Ovarian Cysts
Understanding the Difference Between Normal and Complex
Finding out you have an ovarian cyst during a routine ultrasound can be an alarming experience. The word "cyst" often conjures up fears of surgery or cancer. However, as a gynaecologist, I want to reassure you that most ovarian cysts are a normal, functional part of the female reproductive cycle. My role is to help you distinguish between a simple cyst that will resolve on its own and a complex cyst that requires specialized medical or surgical intervention.
What is an Ovarian Cyst?
An ovarian cyst is a fluid-filled sac that develops on or inside one of your ovaries. They are incredibly common and often develop as a result of the normal functioning of your menstrual cycle. Most are "functional" and asymptomatic, meaning they come and go without you ever realizing they were there.
Functional vs. Pathological Cysts
Understanding the type of cyst you have is the first step in our management plan.
Follicular Cysts: Every month, your ovary grows a follicle that contains an egg. If the follicle doesn't rupture to release the egg, it can continue to grow into a cyst. These almost always disappear within one to three months.
Corpus Luteum Cysts: Once an egg is released, the follicle becomes a corpus luteum to produce hormones. If fluid accumulates inside it, a cyst forms.
Dermoid Cysts: These are not related to your cycle. They form from embryonic cells and can contain various types of tissue, such as hair, skin, or teeth. While usually benign, they do not go away on their own and can grow quite large.
Endometriomas (Chocolate Cysts): These occur in women with Endometriosis. They are filled with dark, old menstrual blood and are a sign of more advanced disease that often requires surgical excision.
Cystadenomas: These develop from the surface of the ovary and can be filled with watery or mucous-like fluid. They can grow significantly and cause the ovary to twist (torsion).
Symptoms to Watch For
While many cysts are silent, larger or complex cysts can cause:
Pelvic Pain: A dull ache or a sharp, sudden pain on one side of the lower abdomen.
Bloating and Heaviness: A feeling of fullness or abdominal distension.
Pain During Intercourse: Deep pelvic discomfort during sexual activity.
Sudden, Severe Pain: This can be a sign of a ruptured cyst or ovarian torsion (where the ovary twists on its blood supply). This is a medical emergency that requires immediate surgical attention.
The Diagnostic Approach
When we identify a cyst, we use several tools to assess its risk level:
Pelvic Ultrasound: This is the most effective way to see if a cyst is "simple" (filled only with fluid) or "complex" (containing solid areas or irregular features).
Serial Monitoring: For simple cysts, we often wait 6–8 weeks and repeat the ultrasound to see if the cyst has resolved.
Tumour Markers (CA-125): In certain cases, especially in post-menopausal women, we may use blood tests to help assess the risk of malignancy. It is important to note that CA-125 can also be raised by benign conditions like endometriosis or fibroids.
Management and Surgical Options
Our goal is to protect your ovarian health while ensuring any potentially harmful growths are addressed.
Watchful Waiting: For small, simple cysts in pre-menopausal women, we monitor them closely without intervention.
Hormonal Contraceptives: While these don't shrink existing cysts, they can prevent new functional cysts from developing in the future.
Laparoscopic Ovarian Cystectomy: If a cyst is large, causing pain, or appears complex, I perform a minimally invasive surgery to remove the cyst while carefully preserving the healthy part of the ovary. This is particularly important for maintaining fertility.
Oophorectomy: In some cases, such as in post-menopausal women or where a cyst is very large and suspicious, the removal of the entire ovary may be necessary.
Frequently Asked Questions about Ovarian Cysts
Q: Are ovarian cysts dangerous?
A: Most ovarian cysts are harmless functional cysts that disappear on their own. They only become a concern if they are very large, cause pain, or show "complex" features on an ultrasound that require further investigation.
Q: Does having a cyst mean I have PCOS?
A: No. A single ovarian cyst is very different from Polycystic Ovary Syndrome (PCOS). PCOS is a hormonal condition characterized by many tiny follicles (often called "cysts"), whereas an ovarian cyst is usually a single, larger fluid-filled sac.
Q: What is a ruptured ovarian cyst?
A: This happens when a cyst bursts, releasing fluid into the pelvic cavity. It can cause sudden, sharp pain. While often managed with rest and pain relief, severe cases with internal bleeding may require medical attention.
Expert Ovarian Health Management
I understand the anxiety that comes with a diagnosis of an ovarian cyst. We will review your symptoms and imaging together and discuss your options in a way that you understand. My approach is entirely individualized; I listen to your concerns about pain and fertility, and I offer a full range of medical and surgical treatments. Whether we are monitoring a functional cyst or performing a complex laparoscopic excision, I am committed to providing the expert, evidence-based care you need to feel confident and healthy. Your wellbeing is my priority, and I am here to guide you every step of the way.