Category - Anal
Anal sac adenocarcinoma is an uncommon condition affecting older dogs that can cause tumors to grow on the anal sacs. These tumors are malignant and usually spread to other areas of the body, including the lymph nodes. Anal gland adenocarcinoma (aga) (also known as apocrine gland anal sac carcinoma adenocarcinoma or anal sac adenocarcinoma) is an uncommon cancer that arises from the apocrine glands in the walls of the anal sacs. Author information (1)section of pathology, department of biomedical sciences, tufts university cummings school of veterinary medicine, 200 westboro road, north grafton, ma 01536, usa. Ruthanne chun, in cancer management in small animal practice, 2010. Hypercalcemia of malignancy is most commonly caused by production of parathyroid hormone-related peptide (pth-rp) by tumor cells. Anal sac cancer causes local problems, mainly because of pain and straining to defecate. Anal sac apocrine gland adenocarcinoma also leads to systemic issues, including hypercalcemia and metastasis. Affected patients are older female dogs in 90 percent of the cases. Excision of a right anal sac carcinoma, intraoperative views a (left) marginal dissection of the caudal aspect of the tumour b dissection is carried out cranially along the lateral aspect of the tumour until it can be rotated caudally, exposing the rectal wall (arrow), from which it is progressively detached by a combination of blunt and sharp dissection. Anal sac adenocarcinoma, (also known as anal sac gland carcinoma and apocrine gland carcinoma of the anal sacs) is a malignant tumour of the anal sacs of the dog. Download pdf this is described as an uncommon tumour but we do seem to see a significant number of patients with this disease, no doubt partly due to this being a special interest in our clinic.