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The use of the image-guided technique is referred to as frameless stereotactic radiosurgery. This method is referred to as 6D because corrections are made for the 3 translational motions (X, Y and Z) and three rotational motions. It should be noted that it is necessary to use some anatomical or artificial feature to orient the
Modern treatment planning systems provide tools for multimodality image matching, also known as image coregistration or fusion. Treatment simulations are used to plan the geometric, radiological, and dosimetric aspects of the therapy using radiation transport simulations and
Fluoroscopy produces real-time images of internal structures of the body in a similar fashion to radiography, but employs a constant input of x-rays, at a lower dose rate. Contrast media, such as barium, iodine, and air are used to visualize internal organs as they work. Fluoroscopy is also used in image-guided procedures
Image-guided surgery (IGS) is any surgical procedure where the surgeon uses tracked surgical instruments in conjunction with preoperative or intraoperative images in order to indirectly guide the procedure. Image guided surgery systems use cameras or electromagnetic fields to capture and relay the patient's anatomy and
The daily CT is used to precisely place the radiation beam and allows the operator to modify the treatment should the patient's anatomy change due to weight loss or tumor shrinkage (image-guided radiation therapy). Lung cancer, head and neck tumors, breast cancer, prostate cancer, stereotactic radiosurgery (SRS) and
Fluorescing metal which is imaged by a video camera; An array of small radiation dosimeters (eg. liquid ion chambers, silicon diodes or scintillation detectors). The advantage of EPI is that images can be acquired and viewed prior to treatment delivery. If fiducial markers are used (eg. prostate cancer), the therapy staff can
This new technology is called image-guided radiation therapy (IGRT) or four-dimensional radiation therapy. Another technique is the real-time tracking and localization of one or more small implantable electric devices implanted inside or close to the tumor. There are various types of medical implantable devices that are
Image-guided radiation therapy (IGRT) is the process of frequent two and three-dimensional imaging, during a course of radiation treatment, used to direct radiation therapy utilizing the imaging coordinates of the actual radiation treatment plan. The patient is localized in the treatment room in the same position as planned
The possibilities for the future of minimally invasive procedures through image guided therapy are practically endless. At the moment, we perceive image guided therapy as an enabling diagnostic technology for minimally invasive therapy. But its capabilities won't end there; there will be smarter therapeutic devices that not
Annons