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Anal Sac Cancer Treatment Portland ME

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.

Brackett Street Veterinary Clinic
(207) 370-1992
192 Brackett Street
Portland, ME
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New Patients Welcome!
Hours
Monday 7:30 AM - 6:00 PM
Tuesday 7:30 AM - 6:00 PM
Wednesday 7:30 AM - 6:00 PM
Thursday 7:30 AM - 6:00 PM
Friday 7:30 AM - 6:00 PM
Saturday 8:00 AM - 1:00 PM
Sunday Closed
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Animal Flea Control, Animal Microchipping, Large Animal Vet, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary House Calls, Veterinary Medical Specialties, Veterinary Surgery

Cumberland Animal Clinic
(207) 615-0683
212 Greely Road
Cumberland, ME
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$10 off for a new patient visit! Show this coupon for $10 off your first new pet visit at the Cumberland Animal Clinic!
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Monday 8:00 AM - 6:00 PM
Tuesday 8:00 AM - 6:00 PM
Wednesday 8:00 AM - 6:00 PM
Thursday 8:00 AM - 6:00 PM
Friday 8:00 AM - 6:00 PM
Saturday 8:00 AM - 12:00 PM
Sunday Closed
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Animal Flea Control, Animal Microchipping, Declawing, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Surgery

Casco Bay Veterinary Hospital
(207) 761-8033
1041 Brighton Ave
Portland, ME

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Robbins, Jeff, Dvm - Casco Bay Veterinary Hospital
(207) 761-8033
1041 Brighton Ave # 12
Portland, ME

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Ruksznis, Amy L, Dvm - North Deering Veterinary Hosp
(207) 797-4855
456 Auburn St
Portland, ME

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Forest Avenue Veterinary Hospital
(207) 370-4938
973 Forest Ave
Portland, ME
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Get a free nail trim with your first exam!
Hours
Monday 7:30 AM - 6:00 PM
Tuesday 7:30 AM - 6:00 PM
Wednesday 7:30 AM - 6:00 PM
Thursday 7:30 AM - 6:00 PM
Friday 7:30 AM - 6:00 PM
Saturday 8:00 AM - 4:00 PM
Sunday Closed
Services
Animal Boarding, Animal Flea Control, Animal Microchipping, Exotic Animal Vet, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary House Calls, Veterinary Surgery, Veterinary Vaccinations

Portland Veterinary Specialist
(207) 780-0271
2255 Congress St
Portland, ME

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Wright, Robert E, Dvm - Cat Doctor
(207) 874-2287
183 Brighton Ave
Portland, ME

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Forest Avenue Veterinary Hosp
(207) 797-4840
973 Forest Ave
Portland, ME

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North Deering Veterinary Hosp
(207) 797-4855
456 Auburn St
Portland, ME

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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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