicitis

89 Enterobius Vermicularis Appendicitis

90 Fibrous Obliteration

Neoplastic    

91 Serrated Polyps, Appendix

92 Mucinous Cystic Neoplasms

93 Carcinoid Tumor, Appendix

94 Goblet Cell Carcinoid/Mixed Adenocarcinoma-Carcinoid

COLON      

Nonneoplastic    

95 Hirschsprung Disease

96 Colonic Duplications, Cysts, and Congenital Diverticula

97 Motility Disorders

98 Diverticular Disease

99 Endometriosis

100 Preparation Artifacts

101 Melanosis Coli

102 Ulcerative Colitis, Colon

103 Crohn Disease

104 Lymphocytic Colitis

105 Collagenous Colitis

106 Eosinophilic/Allergic Colitis

107 Mastocytosis

108 Diversion Colitis

109 Diverticular Disease-related Colitis

110 Solitary Rectal Ulcer Syndrome/Mucosal Prolapse

111 Pneumatosis Coli

112 Acute Infectious Colitis

113 Focal Active Colitis

114 Campylobacter

115 Salmonella

116 Shigella

117 Clostridium Difficile

118 Enterohemorrhagic E. coli Infections

119 Spirochetosis

120 Adenovirus

121 Malakoplakia

122 Histoplasma

123 Cryptococcus

124 Entamoeba histolytica

125 Schistosomiasis

Neoplastic    

126 Benign Fibroblastic Polyp/Perineurioma

127 Ganglioneuroma

128 Hyperplastic Polyps, Colon

129 Sessile Serrated Adenoma

130 Mixed Adenoma-Serrated Polyp

131 Adenoma, Colon

132 Adenoma With Pseudoinvasion

133 Adenoma With Invasive Carcinoma

134 Colorectal Adenocarcinoma

135 Familial Cancer Syndromes in Colorectal Carcinoma

136 Familial Adenomatous Polyposis

137 Lynch Syndrome (Hereditary Nonpolyposis Colorectal Cancer Syndrome)

138 Inflammatory Bowel Disease-associated Neoplasia

139 Carcinoid Tumor, Colon

ANUS      

Nonneoplastic    

140 Hemorrhoids

141 Tailgut Cyst

Neoplastic    

142 Condyloma, Anus

143 Anal Intraepithelial Neoplasia

144 Squamous Cell Carcinoma, Anus

145 Basal Cell Carcinoma

146 Paget Disease

147 Anal Duct Carcinoma

MULTIPLE ORGANS      

Nonneoplastic    

148 Amyloidosis

149 Cytomegalovirus

150 Herpes Simplex Virus

151 Nonsteroidal Anti-Inflammatory Drug Damage

152 Ischemia

153 Vasculitis

154 Bechet Syndrome

155 Graft-vs.-Host Disease

156 Mycophenolate Injury

157 Radiation Effect

158 Chemotherapy Effect

159 Paclitaxel (Taxol) Effect

160 Colchicine Effect

161 Kayexalate Injury

162 Hamartomatous Polyps, Cowden Syndrome

163 Hamartomatous Polyps, Cronkhite-Canada

164 Hamartomatous Polyps, Juvenile

165 Hamartomatous Polyps, Peutz-Jeghers

Neoplastic    

165 Leiomyoma

166 Leiomyosarcoma

167 Gastrointestinal Stromal Tumor

168 Mesenteric Fibromatosis

169 Inflammatory Fibroid Polyp

170 Schwannoma

171 Inflammatory Myofibroblastic Tumor

172 Glomus Tumor

173 Primary Melanoma

174 Metastatic Melanoma