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Adnexal Cyst

Take a Look at the Causes and Symptoms of Adnexal Cyst

Adnexal cyst also referred to as an ovarian cyst, is a common condition faced by most women of all ages. Sometimes, these cysts show no symptoms, while sometimes they are accompanied by severe abdominal pain. This article deals with the causes, symptoms, diagnosis, and treatment of this medical condition.
Ashwini Kulkarni Sule
Last Updated: May 31, 2018
Pregnant Woman With Her Gynecologist
The Adnexa is a region that is adjacent to the uterus, connecting to the ovaries, associated blood vessels, ligaments, connective tissues, and fallopian tubes. These cysts show no symptoms at times, hence a radiologic test and a physical examination is required for the detection of these cysts. An adnexal cyst is a formation of a tumor in the adnexa. These masses can either be cancerous or non-cancerous. Several tests need to be performed to identify, whether these cysts are malignant or benign.
Causes and Symptoms
In most women, the adnexal cyst produces no symptoms at all. It is often reported accidentally during a routine gynecological examination. In very few cases, symptoms may induce pain in the pelvic region. At times, a cyst may be the result of a metastatic disease in other parts of the body, such as the breast or stomach. In case of premenopausal women, an adnexal cyst may cause irregularity in periods. Rarely, bleeding may occur at the site of the cyst. A large cyst often imposes pressure on the bladder or rectum. This makes it pretty difficult to urinate and may also lead to constipation. Increased frequency of urination is yet another symptom of this condition. Gastrointestinal disorders are common in cases of malignant adnexal cysts.
A fibroid is a non-cancerous tumor that develops from the uterine muscle. The size of these tumors ranges from millimetres to centimetres. They develop, either as a single fibroid or multiple fibroids. Uterine fibroids develop in response to hormones, such as progesterone and estrogen. These hormones are secreted in the body, mostly by birth control pills. They are more common in African Americans than Asians or Caucasians. A fibroid within the cervix is called a cervix fibroid. Leiomyosarcomas, a cancerous tumor also stems from the muscles of the uterus. However, benign fibroids do not turn into malignant ones and are very uncommon in occurrence (less than 1 percent of the female population suffers from leiomyosarcomas).
Symptoms of Fibroid
  • Fibroids generally show no symptoms at all. Hence, most of the time, these growths go unnoticed.
  • However, fibroids tend to have new blood vessels, which can open up and bleed.
  • The uterus contracts to prevent heavy bleeding and a woman may face painful periods due to this contraction.
Fibroma is a benign solid tumor that occurs in the ovary, lungs and the abdomen. Fibroma is commonly seen in adults of either sex. It is a benign tumor growth of fibrous or connective tissues. It is the result of unreasoned and uncontrolled cell growth, or irritation and injury. It is more common in postmenopausal women.

Symptoms of Fibroma
  • Heavy bleeding during menstruation
  • Prolonged menstrual periods (over 7 days)
  • Constipation
  • Frequent urination or problems with urination
  • Pain in the pelvis
  • Leg pain
  • Backache
The uterus consists of three layers - outer layer: serosa, the middle layer: uterine muscle, also known as the myometrium, and the innermost layer: endometrium, which lies in the cavity of the uterine. This layer is shed during menstruation. Hence, these cysts contain a tissue from the uterine lining or from the endometrium. The fluid inside this cyst is the old blood that is produced from the endometrium tissue. This cyst is also known as 'chocolate cyst', due to it chocolate appearance.
Symptoms of Endometrioma
  • Cramping and swelling during periods
  • Pain while bending and performing stretching exercises, while emptying the bladder, and during sexual intercourse
  • In severe cases, the cyst might put pressure on the ovary, causing it to twist until the blood flow is cut off. This results in a very sharp pain.
  • However, not every woman would face the same symptoms. In fact, some women might have no symptoms at all.
Functional Cyst
A functional cyst is more likely to develop when the ovary changes its way of producing or releasing an egg. There are two types of functional tumors; follicular (simple) and luteal (corpus luteum). The simple tumor develops when an egg sac does not release an egg. This causes it to swell, with the fluid, either inside or on the surface of the ovary. The corpus luteum cyst develops when the remains of the egg follicle fail to dissolve and continue to swell.
Symptoms of Functional Cyst
  • Abdominal pain
  • Frequent urination (if the cyst is pressing your bladder)
  • Changes in periods
Cystadenomas are also referred to as neoplasms, which means new growth. This is a common benign tumor, which develops from the cells on the outer surface of the ovaries. It contains serous or mucinous fluid. Serous is a thin watery fluid, which grows between 2 and 6 inches in diameter. Mucinous is a thick, sticky gelatine like fluid, which grows between 6 and 12 inches in diameter.
Symptoms of Cystadenoma
While some women do not experience any symptoms, others may face the following ones:
  • Excruciating abdominal pain and discomfort
  • Vaginal discharge
Hydrosalpinx is actually a fallopian tube that is filled with fluid due to an infection or injury. There are several reasons that lead to infection of the fallopian tube. The residue prior to a sexually transmitted disease, like gonorrhoea or chlamydia, ruptured appendix, and excessive buildup of tissue due to endometriosis, are some of its causes. Previous abdominal surgeries also encourage hydrosalpinx.
Symptoms of Hydrosalpinx
  • Recurring pain in the abdomen
Polycystic Ovary
A polycystic ovary is a condition, in which, the follicles fail to erupt from the ovaries. Many small follicles cause the ovary to enlarge. This is most common in women with PCOS (polycystic ovary syndrome).
Symptoms of Polycystic Ovary
  • Irregular or no periods at all
  • Heavy menstrual bleeding
  • Fertility problems
A dermoid cyst is a sac-like growth. It usually looks like teeth, hair, fluid, bone, fat, etc. Mostly, women between the age of 20 and 40 years are faced with such cysts. If brain, bone tissues, or glands are present, then the tumor is considered malignant. Dermoids can be present since birth but are noticed in adulthood. They grow between 2 and 4 inches in diameter.
Symptoms of Dermoid
These cysts are not painful unless they are ruptured.
  • Pelvic pain
  • Pain in the abdomen, hips, and the lower back
  • Spotting
  • Heavy bleeding
  • Late or missed period
  • Pain during sexual intercourse and while emptying the bowels
Tubo-ovarian Abscess
This is an infected lump of puss in the fallopian tube or the ovary. It is mainly caused due to the infection pushed up to the reproductive tract from the vagina. A Tubo-ovarian Abscess is developed by the formation of puss in the ovaries and tubes.
Symptoms of Tubo-ovarian Abscess
  • Fever and lower abdominal pain
  • Unusual bleeding
  • Vaginal discharge
  • Discomfort while emptying bowels or during urination
Cancerous Cyst
Cancer from the gastrointestinal tract or breasts is most likely to spread to the adnexal region. It is also likely to develop in the fallopian tube and the ovaries.
Symptoms of Cancerous Cyst
  • Heavy bleeding
  • Spotting
  • Painful periods
  • Feeling of a full bladder just after urination
  • Irregularities and difficulty in urination
Ectopic Pregnancy
Ectopic pregnancy is a pregnancy that forms outside the uterus. In this case, conception occurs, mostly in the fallopian tube, which causes excruciating pain.
Symptoms of Ectopic Pregnancy
Ectopic pregnancy feels like a normal pregnancy initially. However, the first symptoms might include,
  • Vaginal bleeding and abdominal pain, 6 to 8 weeks after pregnancy. This pain might worsen and spread through the pelvic region. Also, there may be a noticeable increase in vaginal bleeding, over time.
  • Dizziness
  • Painful sexual intercourse
Other Cysts
Some tumors are benign, while some others might produce high levels of different hormones, such as Sertoli-Leydig cell tumors produces androgen or male hormones, granulosa cell tumor produces estrogen or struma ovarii that produces thyroid hormone.


The medical history of the woman plays a vital role in the diagnosis of an adnexal cyst. Irregular periods, long phases of amenorrhea etc., are indicative of the possibility of an ovarian cyst or polycystic ovarian disease. An extensive pelvic examination is required to affirm the possibility of an adnexal cyst. It is also important to identify the type of cyst, so that, the course of treatment can be decided. An instrument called speculum is widely used in the diagnosis of these cysts, which widens the vagina so that the doctor can have a better view of the pelvic region. If the doctor suspects a neoplasm, then he might ask you to go for an ultrasound or pelvic sonogram. Ultrasonography successfully detects any abnormal growths in the adnexal region.
Treatment for Fibroid
If the symptoms don't show, the treatment is not necessary. Fibroids tend to shrink after menopause and hence, the symptoms are likely to disappear completely.
Treatment for Functional Cyst
Serial ultrasounds should be carried out and examined to observe the growth of these cysts. Birth control pills may be recommended to stop ovulation and formation of these cysts. A cyst tends to dissolve with time, hence, treatment may not be necessary.
Treatment for Endometrioma, Cystadenomas, Fibroma, and Dermoids
These tumors demand surgery, as they generally do not heal with medication. If the cyst is small enough, it can be removed through laparoscopy.
Treatment for Tubo-ovarian Abscess, Hydrosalpinx, and Ectopic Pregnancy
Depending on the growth, initially, the doctor's guidance is very important. After diagnoses and observations, the doctor will either prescribe medication or advice surgical removal. This will solely depend on the severity of the cyst and the medical history of the patient.
Treatment for Polycystic Ovary
Polycystic ovary does not have any treatment in specific. However, women who want to conceive, are prescribed Clomid, as it stimulates ovulation. On the other hand, women, who do not want to conceive are prescribed Provera, as it restores menstrual flow.
Treatment for Cancerous Cyst
The patient has to strictly seek advice and treatment only from an oncologist.
If the cysts subside on their own, then no treatment is required. Some cysts are often harmless, but may take their own time to resolve. Oral contraceptives may be prescribed to fasten this process in women of reproductive age. The cysts in postmenopausal women need supervision for quite some time. They need to be closely monitored for their growth rate and occurrences of new tumors. They can be removed by surgery. If the cyst is found to be present in a young girl (this is possible, as they can be found even in the female fetus), then surgery is the only option to cure it.
Adnexal cyst is a pretty generic term that does not indicate the magnitude of seriousness. Since, they are often detected during routine examination, it is important to get yourself routinely examined by your gynecologist, more so, if you are above 40 years of age. Also, any irregularities in pattern or duration of menstruation should also be reported.
Disclaimer: This article is for informative purposes only and does not, in any way, intend to replace the advice of a medical professional.