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Anal Sac Cancer Treatment Hobart IN

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.

Sibley Animal Hospital
(708) 872-7910
1020 Sibley Blvd
Calumet City, IL
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Monday 8:00 AM - 12:00 PM
Tuesday 8:00 AM - 12:00 PM
Wednesday 8:00 AM - 2:00 PM
Thursday 8:00 AM - 12:00 PM
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Saturday 8:00 AM - 1:00 PM
Sunday Closed
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Juhlin, Kim, Dvm - Vale Park Animal Hospital
(219) 462-5785
2606 Valley Dr
Valparaiso, IN

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Cooley Animal Clinic
(219) 924-3877
3021 45th St
Highland, IN

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Deer Run Animal Hospital Inc
(219) 864-7180
308 E Us Highway 30
Schererville, IN

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Animal Medical Center of Hebron
(219) 996-8387
638 North Main Street
Hebron, IN
 
Masepohl, H L, Dvm - Hobart Animal Clnc-Lxry Brdng
(219) 942-4442
2650 E State Road 130
Hobart, IN

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Equine Therapy of Northwest Indiana
(877) 279-2375
427 N 475
Valparaiso, IN
 
Morthland Animal Clinic
(219) 462-5599
2360 Morthland Dr
Valparaiso, IN

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Calumet Emergency Vet Clinic
(219) 865-0970
216 W Us Highway 30
Schererville, IN

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Munster Animal Hospital
(219) 513-0699
9480 Calumet Ave
Munster, IN

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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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