THE EDITORS Jocelyn Mott, DVM, DACVIM (SAIM), is an internist and medical director of Pasadena Veterinary Specialists and Clinical Professor of Veterinary Medicine at Western University of Health Sciences in Pomona, California, USA. Jo Ann Morrison, DVM, MS, DACVIM (SAIM), is a Senior Manager of Veterinary Relations at Banfield Pet Hospital in Vancouver, Washington, USA.

Select Guide Rating

• Contributors xiiiAbout the Companion Website xixSection I Clinical Signs of Gastrointestinal DiseaseChapter 1 Acute Abdomen 3Steven L. MarksChapter 2 Constipation and Obstipation 10Albert E. JergensChapter 3 Diarrhea, Acute 15Erin PortilloChapter 4 Diarrhea, Chronic – Canine 20Jocelyn MottChapter 5 Diarrhea, Chronic – Feline 28Sina MarsilioChapter 6 Dyschezia and Tenesmus 45Alana RedfernChapter 7 Dysphagia 51Alana RedfernChapter 8 Flatulence 58Gavin OlsenChapter 9 Hematemesis 63Jocelyn MottChapter 10 Hematochezia 70Julie StegemanChapter 11 Melena 76Julie StegemanChapter 12 Nutritional Approach to Acute Vomiting and Diarrhea 84Caitlin Grant, Sarah Dodd and Adronie VerbruggheChapter 13 Ptyalism 88Valerie J. ParkerChapter 14 Rectal and Anal Prolapse 95Eric R. PopeChapter 15 Regurgitation 103Rhonda L. SchulmanChapter 16 Vomiting, Acute 110Erin PortilloChapter 17 Vomiting, Chronic 116John M. CrandellSection II Diseases of the Oral CavityChapter 18 Craniomandibular Osteopathy 127Nina R. Kieves, Amy N. Zide, Kathleen L. Ham and James HowardChapter 19 Feline Eosinophilic Dermatitis 134Alexander H. Werner Resnick and Karen Helton‐RhodesChapter 20 Oral Neoplasia, Benign 141Heidi B. Lobprise and Jason W. SoukupChapter 21 Oral Neoplasia, Malignant 147Heidi B. Lobprise and Jason W. SoukupChapter 22 Phenobarbital-Responsive Sialadenosis 155Vivian K. YauChapter 23 Sialadenitis 159Jo Ann MorrisonChapter 24 Salivary Mucocele 164Amy N. Zide, Nina R. Kieves, Kathleen L. Ham and James HowardChapter 25 Stomatitis 172Larry BakerChapter 26 Stomatitis, Caudal – Feline 179Jan BellowsSection III Diseases of the EsophagusChapter 27 Cricopharyngeal Achalasia 189Romy M. Heilmann and Stanley L. MarksChapter 28 Gastroesophageal Diverticula 195Albert E. JergensChapter 29 Esophageal Fistula 198Louisa Ho‐Eckart and Eric ZellnerChapter 30 Esophageal Foreign Bodies 205Albert E. JergensChapter 31 Esophageal Neoplasia 209Marlene L. HauckChapter 32 Esophageal Stricture 214Michael D. WillardChapter 33 Esophagitis 220Steve HillChapter 34 Hiatal Hernia 231Kathryn A. Pitt, Philipp D. Mayhew and Stanley L. MarksChapter 35 Megaesophagus 238Emilie ChaplowChapter 36 Nutritional Approach to Gastroesophageal Reflux Disease and Megaesophagus 247Caitlin Grant, Sarah Dodd and Adronie VerbruggheChapter 37 Spirocerca lupi 251Jocelyn MottSection IV Diseases of the StomachChapter 38 Gastric and Intestinal Motility Disorders 259Jo Ann MorrisonChapter 39 Gastric Dilation-Volvulus 266April BlongChapter 40 Gastric Neoplasia, Benign 273Jennifer A. MahoneyChapter 41 Gastric Neoplasia, Malignant 278Jennifer A. MahoneyChapter 42 Gastric Parasites 285Jeba Jesudoss Chelladurai and Matt T. BrewerChapter 43 Gastritis, Acute 289Romy M. HeilmannChapter 44 Gastritis, Atrophic 296Jessica M. ClemansChapter 45 Gastritis, Chronic 300Michelle PresselChapter 46 Gastroduodenal Ulceration/Erosion 306Michael D. WillardChapter 47 Gastroesophageal Reflux 313Albert E. JergensChapter 48 Helicobacter-Associated Gastritis 317Jan S. SuchodolskiChapter 49 Hypertrophic Pyloric Gastropathy, Chronic 324Steven L. MarksSection V Diseases of the IntestinesChapter 50 Bilious Vomiting Syndrome 331Romy M. Heilmann and David C. TwedtChapter 51 Canine Parvovirus Infection 337Willem J. Botha and Johan P. SchoemanChapter 52 Cobalamin Deficiency 345Jorg M. SteinerChapter 53 Cryptosporidiosis 350Jeba Jesudoss Chelladurai and Matt T. BrewerChapter 54 Diarrhea, Antibiotic Responsive 354Karin AllenspachChapter 55 Enteritis, Bacterial 360Krysta DeitzChapter 56 Enterocolitis, Granulomatous 370Sina MarsilioChapter 57 Feline Viral Enterides 378Jennifer E. SlovakChapter 58 Food Reactions (Gastrointestinal), Adverse 384Laura Van Vertloo and Albert E. JergensChapter 59 Fungal Enteritides 389Jean-Sebastien PalermeChapter 60 Gastroenteritis, Eosinophilic 396Michelle PresselChapter 61 Gastroenteritis, Hemorrhagic 402Michael CurtisChapter 62 Gastroenteritis, Lymphocytic‐Plasmacytic 409John M. CrandellChapter 63 Gastrointestinal Obstruction 418Jean-Sebastien Palerme and Albert E. JergensChapter 64 Gastrointestinal Lymphoma, Canine 425Steven E. SuterChapter 65 Gastrointestinal Lymphoma, Feline 431Jennifer A. MahoneyChapter 66 Giardiasis 438Jeba Jesudoss Chelladurai and Matt T. BrewerChapter 67 Gluten-Sensitive Enteropathy in Irish Setters 441Krysta DeitzChapter 68 Immunoproliferative Enteropathy of Basenjis 444Gavin OlsenChapter 69 Inflammatory Bowel Disease 449Albert E. JergensChapter 70 Intestinal Dysbiosis 454Jan S. Suchodolski and Jorg M. SteinerChapter 71 Intestinal Neoplasia, Benign 460Carrie A. WoodChapter 72 Intestinal Neoplasia, Malignant 464Carrie A. WoodChapter 73 Intussusception 470Louisa Ho‐Eckart and Eric ZellnerChapter 74 Irritable Bowel Syndrome 478Alana RedfernChapter 75 Lymphangiectasia 484Michael D. WillardChapter 76 Nutritional Approach to Chronic Enteropathies 490Sarah Dodd, Caitlin Grant and Adronie VerbruggheChapter 77 Parasites, Gastrointestinal 506Jeba Jesudoss Chelladurai and Matt T. BrewerChapter 78 Protein‐Losing Enteropathy 513Jorg M. SteinerChapter 79 Salmon Poisoning Disease 521Jennifer E. SlovakChapter 80 Short Bowel Syndrome 526Krysta DeitzSection VI Diseases of the ColonChapter 81 Atresia Ani 533Eric Zellner and Louisa Ho‐EckartChapter 82 Clostridial Enterotoxicosis 539Jennifer E. SlovakChapter 83 Colitis and Proctitis 546Jo Ann MorrisonChapter 84 Colitis, Histiocytic Ulcerative 554Jo Ann MorrisonChapter 85 Colonic Neoplasia, Benign 559Carrie A. WoodChapter 86 Colonic Neoplasia, Malignant 564Marlene L. HauckChapter 87 Fiber‐Responsive Large Bowel Diarrhea 568Michael S. LeibChapter 88 Megacolon 573Laura Van Vertloo and Albert E. JergensChapter 89 Perianal Fistula 581Eric R. PopeChapter 90 Perineal Hernia 588Fiona M. LittleChapter 91 Rectal Stricture 593Eric R. PopeChapter 92 Rectoanal Polyps 601Eric R. PopeChapter 93 Trichomoniasis 608Jeba Jesudoss Chelladurai and Matt T. BrewerSection VII Diseases of the PancreasChapter 94 Nutritional Approach to Exocrine Pancreas Disease 613Caitlin Grant, Sarah Dodd and Adronie VerbruggheChapter 95 Exocrine Pancreatic Insufficiency 621Jorg M. SteinerChapter 96 Pancreatic Abscess 628Panagiotis G. XenoulisChapter 97 Pancreatic Neoplasia 632Nick DervisisChapter 98 Pancreatic Nodular Hyperplasia 637Kate HolanChapter 99 Pancreatic Parasites 640Jessica C. PritchardChapter 100 Pancreatic Pseudocyst 645Panagiotis G. XenoulisChapter 101 Pancreatitis, Canine 649Jean-Sebastien Palerme and Albert E. JergensChapter 102 Pancreatitis, Feline 656Albert E. JergensSection VIII Clinical Signs of Hepatobiliary DiseaseChapter 103 Icterus 665Jean‐Sebastien PalermeChapter 104 Coagulopathy of Liver Disease 673Peter J. FernandesSection IX Diseases of the LiverChapter 105 Arteriovenous Malformation of the Liver 681Ashleigh SeigneurChapter 106 Cholangitis/Cholangiohepatitis Syndrome 687Jo Ann MorrisonChapter 107 Cholangitis, Destructive 697Jonathan A. LidburyChapter 108 Cirrhosis and Fibrosis of the Liver 702Jo Ann MorrisonChapter 109 Copper-Associated Hepatopathy 711Jo Ann MorrisonChapter 110 Ductal Plate Malformation 721Jo Ann MorrisonChapter 111 Glycogen Storage Disease 729Jessica C. Pritchard and Sharon A. CenterChapter 112 Glycogen‐Type Vacuolar Hepatopathy 734Ashleigh SeigneurChapter 113 Hepatic Amyloid 742Kate HolanChapter 114 Hepatic Encephalopathy 748Manolis K. Chatzis and Panagiotis G. XenoulisChapter 115 Hepatic Failure, Acute 755Yuri A. LawrenceChapter 116 Hepatic Lipidosis 763Panagiotis G. XenoulisChapter 117 Hepatic Neoplasia, Benign 771Nick DervisisChapter 118 Hepatic Neoplasia, Malignant 775Nick DervisisChapter 119 Hepatic Nodular Hyperplasia and Dysplastic Hyperplasia 781Sean P. McDonough and Sharon A. CenterChapter 120 Hepatitis, Chronic 786Sean P. McDonough and Sharon A. CenterChapter 121 Hepatitis, Granulomatous 796Jocelyn MottChapter 122 Hepatitis, Infectious (Viral) Canine 801Kate HolanChapter 123 Hepatitis, Lobular Dissecting 807Jonathan A. LidburyChapter 124 Hepatitis, Nonspecific, Reactive 813Jonathan A. LidburyChapter 125 Hepatitis, Suppurative and Hepatic Abscess 817Ashleigh SeigneurChapter 126 Hepatopathy, Hyperthyroidism – Feline 823Jonathan A. LidburyChapter 127 Hepatopathy, Infectious 828Yuri A. Lawrence and Randi GoldChapter 128 Hepatoportal Microvascular Dysplasia 836Sean P. McDonough and Sharon A. CenterChapter 129 Hepatotoxins 843Michael D. WillardChapter 130 Hypertension, Portal 850Jo Ann MorrisonChapter 131 Leptospirosis 858Mathios E. MylonakisChapter 132 Nutritional Approach to Hepatobiliary Diseases 866Sarah Dodd, Caitlin Grant and Adronie VerbruggheChapter 133 Portosystemic Shunting, Acquired 878Julie StegemanChapter 134 Portosystemic Vascular Anomaly, Congenital 885Kathleen L. Ham, James Howard, Amy N. Zide and Nina R. KievesSection X Diseases of the Biliary TractChapter 135 Bile Duct Obstruction (Extrahepatic) 901Jocelyn MottChapter 136 Biliary Duct or Gallbladder Rupture and Bile Peritonitis 910Rebecca A.L. WaltonChapter 137 Biliary Neoplasia 918Christine Mullin and Craig A. CliffordChapter 138 Cholecystitis and Choledochitis 925Yuri A. LawrenceChapter 139 Cholecystitis, Emphysematous 932Vivian K. YauChapter 140 Cholelithiasis 937Jocelyn MottChapter 141 Gallbladder Mucocele 943James Howard, Kathleen L. Ham, Amy N. Zide and Nina R. KievesIndex 953

THE EDITORS Jocelyn Mott, DVM, DACVIM (SAIM), is an internist and medical director of Pasadena Veterinary Specialists and Clinical Professor of Veterinary Medicine at Western University of Health Sciences in Pomona, California, USA. Jo Ann Morrison, DVM, MS, DACVIM (SAIM), is a Senior Manager of Veterinary Relations at Banfield Pet Hospital in Vancouver, Washington, USA.

Select Guide Rating

• Contributors xiiiAbout the Companion Website xixSection I Clinical Signs of Gastrointestinal DiseaseChapter 1 Acute Abdomen 3Steven L. MarksChapter 2 Constipation and Obstipation 10Albert E. JergensChapter 3 Diarrhea, Acute 15Erin PortilloChapter 4 Diarrhea, Chronic – Canine 20Jocelyn MottChapter 5 Diarrhea, Chronic – Feline 28Sina MarsilioChapter 6 Dyschezia and Tenesmus 45Alana RedfernChapter 7 Dysphagia 51Alana RedfernChapter 8 Flatulence 58Gavin OlsenChapter 9 Hematemesis 63Jocelyn MottChapter 10 Hematochezia 70Julie StegemanChapter 11 Melena 76Julie StegemanChapter 12 Nutritional Approach to Acute Vomiting and Diarrhea 84Caitlin Grant, Sarah Dodd and Adronie VerbruggheChapter 13 Ptyalism 88Valerie J. ParkerChapter 14 Rectal and Anal Prolapse 95Eric R. PopeChapter 15 Regurgitation 103Rhonda L. SchulmanChapter 16 Vomiting, Acute 110Erin PortilloChapter 17 Vomiting, Chronic 116John M. CrandellSection II Diseases of the Oral CavityChapter 18 Craniomandibular Osteopathy 127Nina R. Kieves, Amy N. Zide, Kathleen L. Ham and James HowardChapter 19 Feline Eosinophilic Dermatitis 134Alexander H. Werner Resnick and Karen Helton‐RhodesChapter 20 Oral Neoplasia, Benign 141Heidi B. Lobprise and Jason W. SoukupChapter 21 Oral Neoplasia, Malignant 147Heidi B. Lobprise and Jason W. SoukupChapter 22 Phenobarbital-Responsive Sialadenosis 155Vivian K. YauChapter 23 Sialadenitis 159Jo Ann MorrisonChapter 24 Salivary Mucocele 164Amy N. Zide, Nina R. Kieves, Kathleen L. Ham and James HowardChapter 25 Stomatitis 172Larry BakerChapter 26 Stomatitis, Caudal – Feline 179Jan BellowsSection III Diseases of the EsophagusChapter 27 Cricopharyngeal Achalasia 189Romy M. Heilmann and Stanley L. MarksChapter 28 Gastroesophageal Diverticula 195Albert E. JergensChapter 29 Esophageal Fistula 198Louisa Ho‐Eckart and Eric ZellnerChapter 30 Esophageal Foreign Bodies 205Albert E. JergensChapter 31 Esophageal Neoplasia 209Marlene L. HauckChapter 32 Esophageal Stricture 214Michael D. WillardChapter 33 Esophagitis 220Steve HillChapter 34 Hiatal Hernia 231Kathryn A. Pitt, Philipp D. Mayhew and Stanley L. MarksChapter 35 Megaesophagus 238Emilie ChaplowChapter 36 Nutritional Approach to Gastroesophageal Reflux Disease and Megaesophagus 247Caitlin Grant, Sarah Dodd and Adronie VerbruggheChapter 37 Spirocerca lupi 251Jocelyn MottSection IV Diseases of the StomachChapter 38 Gastric and Intestinal Motility Disorders 259Jo Ann MorrisonChapter 39 Gastric Dilation-Volvulus 266April BlongChapter 40 Gastric Neoplasia, Benign 273Jennifer A. MahoneyChapter 41 Gastric Neoplasia, Malignant 278Jennifer A. MahoneyChapter 42 Gastric Parasites 285Jeba Jesudoss Chelladurai and Matt T. BrewerChapter 43 Gastritis, Acute 289Romy M. HeilmannChapter 44 Gastritis, Atrophic 296Jessica M. ClemansChapter 45 Gastritis, Chronic 300Michelle PresselChapter 46 Gastroduodenal Ulceration/Erosion 306Michael D. WillardChapter 47 Gastroesophageal Reflux 313Albert E. JergensChapter 48 Helicobacter-Associated Gastritis 317Jan S. SuchodolskiChapter 49 Hypertrophic Pyloric Gastropathy, Chronic 324Steven L. MarksSection V Diseases of the IntestinesChapter 50 Bilious Vomiting Syndrome 331Romy M. Heilmann and David C. TwedtChapter 51 Canine Parvovirus Infection 337Willem J. Botha and Johan P. SchoemanChapter 52 Cobalamin Deficiency 345Jorg M. SteinerChapter 53 Cryptosporidiosis 350Jeba Jesudoss Chelladurai and Matt T. BrewerChapter 54 Diarrhea, Antibiotic Responsive 354Karin AllenspachChapter 55 Enteritis, Bacterial 360Krysta DeitzChapter 56 Enterocolitis, Granulomatous 370Sina MarsilioChapter 57 Feline Viral Enterides 378Jennifer E. SlovakChapter 58 Food Reactions (Gastrointestinal), Adverse 384Laura Van Vertloo and Albert E. JergensChapter 59 Fungal Enteritides 389Jean-Sebastien PalermeChapter 60 Gastroenteritis, Eosinophilic 396Michelle PresselChapter 61 Gastroenteritis, Hemorrhagic 402Michael CurtisChapter 62 Gastroenteritis, Lymphocytic‐Plasmacytic 409John M. CrandellChapter 63 Gastrointestinal Obstruction 418Jean-Sebastien Palerme and Albert E. JergensChapter 64 Gastrointestinal Lymphoma, Canine 425Steven E. SuterChapter 65 Gastrointestinal Lymphoma, Feline 431Jennifer A. MahoneyChapter 66 Giardiasis 438Jeba Jesudoss Chelladurai and Matt T. BrewerChapter 67 Gluten-Sensitive Enteropathy in Irish Setters 441Krysta DeitzChapter 68 Immunoproliferative Enteropathy of Basenjis 444Gavin OlsenChapter 69 Inflammatory Bowel Disease 449Albert E. JergensChapter 70 Intestinal Dysbiosis 454Jan S. Suchodolski and Jorg M. SteinerChapter 71 Intestinal Neoplasia, Benign 460Carrie A. WoodChapter 72 Intestinal Neoplasia, Malignant 464Carrie A. WoodChapter 73 Intussusception 470Louisa Ho‐Eckart and Eric ZellnerChapter 74 Irritable Bowel Syndrome 478Alana RedfernChapter 75 Lymphangiectasia 484Michael D. WillardChapter 76 Nutritional Approach to Chronic Enteropathies 490Sarah Dodd, Caitlin Grant and Adronie VerbruggheChapter 77 Parasites, Gastrointestinal 506Jeba Jesudoss Chelladurai and Matt T. BrewerChapter 78 Protein‐Losing Enteropathy 513Jorg M. SteinerChapter 79 Salmon Poisoning Disease 521Jennifer E. SlovakChapter 80 Short Bowel Syndrome 526Krysta DeitzSection VI Diseases of the ColonChapter 81 Atresia Ani 533Eric Zellner and Louisa Ho‐EckartChapter 82 Clostridial Enterotoxicosis 539Jennifer E. SlovakChapter 83 Colitis and Proctitis 546Jo Ann MorrisonChapter 84 Colitis, Histiocytic Ulcerative 554Jo Ann MorrisonChapter 85 Colonic Neoplasia, Benign 559Carrie A. WoodChapter 86 Colonic Neoplasia, Malignant 564Marlene L. HauckChapter 87 Fiber‐Responsive Large Bowel Diarrhea 568Michael S. LeibChapter 88 Megacolon 573Laura Van Vertloo and Albert E. JergensChapter 89 Perianal Fistula 581Eric R. PopeChapter 90 Perineal Hernia 588Fiona M. LittleChapter 91 Rectal Stricture 593Eric R. PopeChapter 92 Rectoanal Polyps 601Eric R. PopeChapter 93 Trichomoniasis 608Jeba Jesudoss Chelladurai and Matt T. BrewerSection VII Diseases of the PancreasChapter 94 Nutritional Approach to Exocrine Pancreas Disease 613Caitlin Grant, Sarah Dodd and Adronie VerbruggheChapter 95 Exocrine Pancreatic Insufficiency 621Jorg M. SteinerChapter 96 Pancreatic Abscess 628Panagiotis G. XenoulisChapter 97 Pancreatic Neoplasia 632Nick DervisisChapter 98 Pancreatic Nodular Hyperplasia 637Kate HolanChapter 99 Pancreatic Parasites 640Jessica C. PritchardChapter 100 Pancreatic Pseudocyst 645Panagiotis G. XenoulisChapter 101 Pancreatitis, Canine 649Jean-Sebastien Palerme and Albert E. JergensChapter 102 Pancreatitis, Feline 656Albert E. JergensSection VIII Clinical Signs of Hepatobiliary DiseaseChapter 103 Icterus 665Jean‐Sebastien PalermeChapter 104 Coagulopathy of Liver Disease 673Peter J. FernandesSection IX Diseases of the LiverChapter 105 Arteriovenous Malformation of the Liver 681Ashleigh SeigneurChapter 106 Cholangitis/Cholangiohepatitis Syndrome 687Jo Ann MorrisonChapter 107 Cholangitis, Destructive 697Jonathan A. LidburyChapter 108 Cirrhosis and Fibrosis of the Liver 702Jo Ann MorrisonChapter 109 Copper-Associated Hepatopathy 711Jo Ann MorrisonChapter 110 Ductal Plate Malformation 721Jo Ann MorrisonChapter 111 Glycogen Storage Disease 729Jessica C. Pritchard and Sharon A. CenterChapter 112 Glycogen‐Type Vacuolar Hepatopathy 734Ashleigh SeigneurChapter 113 Hepatic Amyloid 742Kate HolanChapter 114 Hepatic Encephalopathy 748Manolis K. Chatzis and Panagiotis G. XenoulisChapter 115 Hepatic Failure, Acute 755Yuri A. LawrenceChapter 116 Hepatic Lipidosis 763Panagiotis G. XenoulisChapter 117 Hepatic Neoplasia, Benign 771Nick DervisisChapter 118 Hepatic Neoplasia, Malignant 775Nick DervisisChapter 119 Hepatic Nodular Hyperplasia and Dysplastic Hyperplasia 781Sean P. McDonough and Sharon A. CenterChapter 120 Hepatitis, Chronic 786Sean P. McDonough and Sharon A. CenterChapter 121 Hepatitis, Granulomatous 796Jocelyn MottChapter 122 Hepatitis, Infectious (Viral) Canine 801Kate HolanChapter 123 Hepatitis, Lobular Dissecting 807Jonathan A. LidburyChapter 124 Hepatitis, Nonspecific, Reactive 813Jonathan A. LidburyChapter 125 Hepatitis, Suppurative and Hepatic Abscess 817Ashleigh SeigneurChapter 126 Hepatopathy, Hyperthyroidism – Feline 823Jonathan A. LidburyChapter 127 Hepatopathy, Infectious 828Yuri A. Lawrence and Randi GoldChapter 128 Hepatoportal Microvascular Dysplasia 836Sean P. McDonough and Sharon A. CenterChapter 129 Hepatotoxins 843Michael D. WillardChapter 130 Hypertension, Portal 850Jo Ann MorrisonChapter 131 Leptospirosis 858Mathios E. MylonakisChapter 132 Nutritional Approach to Hepatobiliary Diseases 866Sarah Dodd, Caitlin Grant and Adronie VerbruggheChapter 133 Portosystemic Shunting, Acquired 878Julie StegemanChapter 134 Portosystemic Vascular Anomaly, Congenital 885Kathleen L. Ham, James Howard, Amy N. Zide and Nina R. KievesSection X Diseases of the Biliary TractChapter 135 Bile Duct Obstruction (Extrahepatic) 901Jocelyn MottChapter 136 Biliary Duct or Gallbladder Rupture and Bile Peritonitis 910Rebecca A.L. WaltonChapter 137 Biliary Neoplasia 918Christine Mullin and Craig A. CliffordChapter 138 Cholecystitis and Choledochitis 925Yuri A. LawrenceChapter 139 Cholecystitis, Emphysematous 932Vivian K. YauChapter 140 Cholelithiasis 937Jocelyn MottChapter 141 Gallbladder Mucocele 943James Howard, Kathleen L. Ham, Amy N. Zide and Nina R. KievesIndex 953

THE EDITORS Jocelyn Mott, DVM, DACVIM (SAIM), is an internist and medical director of Pasadena Veterinary Specialists and Clinical Professor of Veterinary Medicine at Western University of Health Sciences in Pomona, California, USA. Jo Ann Morrison, DVM, MS, DACVIM (SAIM), is a Senior Manager of Veterinary Relations at Banfield Pet Hospital in Vancouver, Washington, USA.

Select Guide Rating

• Contributors xiiiAbout the Companion Website xixSection I Clinical Signs of Gastrointestinal DiseaseChapter 1 Acute Abdomen 3Steven L. MarksChapter 2 Constipation and Obstipation 10Albert E. JergensChapter 3 Diarrhea, Acute 15Erin PortilloChapter 4 Diarrhea, Chronic – Canine 20Jocelyn MottChapter 5 Diarrhea, Chronic – Feline 28Sina MarsilioChapter 6 Dyschezia and Tenesmus 45Alana RedfernChapter 7 Dysphagia 51Alana RedfernChapter 8 Flatulence 58Gavin OlsenChapter 9 Hematemesis 63Jocelyn MottChapter 10 Hematochezia 70Julie StegemanChapter 11 Melena 76Julie StegemanChapter 12 Nutritional Approach to Acute Vomiting and Diarrhea 84Caitlin Grant, Sarah Dodd and Adronie VerbruggheChapter 13 Ptyalism 88Valerie J. ParkerChapter 14 Rectal and Anal Prolapse 95Eric R. PopeChapter 15 Regurgitation 103Rhonda L. SchulmanChapter 16 Vomiting, Acute 110Erin PortilloChapter 17 Vomiting, Chronic 116John M. CrandellSection II Diseases of the Oral CavityChapter 18 Craniomandibular Osteopathy 127Nina R. Kieves, Amy N. Zide, Kathleen L. Ham and James HowardChapter 19 Feline Eosinophilic Dermatitis 134Alexander H. Werner Resnick and Karen Helton‐RhodesChapter 20 Oral Neoplasia, Benign 141Heidi B. Lobprise and Jason W. SoukupChapter 21 Oral Neoplasia, Malignant 147Heidi B. Lobprise and Jason W. SoukupChapter 22 Phenobarbital-Responsive Sialadenosis 155Vivian K. YauChapter 23 Sialadenitis 159Jo Ann MorrisonChapter 24 Salivary Mucocele 164Amy N. Zide, Nina R. Kieves, Kathleen L. Ham and James HowardChapter 25 Stomatitis 172Larry BakerChapter 26 Stomatitis, Caudal – Feline 179Jan BellowsSection III Diseases of the EsophagusChapter 27 Cricopharyngeal Achalasia 189Romy M. Heilmann and Stanley L. MarksChapter 28 Gastroesophageal Diverticula 195Albert E. JergensChapter 29 Esophageal Fistula 198Louisa Ho‐Eckart and Eric ZellnerChapter 30 Esophageal Foreign Bodies 205Albert E. JergensChapter 31 Esophageal Neoplasia 209Marlene L. HauckChapter 32 Esophageal Stricture 214Michael D. WillardChapter 33 Esophagitis 220Steve HillChapter 34 Hiatal Hernia 231Kathryn A. Pitt, Philipp D. Mayhew and Stanley L. MarksChapter 35 Megaesophagus 238Emilie ChaplowChapter 36 Nutritional Approach to Gastroesophageal Reflux Disease and Megaesophagus 247Caitlin Grant, Sarah Dodd and Adronie VerbruggheChapter 37 Spirocerca lupi 251Jocelyn MottSection IV Diseases of the StomachChapter 38 Gastric and Intestinal Motility Disorders 259Jo Ann MorrisonChapter 39 Gastric Dilation-Volvulus 266April BlongChapter 40 Gastric Neoplasia, Benign 273Jennifer A. MahoneyChapter 41 Gastric Neoplasia, Malignant 278Jennifer A. MahoneyChapter 42 Gastric Parasites 285Jeba Jesudoss Chelladurai and Matt T. BrewerChapter 43 Gastritis, Acute 289Romy M. HeilmannChapter 44 Gastritis, Atrophic 296Jessica M. ClemansChapter 45 Gastritis, Chronic 300Michelle PresselChapter 46 Gastroduodenal Ulceration/Erosion 306Michael D. WillardChapter 47 Gastroesophageal Reflux 313Albert E. JergensChapter 48 Helicobacter-Associated Gastritis 317Jan S. SuchodolskiChapter 49 Hypertrophic Pyloric Gastropathy, Chronic 324Steven L. MarksSection V Diseases of the IntestinesChapter 50 Bilious Vomiting Syndrome 331Romy M. Heilmann and David C. TwedtChapter 51 Canine Parvovirus Infection 337Willem J. Botha and Johan P. SchoemanChapter 52 Cobalamin Deficiency 345Jorg M. SteinerChapter 53 Cryptosporidiosis 350Jeba Jesudoss Chelladurai and Matt T. BrewerChapter 54 Diarrhea, Antibiotic Responsive 354Karin AllenspachChapter 55 Enteritis, Bacterial 360Krysta DeitzChapter 56 Enterocolitis, Granulomatous 370Sina MarsilioChapter 57 Feline Viral Enterides 378Jennifer E. SlovakChapter 58 Food Reactions (Gastrointestinal), Adverse 384Laura Van Vertloo and Albert E. JergensChapter 59 Fungal Enteritides 389Jean-Sebastien PalermeChapter 60 Gastroenteritis, Eosinophilic 396Michelle PresselChapter 61 Gastroenteritis, Hemorrhagic 402Michael CurtisChapter 62 Gastroenteritis, Lymphocytic‐Plasmacytic 409John M. CrandellChapter 63 Gastrointestinal Obstruction 418Jean-Sebastien Palerme and Albert E. JergensChapter 64 Gastrointestinal Lymphoma, Canine 425Steven E. SuterChapter 65 Gastrointestinal Lymphoma, Feline 431Jennifer A. MahoneyChapter 66 Giardiasis 438Jeba Jesudoss Chelladurai and Matt T. BrewerChapter 67 Gluten-Sensitive Enteropathy in Irish Setters 441Krysta DeitzChapter 68 Immunoproliferative Enteropathy of Basenjis 444Gavin OlsenChapter 69 Inflammatory Bowel Disease 449Albert E. JergensChapter 70 Intestinal Dysbiosis 454Jan S. Suchodolski and Jorg M. SteinerChapter 71 Intestinal Neoplasia, Benign 460Carrie A. WoodChapter 72 Intestinal Neoplasia, Malignant 464Carrie A. WoodChapter 73 Intussusception 470Louisa Ho‐Eckart and Eric ZellnerChapter 74 Irritable Bowel Syndrome 478Alana RedfernChapter 75 Lymphangiectasia 484Michael D. WillardChapter 76 Nutritional Approach to Chronic Enteropathies 490Sarah Dodd, Caitlin Grant and Adronie VerbruggheChapter 77 Parasites, Gastrointestinal 506Jeba Jesudoss Chelladurai and Matt T. BrewerChapter 78 Protein‐Losing Enteropathy 513Jorg M. SteinerChapter 79 Salmon Poisoning Disease 521Jennifer E. SlovakChapter 80 Short Bowel Syndrome 526Krysta DeitzSection VI Diseases of the ColonChapter 81 Atresia Ani 533Eric Zellner and Louisa Ho‐EckartChapter 82 Clostridial Enterotoxicosis 539Jennifer E. SlovakChapter 83 Colitis and Proctitis 546Jo Ann MorrisonChapter 84 Colitis, Histiocytic Ulcerative 554Jo Ann MorrisonChapter 85 Colonic Neoplasia, Benign 559Carrie A. WoodChapter 86 Colonic Neoplasia, Malignant 564Marlene L. HauckChapter 87 Fiber‐Responsive Large Bowel Diarrhea 568Michael S. LeibChapter 88 Megacolon 573Laura Van Vertloo and Albert E. JergensChapter 89 Perianal Fistula 581Eric R. PopeChapter 90 Perineal Hernia 588Fiona M. LittleChapter 91 Rectal Stricture 593Eric R. PopeChapter 92 Rectoanal Polyps 601Eric R. PopeChapter 93 Trichomoniasis 608Jeba Jesudoss Chelladurai and Matt T. BrewerSection VII Diseases of the PancreasChapter 94 Nutritional Approach to Exocrine Pancreas Disease 613Caitlin Grant, Sarah Dodd and Adronie VerbruggheChapter 95 Exocrine Pancreatic Insufficiency 621Jorg M. SteinerChapter 96 Pancreatic Abscess 628Panagiotis G. XenoulisChapter 97 Pancreatic Neoplasia 632Nick DervisisChapter 98 Pancreatic Nodular Hyperplasia 637Kate HolanChapter 99 Pancreatic Parasites 640Jessica C. PritchardChapter 100 Pancreatic Pseudocyst 645Panagiotis G. XenoulisChapter 101 Pancreatitis, Canine 649Jean-Sebastien Palerme and Albert E. JergensChapter 102 Pancreatitis, Feline 656Albert E. JergensSection VIII Clinical Signs of Hepatobiliary DiseaseChapter 103 Icterus 665Jean‐Sebastien PalermeChapter 104 Coagulopathy of Liver Disease 673Peter J. FernandesSection IX Diseases of the LiverChapter 105 Arteriovenous Malformation of the Liver 681Ashleigh SeigneurChapter 106 Cholangitis/Cholangiohepatitis Syndrome 687Jo Ann MorrisonChapter 107 Cholangitis, Destructive 697Jonathan A. LidburyChapter 108 Cirrhosis and Fibrosis of the Liver 702Jo Ann MorrisonChapter 109 Copper-Associated Hepatopathy 711Jo Ann MorrisonChapter 110 Ductal Plate Malformation 721Jo Ann MorrisonChapter 111 Glycogen Storage Disease 729Jessica C. Pritchard and Sharon A. CenterChapter 112 Glycogen‐Type Vacuolar Hepatopathy 734Ashleigh SeigneurChapter 113 Hepatic Amyloid 742Kate HolanChapter 114 Hepatic Encephalopathy 748Manolis K. Chatzis and Panagiotis G. XenoulisChapter 115 Hepatic Failure, Acute 755Yuri A. LawrenceChapter 116 Hepatic Lipidosis 763Panagiotis G. XenoulisChapter 117 Hepatic Neoplasia, Benign 771Nick DervisisChapter 118 Hepatic Neoplasia, Malignant 775Nick DervisisChapter 119 Hepatic Nodular Hyperplasia and Dysplastic Hyperplasia 781Sean P. McDonough and Sharon A. CenterChapter 120 Hepatitis, Chronic 786Sean P. McDonough and Sharon A. CenterChapter 121 Hepatitis, Granulomatous 796Jocelyn MottChapter 122 Hepatitis, Infectious (Viral) Canine 801Kate HolanChapter 123 Hepatitis, Lobular Dissecting 807Jonathan A. LidburyChapter 124 Hepatitis, Nonspecific, Reactive 813Jonathan A. LidburyChapter 125 Hepatitis, Suppurative and Hepatic Abscess 817Ashleigh SeigneurChapter 126 Hepatopathy, Hyperthyroidism – Feline 823Jonathan A. LidburyChapter 127 Hepatopathy, Infectious 828Yuri A. Lawrence and Randi GoldChapter 128 Hepatoportal Microvascular Dysplasia 836Sean P. McDonough and Sharon A. CenterChapter 129 Hepatotoxins 843Michael D. WillardChapter 130 Hypertension, Portal 850Jo Ann MorrisonChapter 131 Leptospirosis 858Mathios E. MylonakisChapter 132 Nutritional Approach to Hepatobiliary Diseases 866Sarah Dodd, Caitlin Grant and Adronie VerbruggheChapter 133 Portosystemic Shunting, Acquired 878Julie StegemanChapter 134 Portosystemic Vascular Anomaly, Congenital 885Kathleen L. Ham, James Howard, Amy N. Zide and Nina R. KievesSection X Diseases of the Biliary TractChapter 135 Bile Duct Obstruction (Extrahepatic) 901Jocelyn MottChapter 136 Biliary Duct or Gallbladder Rupture and Bile Peritonitis 910Rebecca A.L. WaltonChapter 137 Biliary Neoplasia 918Christine Mullin and Craig A. CliffordChapter 138 Cholecystitis and Choledochitis 925Yuri A. LawrenceChapter 139 Cholecystitis, Emphysematous 932Vivian K. YauChapter 140 Cholelithiasis 937Jocelyn MottChapter 141 Gallbladder Mucocele 943James Howard, Kathleen L. Ham, Amy N. Zide and Nina R. KievesIndex 953