Has anybody heard of thyroid biopsy with conscious sedation? what is the usual anesthesia used?

Usually local: Thyroid biopsy is usually done with a small needle under ultrasound guidance under local anesthesia. Unless you have anxiety disorder, sedation is usually unnecessary. It only takes a few minutes and complication is rare.

Yes: A biopsy of the thyroid could easily be done with IV sedation.

Needle biopsy?: If this procedure is done as a simple needle biopsy then it can be done with conscious sedation. If this is going to be an open surgical resection i believe the best treatment would be a general anesthetic. Please discuss this with your provider before the operation.