Lymphangiogram

What is a Lymphangiogram?

A lymphangiogram is an imaging procedure that uses an X-ray technique and a water-soluble contrast dye to show the structure and possible blockages in the lymphatic system. The lymphatic system plays an important role in the body’s immune system, so a lymphangiogram can help identify potential problems such as blockages due to tissue damage, tumors, or other abnormalities.

Preparation

Prior to a lymphangiogram, your physician may recommend any of the following tests:

Blood tests
Complete Blood Count (CBC)
Electrocardiogram (ECG)
Urine tests
X-rays/CT scans
Ultrasounds

Procedure

The procedure for a lymphangiogram is as follows:

Step 1: An intravenous line will be inserted into your arm or leg to administer the contrast dye.
Step 2: X-ray imaging will be done to check that the dye has been properly injected into the lymphatic system.
Step 3: Images will be taken of the lymphatic system to generate the lymphangiogram.
Step 4: Once the images are obtained, the contrast dye and intravenous line will be removed.

Types

There are two types of lymphangiogram:

Conventional lymphangiogram: This uses a contrast dye that is injected directly into a lymphatic channel such as a lymph node.
Cine lymphangiogram: This is a type of imaging that is done while the contrast dye is injected and is used to create a dynamic picture of the lymphatic system.

Risks

The risks associated with a lymphangiogram are rare, but could include:

Allergic reaction to the contrast dye
Bruising at the injection site
Infection
Pain at the injection site
Changes in blood pressure or heart rate

Why Have a Lymphangiogram?

A lymphangiogram is typically performed to detect any blockages or abnormalities in the lymphatic system. This may be due to any of the following:

Cancer
Lymphedema
Infection
Tissue damage from injury or surgery
Infectious diseases

When to Get a Lymphangiogram?

Your doctor may recommend getting a lymphangiogram if you have any symptoms that may indicate a blockage in the lymphatic system, such as swelling in the arms or legs. A lymphangiogram may also be used to diagnose other conditions of the lymphatic system and to verify the results of other imaging tests.