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Anal Sac Cancer Treatment Missoula MT

It is important to keep an open mind. Differential diagnosis for perianal disease includes anal sac impaction, abscess (which may rupture), sacculitis, perianal adenomas, perineal hernias, perineal fistulas and other malignancies, such as perianal malignant melanoma. Any of these conditions affect the quality of life of the patient.

Card, Shoni L, Dvm - Pruyn Veterinary Hospital
(406) 829-8150
2501 S Russell St
Missoula, MT

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Ancare Veterinary Clinic
(406) 728-0408
1440 S Russell St
Missoula, MT

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Missoula Veterinary Specialty
(406) 541-9805
1914 S Reserve St
Missoula, MT

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Missoula Veterinary Clinic
(406) 251-2400
3701 Old Us Highway 93
Missoula, MT

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Billings Animal Family Hospital
(406) 545-7311
1321 N 27th Street
Billings, MT
Hours
Monday 7:00 AM - 5:30 PM
Tuesday 7:00 AM - 7:00 PM
Wednesday 7:00 AM - 5:30 PM
Thursday 7:00 AM - 5:30 PM
Friday 7:00 AM - 5:30 PM
Saturday 7:30 AM - 1:00 PM
Sunday Closed
Services
Animal Boarding, Animal Daycare, Animal Flea Control, Animal Microchipping, Declawing, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary Medical Specialties, Veterinary Surgery

Weber, Margaret, Dvm - Ancare Veterinary Clinic
(406) 728-0408
1440 S Russell St
Missoula, MT

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Emergency Animal Clinic
(406) 829-9300
1914 S Reserve St
Missoula, MT

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Four Paws Acupuncture Clinic
(406) 542-3838
2625 Connery Way
Missoula, MT

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Bluemountain Veterinary Hosp
(406) 251-4150
4646 Buckhouse Ln
Missoula, MT

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Animal Center Veterinary Hospital
(406) 430-1090
1301 Cedar St
Helena, MT
Hours
Monday 7:30 AM - 6:00 PM
Tuesday 7:30 AM - 8:00 PM
Wednesday 7:30 AM - 8:00 PM
Thursday 7:30 AM - 8:00 PM
Friday 7:30 AM - 6:00 PM
Saturday 8:00 AM - 4:00 PM
Sunday Closed
Services
Animal Flea Control, Animal Microchipping, Bird Vet, Declawing, Emergency Veterinary Clinic, Reptile Vet, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Docking, Veterinary Euthanasia, Veterinary House Calls, Veterinary Medical Specialties, Veterinary Surgery, Veterinary Vaccinations

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Step-by-Step Surgery for Anal Sac Cancer

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. A few cases have been described in cats.

It is important to keep an open mind. Differential diagnosis for perianal disease includes anal sac impaction, abscess (which may rupture), sacculitis, perianal adenomas, perineal hernias, perineal fistulas and other malignancies, such as perianal malignant melanoma. Any of these conditions affect the quality of life of the patient.

anal sac adenocarcinoma
A preoperative view of a left anal sac adenocarcinoma in a 9-year-old male Akita mix. Photo courtesy of Dr. Phil Zeltzman.
An anal sac tumor is suspected on rectal exam. If it is large enough, subcutaneous swelling may be visible. Occasionally, the tumor is bilateral. A diagnosis can sometimes be reached with cytology if enough cells exfoliate. Histopathology gives a definitive diagnosis. Incisional biopsies are rarely used, whereas excisional biopsy is typically the preferred course of action.

Standard preoperative workup includes a CBC and blood chemistry, including a calcium level. Approximately 25 percent of patients are affected by paraneoplastic hypercalcemia (See our bonus content on differential diagnosis of hypercalcemia). Abdominal radiographs or ultrasound are helpful to diagnose metastasis to the sublum...

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