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Dr. Jean-Marie Wenger, MD, FMH
Gynecological surgery, Endoscopy & Endometriosis
Specialist in laparoscopic, laser & 3D robotic surgery

Endometriosis surgery

Endometriosis is characterized by the presence of glands and cells similar to endometrial tissues outside of the uterus. Endometriosis can be very painful, especially during the second half and after menstruation. Pain also appears during sex. Endometriosis often leads to infertility. It is a diffuse disease that can affect any part of the body.

The frequent recurrence of endometriosis symptoms and late diagnosis often put patients in deep distress. The gynecological surgeon must treat young patients as early as possible to avoid the risk of infertility and a high-risk operation. Diagnostic laparoscopy is the gold standard. The surgical treatment of endometriosis by laparoscopy should be performed at the same time as the diagnosis. Indeed, the treatment of choice for endometriosis is the destruction of endometriosis implants by laparoscopic surgery, followed by medical treatment. In our experience of over 800 cases of endometriosis surgery, laparoscopic surgery should be radical and, if necessary, performed in collaboration with digestive surgeons and/or urologists.

(Excerpts from: JM Wenger Swiss Medical Journal 2009; 5:2085-2090)


Endometriosis affects an estimated 10 to 15% of women and girls worldwide, usually during their reproductive years regardless of their ethnic and social background. However, 80% of the population has never heard of endometriosis. As a result, many cases remain undiagnosed and often untreated. Endometriosis is a condition where tissue similar to the lining of the uterus (which should only be located inside the uterus) is found elsewhere in the body. In these locations outside the uterus, the endometrial tissue has developed into what are called nodules, tumors, lesions, implants or growths. Some experts believe that pieces of endometrium have traveled back through the fallopian tubes and passed out into the pelvic cavity (space inside the pelvis that holds the reproductive organs). More »


Symptoms of Endometriosis

The most common symptoms of endometriosis are pain before and during periods (usually worse than "normal" menstrual cramps), during or after sexual activity, infertility, and heavy or irregular bleeding. Other symptoms may include fatigue; painful bowel movements with periods; lower back pain with periods; diarrhea and/or constipation and other intestinal upset with some periods. The pain often correlates to the menstrual cycle, but a woman with endometriosis may also experience pain that doesn’t correlate to her cycle – this is what makes this disease so unpredictable and frustrating. These symptoms may occur in young age, with the first menstruations. Endometriosis can be a chronic condition, with symptoms ranging from mild to severe. More »


Diagnosis of Endometriosis

Diagnosing endometriosis can be difficult for a non-specialist because symptoms can vary widely and the only way to definitely diagnose endometriosis is by undergoing a surgical procedure called a laparoscopy. Therefore, diagnosis of endometriosis is generally considered uncertain until proven by laparoscopy. In this diagnosis procedure, a small scope is inserted through a very small incision in the abdomen so the physician can look for endometrial implants. If the diagnosis is clear, the gynecological surgeon (specialized and experienced in endometriosis surgery) will remove the implants during this surgery. More »




Clinic La Colline has six of the latest high technology operating rooms, located in a high-tech building constructed and inaugurated in 2009.


The clinic La Colline offers a high-quality, personalised treatment. Our highly trained and skilled nursing staff ensure that each patient is properly looked after.

© Dr. Jean-Marie Wenger 2016
Avenue de la Roseraie 76A, 1205 Geneva, Switzerland
  +41 22 321 26 66 |   +41 22 321 26 70

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