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==Introduction==  

==Description==  

Gastric [[Neoplasia - Pathology|neoplasia]] is uncommon and represents less than 1% of neoplasia in small animals. Aetiology is largely idiopathic though long term ingestion of dietary carcinogens may have some responsibility. In humans, ''[[Helicobacter]] pylori'' can induce gastric carcinomas and lymphomas. Its role in gastric tumours in dogs and cats has not yet been fully established though it is known to cause [[Gastritis, Acute|gastritis]] and [[Gastric Ulceration - all species|ulceration]]. Belgian Shepherd dogs may have a genetic predisposition to gastric carcinomas. Cats with gastric lymphomas are usually [[Feline Leukemia Virus|FeLV]] positive.

Gastric [[Neoplasia - Pathology|neoplasia]] is uncommon and represents less than 1% of neoplasia in small animals. Aetiology is largely idiopathic though long term ingestion of dietary carcinogens may have some responsibility. In humans, ''[[Helicobacter]] pylori'' can induce gastric carcinomas and lymphomas. Its role in gastric tumours in dogs and cats has not yet been fully established though it is known to cause [[Gastritis, Acute|gastritis]] and [[Gastric Ulceration - all species|ulceration]]. Belgian Shepherd dogs may have a genetic predisposition to gastric carcinomas. Cats with gastric lymphomas are usually [[Feline Leukemia Virus|FeLV]] positive.

===Haematology and biochemistry===

===Haematology and biochemistry===

A Regenerative anaemia may be present due to gastric haemorrhage. [[Electrolytes|Electrolyte]] disturabnces will be evident following vomiting and also elevated [[Urea|BUN]] and creatinine levels due to [[Dehydration - Pathology|dehydration]].

A Regenerative anaemia may be present due to gastric haemorrhage. [[:Category:Electrolytes|Electrolyte]] disturbances will be evident following vomiting and also elevated [[Urea|BUN]] and [[Creatinine|creatinine]] levels due to [[Dehydration|dehydration]].

If hepatic metastasis has occurred or if there is [[Bile dict - Obstruction|obstruction to the common bile duct]] hepatic enzymes will also be increased.

If hepatic metastasis has occurred or if there is [[Biliary Tract Obstruction|obstruction to the common bile duct]] hepatic enzymes will also be increased.

====Paraneoplastic Syndromes====

====Paraneoplastic Syndromes====

Most malignant tumours are associated with recurrent or metastatic cancer. Prognosis therefore usually poor despite surgical resection. Survival time up to six months.

Most malignant tumours are associated with recurrent or metastatic cancer. Prognosis therefore usually poor despite surgical resection. Survival time up to six months.

Extramedullary plasmacytomas can have a very good prognosis following surgery and chemotherapy.

Extramedullary plasmacytomas can have a very good prognosis following surgery and chemotherapy.

==References==

==References==

[[Category:Stomach_and_Abomasum_-_Proliferative_Pathology]][[Category:To_Do_-_Caz]]

 

 

[[Category:Stomach_and_Abomasum_-_Proliferative_Pathology]]

[[Category:Neoplasia]]

[[Category:Neoplasia]]

[[Category:Dog]][[Category:Cat]]

[[Category:Gastric Diseases - Dog]][[Category:Gastric Diseases - Cat]]

[[Category:Expert_Review]]

[[Category:Expert_Review - Small Animal]]