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Anal Sac Cancer Treatment Salisbury NC

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.

Salisbury Animal Hospital, PA
(704) 637-0227
1500 E. Innes St.
Salisbury, NC
 
Large Animal Medicine & Surg
(704) 637-0546
3220 Sherrills Ford Rd
Salisbury, NC

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China Grove Animal Hospital
(704) 857-1017
2001 US Hwy 29 South
Salisbury, NC
 
Ashenbrenner, Richard A, Dvm - Cabarrus Animal Hospital
(704) 786-6102
3030 S Cannon Blvd
Kannapolis, NC

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Animal Hospital Of Kannapolis*
(704) 938-4606
401 Brookdale St
Kannapolis, NC

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Gardner, Andy, Dvm - Large Animal Medicine & Surg
(704) 637-0546
3220 Sherrills Ford Rd
Salisbury, NC

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Small Animal Medicine & Surgery, PA
(704) 636-6613
3200 Sherrills Ford Road
Salisbury, NC
 
China Grove Animal Hospital
(704) 857-1017
2001 Highway 29 S
China Grove, NC

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Cabarrus Emergency Veterinary
(704) 932-1182
1317 S Cannon Blvd
Kannapolis, NC

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Lexington Large Animal Med
(336) 787-4901
376 El Myers Rd
Lexington, NC

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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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