interstitial therapy

in·ter·sti·tial ther·a·py

radiation therapy by means of radioactive seeds or needles implanted directly into the tissues to be irradiated.

interstitial therapy

radiotherapy in which needles or wires that contain radioactive material are implanted directly into tumor areas. See also brachytherapy.

interstitial therapy

Brachytherapy, see there.

in·ter·sti·tial ther·a·py

(in'tĕr-stish'ăl thār'ă-pē)
Radiation therapy by means of radioactive seeds or needles implanted directly into the tissues to be irradiated.