YR3 8 EPP HO1 Flashcards
Pancreatic Nodular Hyperplasia; lesion, species
Numerous, whitish nodules. Common incidental lesion in old cats and dogs
Pancreatic Hypoplasia; define, species, conseq.
A very small amount of pancreatic tissue is visible in the mesentery. Inherited in German shepherds
Pancreatic Hypoplasia; conseq.
Steatorrhoea and weight loss at 1-2 years of age
Pancreatic Atrophy; lesion
Small pancreatic tissue - hard (fibrotic) due to healed necrotic lesions w/ coalescing hyperplastic nodules
Pancreatic Atrophy; conseq.
Diabetes mellitus is a frequent complication
Pancreatic Atrophy; cause
Malnutrition, starvation and chronic gastroenteritis
Acute Pancreatic Necrosis
Surrounding fat also has white necrotic foci
Necrotising Pancreatitis; pathogenesis
In acute disease, necrosis is often extensive - usually obese bitches with severe abdominal pain and shock. Self-digestion by enzymes occurs. In survivors, lesion smoulders eventually leading to exocrine atrophy, fibrosis and diabetes mellitus.
Chronic Pancreatitis
The pancreas is much smaller and harder (fibrotic) than normal, and has hyperplastic nodules.
Chronic Pancreatitis; sequelae
Fatty liver > diabetes mellitus
Exocrine Pancreatic Neoplasms
Pancreatic carcinoma > Transcoelomic spread in mesentery, metastases in liver, pulmonary metastases
Miscellaneous Pancreatic Lesions
1)Pancreatitis due to toxoplasmosis in cats 2)Strongylus equinusinterstitial pancreatitis in horses 3)Chronic eosinophilic pancreatitis in horses 4)Iatrogenic Zinc toxicity - prophylaxis for facial eczema -> necrosis and fibrosis
Pathology of the Peritoneum
1)Diaphragmatic hernia 2)Ascites & chylous ascites (rupture of cisterna chyli) 3)Haemoperitoneum 4)Abdominal fat necrosis 6)Peritonitis 7)Parasites 8)Neoplasms
Pathology of the Peritoneum - Abdominal fat necrosis
1)Pancreatic necrosis in dogs and cats 2)Focal necrosis 3)Massive fat necrosis of cattle 4)Steatitis (yellow-fat disease) - diets high in polyunsaturated fat and low in Vitamin E
Haemoperitoneum
Blood in the peritoneal cavity