External radiotherapy consists in the treatment by means of the use of high energy rays produced by a linear accelerator and that from the outside of the body are directed precisely towards the tumor. This kind of radiotherapy, external radiotherapy, is the most common way to treat cancer.
In order to minimize possible damage to adjacent tissues, combinations of one or several beams are calculated, with different entrances to the body and radiotherapy sessions are usually performed on an outpatient basis that can be extended for several weeks.

What system is used?

During the treatment, during a session of the same, a machine will be responsible for directing the X-rays or high-energy beams from outside to the tumor. As we discussed earlier, this device that is used is called a linear accelerator or "linac". With this system, the radiation supply is precise and, above all, after the latest technological improvements that allow more effectiveness with less radiation dose, causing less damage to healthy tissues, eliminating in a more effective and localized way the cancer cells during the treatment and, in addition, with fewer side effects for the patient after this cancer treatment. Better for the general health and for the well-being of the person.

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The technology of radiation allows a precise supply, perfectly focused in the area to be treated, of external beam radiotherapy. The latest machines focus radiation better, are able to act in an ultra-millimeter fashion and cause less damage to normal tissues, so that doctors are allowed to use higher doses -and more effective, in less time- of radiation.

In what situations is it used?

External beam radiation therapy is used, in general, for cancer treatments, either to eliminate it or in cases in which it is necessary to prevent its recurrence. You can also resort to this technique for palliative treatments in situations of metastasis or advanced cancer. In these cases, rather than prevention or treatment, we talk about alleviating the difficult symptoms that are causing the cancer or that the tumor does not advance and block important or vital organs.

Types of external radiotherapy

  • 3D conformal

    Through 3D radiotherapy we can get accurate diagnoses to treat cancer effectively.

    (read more)

  • Frameless fractionated stereotactic radiosurgery

    A type of external radiotherapy that allows submillimeter accuracy acting only on healthy tissues. What it does, among other reasons, that its use is perfect for brain injuries.

    (read more)

  • IMRT (Intensity Modulated Radiotherapy)

    Each beam has three-dimensional intensity regulated. High precision to administer high and focused doses of radiation to a tumor. The surrounding healthy tissues hardly suffer from exposure.

    (read more)

  • IGRT (Image Guided Radiotherapy)

    Technique used with the objective of reducing the error margins of the treatment fields. It allows more accuracy.

    (read more)

  • VMAT (Volumetric Modulated Arc Therapy)

    VMAT is a type of IMRT in which the radiation dose is delivered to the tumor with the treatment unit rotating 360 degrees.

    (read more)

  • SBRT (Stereotactic Body Radiation Therapy)

    For small tumors that are on the outside of the skull.

    (read more)

  • 4D Radiotherapy

    IMOR has the latest advances in external radiotherapy, such as 4D radiotherapy.

    (read more)

More information on external radiotherapy

If you need more information about our radiotherapy treatments in Barcelona, ​​we invite you to offer it. Contact IMOR for any questions.

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