A method of stereotactic therapy. A frame including at least three markers that are imaged by a structural imaging modality such as CT or MRI, is rigidly secured to a patient and a structural image, of a target inside the patient including diseased tissue, and of a part of the frame including the markers,...http://www.google.de/patents/US6173201?utm_source=gb-gplus-sharePatent US6173201 - Stereotactic diagnosis and treatment with reference to a combined image
