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Anal Sac Cancer Treatment Elizabethton TN

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.

Veterinary Medical Center
(423) 302-0998
205 Princeton Rd
Johnson City, TN
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Tuesday 7:30 AM - 6:00 PM
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Good News Spay & Neuter Clinic
(423) 926-4853
1355 Milligan Hwy
Johnson City, TN

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(423) 542-6091
1264 Milligan Hwy
Johnson City, TN

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(423) 512-1562
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Johnson City, TN
 
Cherokee Hospital for Animals
(888) 896-6577
708 Cherokee Rd
Johnson City, TN

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Cherokee Hospital for Animals
(423) 218-1968
708 Cherokee Rd.
Johnson City, TN
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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 - 12:00 PM
Sunday Closed
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Veterinary Medical Center
(888) 829-3326
205 Princeton Rd
Johnson City, TN

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Hinkle, Tonya, Dvm - Pinecrest Veterinary Clinic
(423) 926-6091
1264 Milligan Hwy
Johnson City, TN

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Dell, Lauren E, Dvm - Young's Animal Hospital
(423) 926-3878
1802 W Market St
Johnson City, TN

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Airport Pet Emergency Clinic
(423) 279-0574
2436 Highway 75
Blountville, TN

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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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