Ultrasound-guided thyroid percutaneous ethanol injection is a procedure that is performed to treat select benign cysts/nodules. The procedure involves the use of an ultrasound to identify the thyroid cyst/nodule. Some fluid is then removed from the thyroid cyst/nodule. Ethanol is then injected into the thyroid cyst/nodule. This procedure is usually well tolerated by the patient.
Why it is done
An ultrasound-guided thyroid percutaneous ethanol injection is an alternative to surgery in the treatment of benign cysts/nodules (fluid-filled sac).
How it is done at the ENT Specialty Group
Using an ultrasound machine, the doctor identifies the thyroid cyst/nodule and documents its characteristics. The doctor injects local anesthesia to minimize discomfort. Using the ultrasound as a guide, a needle is inserted into the cyst/nodule. Some of the internal fluid is aspirated. Ethanol is then injected into the cyst/nodule cavity and may be partially re-aspirated after a few minutes. Following the procedure, the doctor uses the ultrasound machine to ensure that there are no injuries to surrounding structures or bleeding and documents the characteristics of the cyst/nodule. This procedure usually needs to be repeated several times on separate occasions.
How it feels
The discomfort associated with thyroid percutaneous ethanol injection is comparable to that of a fine needle aspiration biopsy, but it varies.