Anal Gland Adenocarcinoma
Anal glands, or sacs, are small pouches located on either side of the anus
in dogs. While cancer of the anal glands is generally uncommon, it can spread
(metastasize) very quickly. Anal gland adenocarcinoma is most commonly seen
in dogs over 10 years of age.
Anal Gland Adenocarcinoma Symptoms
The most obvious sign of an anal gland adenocarcinoma is a lump in the anal
area. Other symptoms include:
- Constipation
- Pain during defecation
- Blood in stools
- Straining to defecate
Anal gland adenocarcinoma can cause an unhealthy increase in blood calcium
levels and cause kidney failure. Symptoms include:
- Lethargy (weak or tired)
- Loss of appetite
- Increased water consumption
- Increased urination
- Vomiting
Anal Gland Adenocarcinoma Treatment
Because these aggressive tumors may be hard to spot, a routine rectal examination
is recommended in all dogs. If anal gland adenocarcinoma is suspected, your
veterinarian may conduct a biopsy, ultrasound, or blood or urine tests. Surgical
removal of the malignant tumor is required; the prognosis depends on how far
the cancer has spread, the level of blood calcium, as well as how much of the
tumor your vet has been able to remove.
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