Changes

==Perianal Adenoma==

==Perianal Adenoma==

[[Image:normal perianal gland.jpg|thumb|right|200px|Perianal gland - normal (Courtesy of Bristol BioMed Image Archive)]]

[[Image:normal perianal gland.jpg|thumb|right|200px|Perianal gland - normal (Courtesy of Bristol BioMed Image Archive)]]

[[Image:perianal gland adenoma histopath.jpg|thumb|200px|Perianal gland- adenoma (Courtesy of Bristol BioMed Image Archive)]]

[[Image:perianal gland adenoma histopath.jpg|thumb|200px|Perianal gland - adenoma (Courtesy of Bristol BioMed Image Archive)]]

[[Image:perianal gland adenoma.jpg|thumb|right|200px|Perianal adenoma- gross appearance (Courtesy of Bristol BioMed Image Archive)]]

[[Image:perianal gland adenoma.jpg|thumb|right|200px|Perianal adenoma - gross appearance (Courtesy of Bristol BioMed Image Archive)]]

These tumours, also called hepatoid gland tumours, arise from the solid, '''modified sebaceous circumanal glands'''. They are the third most common tumour in '''intact male dogs''', and arise more frequently in '''older dogs'''.

These tumours, also called hepatoid gland tumours, arise from the solid, '''modified sebaceous circumanal glands'''. They are the third most common tumour in '''intact male dogs''', and arise more frequently in '''older dogs'''.