Endometriosis Lesions: Location, Types, Stages, Treatment

Linda Rider

Endometriosis is a chronic ailment exactly where lesions, consisting of tissue very similar to the uterine lining, develop outside of the uterus. It is believed to affect 10 to 15 {fe463f59fb70c5c01486843be1d66c13e664ed3ae921464fa884afebcc0ffe6c} of ladies of reproductive age.

Endometriosis can be divided into quite a few distinct phases. These are based mostly on things like the quantity, site, and severity of endometriosis lesions.

In this posting, we’ll acquire a closer look at the forms of endometriosis lesions as very well as endometriosis staging and no matter if endometriosis lesions can be eliminated.

The lining of your uterus is called the endometrium. For the duration of your menstrual cycle, the endometrium thickens in order to prepare for the implantation of a fertilized embryo. If this does not take place, the endometrium is drop during your period of time.

Endometriosis lesions are patches of tissue that are related to the endometrium. But compared with the endometrium, they develop in places exterior the uterus.

These lesions also thicken through your menstrual cycle and bleed through your time period. Having said that, due to the fact this tissue can’t go away your system, it can direct to the prevalent indications of endometriosis, this sort of as soreness, swelling, and digestive challenges.

Endometriosis lesions can vary in dimensions and normally appear as nodules or cysts. They’re largely brown, black, or blue in shade. Nonetheless, they can also from time to time be purple, white, or apparent.

It’s also probable for endometriosis lesions to be related with adhesions. Adhesions are bands of scar tissue that can lead to organs and tissues in the pelvis to stick collectively.

In which are endometriosis lesions uncovered?

The most frequent parts for endometriosis lesions to be located are the:

  • ovaries
  • fallopian tubes
  • outside the house floor of the uterus
  • ligaments bordering the uterus

It’s also doable for endometriosis lesions to be uncovered in other parts of the pelvis, these types of as the:

Whilst endometriosis lesions mostly impact organs and tissues in the pelvis, they can, in uncommon instances, be detected in other areas. A few examples incorporate the liver, lungs, or brain.

There are a few diverse types of endometriosis lesions. These are commonly classified primarily based on the area wherever they come about. It’s possible to have various forms of endometriosis lesions at 1 time.

Superficial peritoneal lesions

Superficial peritoneal lesions are observed on the peritoneum. This is the tissue that traces the pelvic cavity and organs. It is the most common style of lesion, and accounts for about 80 {fe463f59fb70c5c01486843be1d66c13e664ed3ae921464fa884afebcc0ffe6c} of endometriosis lesions.


Endometriomas are a form of cyst that most usually surface on the ovaries, despite the fact that they can, in some scenarios, show up on other tissues as properly.

It is estimated that amongst 17 and 44 percent of men and women with endometriosis will have an endometrioma.

With an endometrioma, the endometriosis tissue bleeds into the cyst, major to accumulation of a brown fluid. For this rationale, endometriomas are frequently referred to as chocolate cysts.

Deep infiltrating endometriosis (DIE)

Deep infiltrating endometriosis (DIE) refers to endometriosis lesions that penetrate 5 millimeters (mm) or more into the influenced tissue. It’s approximated to influence about 20 {fe463f59fb70c5c01486843be1d66c13e664ed3ae921464fa884afebcc0ffe6c} of people with endometriosis.

DIE is the most intense variety of endometriosis and is typically connected with significant indicators. The major parts exactly where DIE can take place consist of the:

  • ligaments bordering the uterus
  • tissue among the uterus and rectum (pouch of Douglas)
  • place of the vagina recognised as the posterior fornix
  • tissue separating the vagina and rectum (rectovaginal septum)
  • urinary tract, like the bladder and ureters
  • intestines

Diagnostic laparoscopy is the only absolutely sure way to know if you have endometriosis. Laparoscopy works by using an instrument termed a laparoscope to study the organs and tissues of your pelvis. It’s a minimally invasive surgery that only utilizes compact incisions.

This procedure frequently requires the collection of a biopsy sample from an endometriosis lesion. The biopsy sample is then carefully examined in a laboratory.

Other imaging procedures, this sort of as ultrasound or magnetic resonance imaging (MRI), may perhaps also be utilised through diagnosis and for preparing cure.

Physicians can use the details acquired from a diagnostic laparoscopy to stage endometriosis.

The American Society for Reproductive Medication (ASRM) staging technique

The American Society for Reproductive Medicine (ASRM) requirements is most often applied to phase endometriosis. This makes use of a scoring procedure to assess:

  • the existence of endometriosis lesions affecting the peritoneum, ovaries, and fallopian tubes
  • how deeply endometriosis lesions penetrate the surrounding tissue
  • whether adhesions are present and how dense they are

With the ASRM conditions, better scores are related with far more extensive endometriosis. There are four various phases:

  • Phase I (small). People today with stage I endometriosis commonly have a few superficial endometriosis lesions.
  • Phase II (gentle). In phase II endometriosis, extra lesions are observed, and they ordinarily penetrate deeper into the afflicted tissue.
  • Phase III (average). People with stage III endometriosis generally have:
    • a massive number of deep endometriosis lesions
    • scaled-down endometriomas on one or both ovaries
  • Phase IV (significant). Those with stage IV endometriosis normally have:
    • a significant range of deep endometriosis lesions
    • big endometriomas on one or the two ovaries

The stage of endometriosis doesn’t generally correlate with symptom severity. It just reflects how extensive endometriosis is. For example, it is possible to have phase II endometriosis and even now knowledge severe discomfort and inflammation.

The Enzian classification

A person of the drawbacks of the ASRM program is that it does not account for the existence of deep infiltrating endometriosis (DIE), which influences tissues other than these incorporated in the ASRM technique.

The Enzian classification procedure was developed to explain the extent of DIE in a individual with endometriosis. It takes the pursuing elements into account:

  • Area. There are 3 different compartments, each individual categorised by a letter.
    • Compartment A incorporates the vagina and the pelvic area amongst the vagina and the rectum.
    • Compartment B features the pelvic wall and the ligaments of the pelvis.
    • Compartment C features the colon and rectum.
  • Stage. The amount criterion is how significantly the endometriosis lesions penetrate the impacted tissues. There are 3 stages:
    • Level 1 is less than 1 centimeter.
    • Stage 2 is 1 to 3 centimeters.
    • Amount 3 is bigger than 3 centimeters.
  • Other afflicted organs. This accounts for the involvement of extra organs, like the:
    • organs outside of the pelvis

A 2013 study evaluated the Enzian technique in 194 men and women with endometriosis. A correlation amongst additional serious Enzian classification and extra significant ASRM score was found.

Also, signs like pain and serious menstrual cramps have been affiliated with a extra severe Enzian classification.

The Endometriosis Fertility Index (EPI)

One more disadvantage of the ASRM system is that it does not replicate how endometriosis can have an effect on your fertility. This is usually an crucial problem for folks with endometriosis who want to get expecting.

The Endometriosis Fertility Index (EPI) was created to assistance explain the probability of getting to be pregnant. It uses a selection of elements, including:

  • the estimated functionality of the ovaries, fallopian tubes, and fimbria
  • personal information and facts like age, selection of a long time you’ve experienced infertility, and history of prior pregnancies
  • the rating from the ASRM process

A 2018 examine assessed the EPI in predicting the potential to conceive without having in vitro fertilization (IVF).

It located that the EPI was far better than the ASRM method at predicting the probability of conceiving, regardless of no matter whether an specific has endometriosis.

As we outlined before, a surgical prognosis making use of laparoscopy is extremely crucial in figuring out if you have endometriosis. The moment a diagnosis of endometriosis has been confirmed, it is also possible for endometriosis lesions to be eliminated utilizing surgery.

Going through surgery to get rid of endometriosis lesions is typically proposed if more conservative treatment options haven’t presented reduction or you are encountering infertility because of to endometriosis.

Endometriosis medical procedures is frequently done utilizing a laparoscope. During the treatment, the surgeon functions to find endometriosis lesions. They’ll then wipe out or take out them. This kind of surgery preserves your fertility.

There are two different styles of laparoscopic surgical procedure for endometriosis – excision and ablation.

During excision, the surgeon carefully cuts away the endometriosis lesions. For the duration of ablation, endometriosis lesions are wrecked using matters like warmth, freezing, or a laser beam. Excision is commonly much more efficient at relieving signs or symptoms.

Hysterectomy can also be used to take out endometriosis lesions, especially those people influencing the outside of the uterus and bordering tissues like the ovaries. This surgery includes the elimination of the uterus and can also consist of elimination of the ovaries, fallopian tubes, or both equally. This is normally a very last resort option, as you are going to no extended be equipped to come to be expecting afterward.

A recurrence of endometriosis lesions is reasonably widespread following surgical procedure. The recurrence fee after surgical procedures has been estimated to be concerning 6 and 67 per cent, while the fee can rely on quite a few aspects like the kind of surgical procedures and endometriosis lesions.

Some evidence shows that excision has reduce recurrence fees in ladies with endometriosis which is a reduced ASRM phase.

Over-all, deciding to have operation for endometriosis is a big selection. It is vital to focus on all the dangers and benefits of surgical procedure with your health practitioner ahead of choosing to have a method.

Other treatments for endometriosis

If surgical procedure is not an choice for you, there are other endometriosis solutions that might assistance, these as:

  • Medicines. Various unique varieties of drugs may well assist curb the signs or symptoms of endometriosis. These involve:
    • gonadotropin-releasing hormone (GnRH) agonists, which halt the creation of hormones vital for your menstrual cycle, foremost to a short term menopause
    • over-the-counter (OTC) medications like ibuprofen (Advil, Motrin), naproxen (Aleve), and acetaminophen (Tylenol), which may perhaps be valuable for mild ache or inflammation because of to endometriosis
  • Complementary and alternate medication (CAM). Some individuals report that CAM therapies like herbs and nutritional supplements, acupuncture, or therapeutic massage therapy enable relieve their symptoms.
  • Way of living alterations. Utilizing life-style changes could also support simplicity the signs or symptoms of endometriosis. This can involve:
    • trying to get assist from buddies and relatives or by means of a assist team or mental health experienced

You might have to have to use various forms of procedure to assist with endometriosis. Also, you might require to test out diverse combinations of treatment options prior to you find what operates finest for you.

Endometriosis brings about lesions that consist of tissue like the lining of your uterus to appear in locations exactly where they do not belong. This can lead to indications like agony, swelling, and digestive issues. Endometriosis can also have an impact on fertility.

The most common places for endometriosis lesions to come about are on or about the uterus and ovaries. Nonetheless, they can also effect the vagina, intestines, and urinary tract as very well.

Endometriosis is staged in accordance to the amount, spot, and severity of endometriosis lesions. However, the stage of your endometriosis will not normally replicate the severity of your signs.

In some scenarios, operation could be advisable to take away endometriosis lesions. When operation is not an option, prescription drugs, CAM therapies, and life-style variations may possibly support relieve the indications of endometriosis.

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