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Ectopy

A representation of Ectopy

Ectopia is a malformation in which the urethral opening is not located at the tip of the penis, but further down the shaft or on the abdomen. This anomaly can lead to urinary tract infections, incontinence and infertility. Ectopia is most common in male dogs, particularly in certain breeds such as the Boston Terrier, Bulldog and Cocker Spaniel.

Causes and symptoms

The exact cause of ectopia is not known, but it is thought to be a genetic defect that occurs during embryonic development. The urethral opening normally forms in the eighth week of pregnancy, but in dogs with ectopia it gets stuck in the wrong place.

Symptoms of ectopia can vary depending on the severity and location of the opening. Some common signs include:

  • Weak or interrupted urine stream
  • Blood in the urine or at the opening
  • Frequent licking or biting at the opening
  • Difficulty urinating or defecating
  • Urinary incontinence or dribbling
  • Inflammation or infection of the opening or surrounding tissue
  • Inability to reproduce

Diagnosis and treatment

Ectopia is diagnosed by a physical examination of the dog and observation of its urination behavior. The vet may also take a urine sample to test for infection or other problems. In some cases, an x-ray or ultrasound may be required to determine the exact location of the opening.

The treatment of ectopia depends on the severity of the condition and the age of the dog. In mild cases, conservative therapy may be sufficient, consisting of regular cleaning of the opening, antibiotic treatment for infections and avoidance of irritants such as harsh cleaning agents or perfumes. In more severe cases, surgery may be necessary to relocate or enlarge the opening. Surgery is usually performed when the dog is between six months and one year old to reduce the risk of complications. The success rate of surgery is high, but scarring, re-infection or re-positioning may occur.

Prevention and prognosis

Prevention of ectopia is difficult as the exact cause is unknown. The best measure is to avoid breeding dogs with this abnormality or at least to ensure that they are not mated with other dogs with ectopia. This can help to reduce the spread of the defect and reduce the suffering of affected dogs.

The prognosis for dogs with ectopia depends on the severity of the condition and the effectiveness of treatment. Many dogs can lead a normal life if they are properly cared for. However, some dogs may have chronic problems such as incontinence, infections or infertility. These dogs require special attention and care from their owners.

Ectopia is a serious condition that can affect a dog's life. If you suspect your dog is suffering from ectopia, you should take him to the vet as soon as possible. Early diagnosis and treatment can help alleviate symptoms and improve your dog's quality of life.


The authors assume that a veterinarian should be consulted if an animal is ill and that medication should only be taken after consultation with a doctor or pharmacist. Only an individual examination can lead to a diagnosis and treatment decision.

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