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Lallo, M.A.; Niishiya A.T.; Leite, D.C.A.; Sobral, R.A.; Bondan, E.F.

Among perianal neoplasias, adenomas of perianal glands and of the anal sacs are very common in male dogs, although rarely found in females. Adenocarcinomas of apocrine glands in the anal sac are even more uncommon in females, affecting specially bitches older than 9 years. Fifty to ninety per cent of these carcinomas promote the secretion of a PTH-like peptide, causing a paraneoplastic syndrome (pseudohyperparathyroidism). Metastases frequently occurred by lymphatic route, definitely reaching lungs, spleen, liver and bones. The adenocarcinomas of this type have bad prognosis, with mean patient survival time of 12 to 15 months and local recurrence of 50%. This report describes a case of adenocarcinoma of apocrine glands from the anal sac in a Cocker Spaniel bitch of 9 years old, brought to the Veterinary Hospital of the Methodist University of S�o Paulo due to the presence of a perianal bulk and symptoms such as polyuria and polydipsia. By clinical examination, it was observed a tumor mass of approximately 10 cm of diameter in the left size of the perianal region, showing firm consistence, regular surface, local adherence and discreet sensibility. There were no apparent metastases in abdominal organs as seen by radiography and ultrasonography. Severe hypercalcaemia (18.3 mEq/l) was found. The animal was submitted to tumor surgical excision and the removed mass presented a yellowish irregular lobulated aspect with firm consistence. Histopathological investigation confirmed the finding of an adenocarcinoma of apocrine glands from the anal sac with grade III of malignancy. The owner did not agree with the use of chemotherapy. One year after the surgical procedure, the animal was still in good health, with no evidence of local recurrence or metastasis.

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Alternative Medicine
Animal Welfare
Clinical Pathology
Dental Congress 1:1
Dental Congress 1:2
Dental Congress 1:3
Dental Congress 2:1
Dental Congress 2:2
Dental Congress 2:3
Emergency & Critical Care
Feline Endocrine & Infectious Dz
Feline Gastroenterology
Feline Urology/Nephrology
Infectious & Zoonotic Diseases
Respiratory Medicine
Surgery & Sports Medicine
Oral Presentations
Morbidity Factors Of Anxiety Disorders
PTT Excision Of Ear Canal Polyps
Rabies Antibody Tests: IHA vs Elisa
Hip Luxation: Surgical Repair
Surgical Repair Of Mitral Regurg.
Dental Pulp/Dentin Deposition
Ehrlichiosis Study, Azarbaijans
B. Thuring. Effects On Trichostrongylus
Growth Plate Closure Times, Kangal
Revolution, Dog/Cat Flea Control
Electrical Stim. For Nerve Injuries
BAPN-F For Gastroc. Tendon Healing
Patch Test, Dogs; Human Allergy Stats.
Abd. Adhesion Prevention, Omenectomy
Leptospirosis Study, Tehran
Ehrlichiosis, Protein Alterations
Xenograft For Femural Fx. Repair
Omentum For Tendon Healing
Pet Behavior During Bombing
Evaluation Of Silk Suture
Canine Testis Gene Expression
Radiologic Signs, Spirocerca
Feline Interferon In FeLV/FIV Cats
HbA1c In Diabetic Dogs
Bovine Xenograft For Tibial Repair
Tibial Segmental Defect, Treatment
Bovine Bone Pin For Fracture Repair
Rabies Immunity, Tehran, Dogs
Oral Antibiotics, Owner Compliance
Excision Arthroplasty, Dogs/Cats
Ovine Xenograft For Radial Fractures
Endochondral Ossification
Intertrochanteric Osteotomy Fixation
Immunoglobuline, Atopic Dermatitis
Subclinical Dermatophytosis
Probiotic Strains
Efficacy of Revolution (selamectin)
Bordetella Bronchiseptica
Bone Cement and Graft
Femoral Head
Bacterial Infections, Urinary
Mammary Neoplasias
Bilateral Anterior Hemimelia
You are hereAdenocarcinoma, Apocrine Glands
Bone Marrow Toxicity
Carmustine, Lymphoma
Desflurane Anesthesia
Nutrition, Hyperlipidaemia
Perianal Fistula
L-Carnitine Supplementation
Poster Presentations