Use of partial prostatectomy for treatment of prostatic abscesses and cysts in dogs

Clarence A. Rawlings From the Departments of Small Animal Medicine (Rawlings, Barsanti, Quandt, Oliver, Downs, Stampley, Allen), Physiology and Pharmacology (Rawlings, Barsanti, Oliver), Anatomy and Radiology (Mahaffey), and Pathology (Crowell), College of Veterinary Medicine, University of Georgia, Athens, GA 30602-7390.

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Mary B. Mahaffey From the Departments of Small Animal Medicine (Rawlings, Barsanti, Quandt, Oliver, Downs, Stampley, Allen), Physiology and Pharmacology (Rawlings, Barsanti, Oliver), Anatomy and Radiology (Mahaffey), and Pathology (Crowell), College of Veterinary Medicine, University of Georgia, Athens, GA 30602-7390.

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Jeanne A. Barsanti From the Departments of Small Animal Medicine (Rawlings, Barsanti, Quandt, Oliver, Downs, Stampley, Allen), Physiology and Pharmacology (Rawlings, Barsanti, Oliver), Anatomy and Radiology (Mahaffey), and Pathology (Crowell), College of Veterinary Medicine, University of Georgia, Athens, GA 30602-7390.

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Jane E. Quandt From the Departments of Small Animal Medicine (Rawlings, Barsanti, Quandt, Oliver, Downs, Stampley, Allen), Physiology and Pharmacology (Rawlings, Barsanti, Oliver), Anatomy and Radiology (Mahaffey), and Pathology (Crowell), College of Veterinary Medicine, University of Georgia, Athens, GA 30602-7390.

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John E. Oliver Jr. From the Departments of Small Animal Medicine (Rawlings, Barsanti, Quandt, Oliver, Downs, Stampley, Allen), Physiology and Pharmacology (Rawlings, Barsanti, Oliver), Anatomy and Radiology (Mahaffey), and Pathology (Crowell), College of Veterinary Medicine, University of Georgia, Athens, GA 30602-7390.

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Wayne A. Crowell From the Departments of Small Animal Medicine (Rawlings, Barsanti, Quandt, Oliver, Downs, Stampley, Allen), Physiology and Pharmacology (Rawlings, Barsanti, Oliver), Anatomy and Radiology (Mahaffey), and Pathology (Crowell), College of Veterinary Medicine, University of Georgia, Athens, GA 30602-7390.

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Myron O. Downs From the Departments of Small Animal Medicine (Rawlings, Barsanti, Quandt, Oliver, Downs, Stampley, Allen), Physiology and Pharmacology (Rawlings, Barsanti, Oliver), Anatomy and Radiology (Mahaffey), and Pathology (Crowell), College of Veterinary Medicine, University of Georgia, Athens, GA 30602-7390.

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Anita R. Stampley From the Departments of Small Animal Medicine (Rawlings, Barsanti, Quandt, Oliver, Downs, Stampley, Allen), Physiology and Pharmacology (Rawlings, Barsanti, Oliver), Anatomy and Radiology (Mahaffey), and Pathology (Crowell), College of Veterinary Medicine, University of Georgia, Athens, GA 30602-7390.

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Sheila W. Allen From the Departments of Small Animal Medicine (Rawlings, Barsanti, Quandt, Oliver, Downs, Stampley, Allen), Physiology and Pharmacology (Rawlings, Barsanti, Oliver), Anatomy and Radiology (Mahaffey), and Pathology (Crowell), College of Veterinary Medicine, University of Georgia, Athens, GA 30602-7390.

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Objective

To determine whether dogs had prostatic disease, urinary incontinence, or urinary tract infection 1 year after partial prostatectomy to treat prostatic abscesses and cysts.

Design

Prospective study.

Animals

20 male dogs with prostatic abscesses or cysts. Fifteen dogs had evidence of urinary tract infection. Only 8 dogs urinated normally; the remainder dribbled, had obstructions, or required medical treatment.

Procedure

Partial prostatectomy was performed on each dog. Sexually Intact dogs (n = 12) also were castrated.

Results

None of the dogs had return of prostatic cystic enlargement or clinical signs of prostatic disease during the first year after surgery. Two dogs were euthanatized within 1 year after surgery, with 1 dog having prostatic enlargement and adenocarcinoma and 1 dog having unrelated lymphosarcoma. Fifteen dogs were continent. The remaining 5 dogs urinated normally but had intermittent and minor incontinence. Eleven dogs had no signs of infection 1 year after surgery, 5 had pyuria or positive urine bacteriologic culture results, 2 did not have urinalysis performed, and 2 were euthanatized.

Clinical Implications

Dogs with severe prostatic abscesses or cysts and infections can be successfully treated by partial prostatectomy with an ultrasonic surgical aspirator and castration, resulting in long-term disease resolution. Although most dogs with severe prostatic disease do not urinate normally before surgery, nearly all dogs resume normal micturition after partial prostatectomy. Postoperative results of partial prostatectomy appear to be better than those of previous drainage techniques for treatment of prostatic cavitary disease. (J Am Vet Med Assoc 1997;211:868–871)

Objective

To determine whether dogs had prostatic disease, urinary incontinence, or urinary tract infection 1 year after partial prostatectomy to treat prostatic abscesses and cysts.

Design

Prospective study.

Animals

20 male dogs with prostatic abscesses or cysts. Fifteen dogs had evidence of urinary tract infection. Only 8 dogs urinated normally; the remainder dribbled, had obstructions, or required medical treatment.

Procedure

Partial prostatectomy was performed on each dog. Sexually Intact dogs (n = 12) also were castrated.

Results

None of the dogs had return of prostatic cystic enlargement or clinical signs of prostatic disease during the first year after surgery. Two dogs were euthanatized within 1 year after surgery, with 1 dog having prostatic enlargement and adenocarcinoma and 1 dog having unrelated lymphosarcoma. Fifteen dogs were continent. The remaining 5 dogs urinated normally but had intermittent and minor incontinence. Eleven dogs had no signs of infection 1 year after surgery, 5 had pyuria or positive urine bacteriologic culture results, 2 did not have urinalysis performed, and 2 were euthanatized.

Clinical Implications

Dogs with severe prostatic abscesses or cysts and infections can be successfully treated by partial prostatectomy with an ultrasonic surgical aspirator and castration, resulting in long-term disease resolution. Although most dogs with severe prostatic disease do not urinate normally before surgery, nearly all dogs resume normal micturition after partial prostatectomy. Postoperative results of partial prostatectomy appear to be better than those of previous drainage techniques for treatment of prostatic cavitary disease. (J Am Vet Med Assoc 1997;211:868–871)

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