Perianal adenomas refer to the development of small, non-cancerous tumors in the area around the anus. It is a medical term used to describe the growth of abnormal cells in that specific region. Full definition
Apocrine (sebaceous) gland tumors (also called perianal adenomas) are common in male dogs because they are stimulated, in part, by testosterone. (1800petmeds.com)
Older, intact males are more likely to develop perianal adenomas (benign tumors) which resolve with castration. (fcrsa.org)
Because perianal adenomas are stimulated by the hormone testosterone, most veterinarians will recommend neutering the dog. (lowchensaustralia.com)