Chylolymphatic Cyst: Diagnosis and Treatment

Written by Medicover Team and Medically Reviewed by Dr M Kalyan Ravi Teja , General Surgeons



A chylolymphatic cyst is a type of cyst that forms in the lymphatic system, which is responsible for transporting lymph fluid throughout the body. These cysts can affect the normal flow of lymph fluid and may lead to swelling and discomfort in the affected area. The primary impact of a chylolymphatic cyst on health is the potential disruption of the lymphatic system's function, which can affect the body's ability to fight infections and maintain fluid balance.


What are the Types of Chylolymphatic Cyst?

Chylolymphatic cysts can occur in different parts of the body depending on where lymphatic fluid accumulates. Identifying the type helps determine the most appropriate treatment.

Abdominal Chylolymphatic Cyst

  • An abdominal chylolymphatic cyst is a fluid-filled sac that develops within the abdominal cavity, commonly near the intestines or lymph nodes.

Retroperitoneal Chylolymphatic Cyst

  • These cysts develop in the retroperitoneal space behind the abdominal cavity, often near the kidneys or adrenal glands.

Mesenteric Chylolymphatic Cyst

  • Mesenteric chylolymphatic cysts occur within the mesentery, the tissue that supports and connects the intestines to the abdominal wall.

Pelvic Chylolymphatic Cyst

  • Pelvic chylolymphatic cysts develop around the pelvic organs, including the bladder and reproductive organs.

Neck Chylolymphatic Cyst

  • These cysts occur in the neck region, usually close to the lymph nodes or thyroid gland.

What are the Symptoms of Chylolymphatic Cyst?

The symptoms depend on the size and location of the cyst. Small cysts may remain asymptomatic, while larger cysts can compress nearby structures.

  • Swelling in the neck or under the chin.
  • Pain or discomfort in the affected area.
  • Difficulty swallowing.
  • Redness or warmth over the cyst.
  • Tenderness on touch.
  • Abdominal pain or bloating when located in the abdomen.
  • Nausea or vomiting.

What are the Causes of Chylolymphatic Cyst?

Chylolymphatic cysts may develop due to abnormalities or disruption of the lymphatic system.

  • Congenital abnormalities of the lymphatic vessels.
  • Trauma or injury to the lymphatic system.
  • Infections affecting lymphatic tissues.
  • Inflammation of the lymphatic vessels.
  • Blockage or obstruction of lymphatic channels.
  • Previous surgical procedures involving lymphatic structures.

When to See a Doctor for Chylolymphatic Cyst?

If you experience persistent abdominal pain, a noticeable abdominal lump, abdominal swelling, nausea, vomiting, or symptoms of intestinal obstruction, consult a General Surgeon. Early diagnosis and treatment can help prevent complications such as bowel obstruction, infection, or rupture and improve recovery outcomes.

  • If you notice a persistent or enlarging lump in your abdomen.
  • If you have ongoing abdominal pain, discomfort, or a feeling of fullness.
  • If you experience nausea, vomiting, constipation, or abdominal bloating that does not improve.
  • If you develop severe abdominal pain accompanied by fever or tenderness, which may indicate infection or complications.
  • If you experience symptoms of intestinal obstruction, such as inability to pass stool or gas, persistent vomiting, or severe abdominal distension.
  • If the cyst is discovered during imaging studies and requires further evaluation or monitoring.
  • If your symptoms interfere with your daily activities or progressively worsen over time.
  • If your symptoms persist or worsen, consult a General Surgeon for a comprehensive evaluation, imaging studies, accurate diagnosis, and appropriate surgical management if needed.

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How is Chylolymphatic Cyst Diagnosed?

Diagnosis involves clinical evaluation along with imaging studies to determine the size, location, and characteristics of the cyst.

  • Physical examination.
  • Ultrasound scan.
  • Computed Tomography (CT) scan.
  • Magnetic Resonance Imaging (MRI).
  • Lymphangiography.
  • Fine Needle Aspiration (FNA) biopsy.
  • Surgical exploration with biopsy when required.

How is Chylolymphatic Cyst Treated?

Treatment depends on the size, symptoms, and location of the cyst. Small asymptomatic cysts may only require monitoring, while symptomatic cysts often require intervention.

  • Observation and Monitoring: Small cysts without symptoms may only require regular follow-up.
  • Aspiration: Draining cyst fluid using a needle provides temporary symptom relief.
  • Sclerotherapy: Injection of a sclerosing agent helps shrink the cyst and reduce recurrence.
  • Surgical Excision: Complete removal of the cyst is the preferred treatment for large or symptomatic lesions.
  • Compression Garments: May help reduce swelling in selected patients.

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What are the Risk Factors for Chylolymphatic Cyst?

Several congenital and acquired conditions increase the risk of developing chylolymphatic cysts.

  • Congenital lymphatic malformations.
  • Trauma or injury to the lymphatic system.
  • Genetic predisposition.
  • Infections involving lymphatic vessels.
  • Inflammatory disorders affecting lymphatic tissues.
  • Previous lymphatic or abdominal surgery.

Frequently Asked Questions

1. What is a chylolymphatic cyst?

A chylolymphatic cyst is a rare type of cyst that forms from the accumulation of lymphatic fluid mixed with chyle, a milky fluid containing fat.

2. What are the symptoms of a chylolymphatic cyst?

Symptoms may include swelling or a palpable lump in the affected area, discomfort or pain, and potential complications if the cyst grows large enough to compress surrounding structures.

3. How is a chylolymphatic cyst diagnosed?

Diagnosis typically involves imaging studies such as ultrasound, CT scan, or MRI to visualize the cyst and determine its size, location, and possible impact on nearby tissues.

4. What are the treatment options for a chylolymphatic cyst?

Treatment may include observation for asymptomatic cases, drainage of the cyst fluid using aspiration or sclerotherapy, or surgical removal in more severe or symptomatic cases.

5. Is a chylolymphatic cyst cancerous?

Chylolymphatic cysts are benign and not considered cancerous. However, they can cause symptoms and complications if left untreated.

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