Which Statements Are True Regarding Intradiscal Electrothermal Therapy (IDET)

Which statements are true regarding intradiscal electrothermal therapy (IDET) ?

A) It uses thoughts and suggestions to guide the imagination.
B) It uses heat to modify the nerve fibers of a spinal disc.
C) It uses electrodes to deliver electrical current through the skin.
D) It uses a wire called an electrothermal catheter that is placed through an incision into the spinal disc.
E) It uses thin solid metallic needles.