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Particle Beam Radiation Therapies for Cancer: Technical Brief Number 1

Paperback |English |1484907930 | 9781484907931

Particle Beam Radiation Therapies for Cancer: Technical Brief Number 1

Paperback |English |1484907930 | 9781484907931
Overview
Radiotherapy with charged particles can potentially deliver maximal doses while minimizing irradiation of surrounding tissues. It may be more effective or less harmful than other forms of radiotherapy for some cancers. The aim of this Technical Brief was to survey the evidence on particle beam radiotherapy. Most types of cancer radiotherapy use ionizing photon (X-ray or gamma-ray) beams for the local or regional treatment of disease. Ionizing radiation damages the DNA of tumor and healthy cells alike, triggering complex biochemical reactions and eventually resulting in prolonged abnormal cell function and cellular death. Ionizing radiation is harmful to all tissues, malignant or healthy. In clinical practice, lethal tumor doses are not always achievable because of radiation-induced morbidity to normal tissues. Radiation therapists aim to maximize dose (and damage) to the target tumor and minimize radiation-induced morbidity to adjacent healthy tissues. This is generally achieved by targeting the beam to the tumor area through paths that spare nearby critical and radiosensitive anatomic structures; selecting multiple fields that cross in the tumor area through different paths, to avoid overexposing the same healthy tissues; and by partitioning the total dose in fractions (small amounts) over successive sessions. Because healthy tissues recover better and faster than malignant ones, with each radiotherapy session the accumulated cellular damage in the targeted tumor increases, while normal tissues are given the opportunity to repair. An alternative treatment modality is charged particle radiotherapy, which uses beams of protons or other charged particles such as helium, carbon or other ions instead of photons. They deposit most of their energy in the last final millimeters of their trajectory. This results in a sharp and localized peak of dose, known as the Bragg peak. The initial energy of the charged particles determines how deep in the body the Bragg peak will form. The intensity of the beam determines the dose that will be deposited to the tissues. By adjusting the energy of the charged particles and by adjusting the intensity of the beam one can deliver prespecified doses anywhere in the patient's body with high precision. As with photon therapy, the biological effects of charged particle beams increase with radiation dose. Because charged particles interact with tissues in different ways than photons, the same amount of radiation can have more pronounced biologic effects when delivered as charged particles. The Agency for Healthcare Research and Quality (AHRQ) requested a Technical Brief on the role of particle beam radiotherapy for the treatment of cancer conditions. Key Questions include: KQ1: 1.a. What are the different particle beam radiation therapies that have been proposed to be used on cancer? 1.b. What are the theoretical advantages and disadvantages of these therapies compared to other radiation therapies that are currently used for cancer treatment? 1.c. What are the potential safety issues and harms of the use of particle beam radiation therapy? KQ2: 2.a. What instrumentation is needed for particle beam radiation and what is the Food and Drug Administration (FDA) status of this instrumentation? 2.b. What is an estimate of the number of hospitals that currently have the instrumentation or are planning to build instrumentation for these therapies in the US? 2.c. What instrumentation technologies are in development? KQ3: Perform a systematic literature scan on studies on the use and safety of these therapies in cancer, with a synthesis of the following variables: 3.a. Type of cancer and patient eligibility criteria 3.b. Type of radiation, instrumentation and algorithms used 3.c. Study design and size 3.d. Comparator used in comparative studies. 3.e. Length of followup 3.f. Concurrent or prior treatments 3.g. Outcomes measured 3.h. Adverse events, harms and safety issues reported
ISBN: 1484907930
ISBN13: 9781484907931
Author: U. S. Department of Health and Human Services, Agency for Healthcare Research and Quality
Publisher: CreateSpace Independent Publishing Platform
Format: Paperback
PublicationDate: 2013-05-06
Language: English
PageCount: 100
Dimensions: 8.5 x 0.23 x 11.0 inches
Weight: 9.12 ounces
Radiotherapy with charged particles can potentially deliver maximal doses while minimizing irradiation of surrounding tissues. It may be more effective or less harmful than other forms of radiotherapy for some cancers. The aim of this Technical Brief was to survey the evidence on particle beam radiotherapy. Most types of cancer radiotherapy use ionizing photon (X-ray or gamma-ray) beams for the local or regional treatment of disease. Ionizing radiation damages the DNA of tumor and healthy cells alike, triggering complex biochemical reactions and eventually resulting in prolonged abnormal cell function and cellular death. Ionizing radiation is harmful to all tissues, malignant or healthy. In clinical practice, lethal tumor doses are not always achievable because of radiation-induced morbidity to normal tissues. Radiation therapists aim to maximize dose (and damage) to the target tumor and minimize radiation-induced morbidity to adjacent healthy tissues. This is generally achieved by targeting the beam to the tumor area through paths that spare nearby critical and radiosensitive anatomic structures; selecting multiple fields that cross in the tumor area through different paths, to avoid overexposing the same healthy tissues; and by partitioning the total dose in fractions (small amounts) over successive sessions. Because healthy tissues recover better and faster than malignant ones, with each radiotherapy session the accumulated cellular damage in the targeted tumor increases, while normal tissues are given the opportunity to repair. An alternative treatment modality is charged particle radiotherapy, which uses beams of protons or other charged particles such as helium, carbon or other ions instead of photons. They deposit most of their energy in the last final millimeters of their trajectory. This results in a sharp and localized peak of dose, known as the Bragg peak. The initial energy of the charged particles determines how deep in the body the Bragg peak will form. The intensity of the beam determines the dose that will be deposited to the tissues. By adjusting the energy of the charged particles and by adjusting the intensity of the beam one can deliver prespecified doses anywhere in the patient's body with high precision. As with photon therapy, the biological effects of charged particle beams increase with radiation dose. Because charged particles interact with tissues in different ways than photons, the same amount of radiation can have more pronounced biologic effects when delivered as charged particles. The Agency for Healthcare Research and Quality (AHRQ) requested a Technical Brief on the role of particle beam radiotherapy for the treatment of cancer conditions. Key Questions include: KQ1: 1.a. What are the different particle beam radiation therapies that have been proposed to be used on cancer? 1.b. What are the theoretical advantages and disadvantages of these therapies compared to other radiation therapies that are currently used for cancer treatment? 1.c. What are the potential safety issues and harms of the use of particle beam radiation therapy? KQ2: 2.a. What instrumentation is needed for particle beam radiation and what is the Food and Drug Administration (FDA) status of this instrumentation? 2.b. What is an estimate of the number of hospitals that currently have the instrumentation or are planning to build instrumentation for these therapies in the US? 2.c. What instrumentation technologies are in development? KQ3: Perform a systematic literature scan on studies on the use and safety of these therapies in cancer, with a synthesis of the following variables: 3.a. Type of cancer and patient eligibility criteria 3.b. Type of radiation, instrumentation and algorithms used 3.c. Study design and size 3.d. Comparator used in comparative studies. 3.e. Length of followup 3.f. Concurrent or prior treatments 3.g. Outcomes measured 3.h. Adverse events, harms and safety issues reported

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Overview
Radiotherapy with charged particles can potentially deliver maximal doses while minimizing irradiation of surrounding tissues. It may be more effective or less harmful than other forms of radiotherapy for some cancers. The aim of this Technical Brief was to survey the evidence on particle beam radiotherapy. Most types of cancer radiotherapy use ionizing photon (X-ray or gamma-ray) beams for the local or regional treatment of disease. Ionizing radiation damages the DNA of tumor and healthy cells alike, triggering complex biochemical reactions and eventually resulting in prolonged abnormal cell function and cellular death. Ionizing radiation is harmful to all tissues, malignant or healthy. In clinical practice, lethal tumor doses are not always achievable because of radiation-induced morbidity to normal tissues. Radiation therapists aim to maximize dose (and damage) to the target tumor and minimize radiation-induced morbidity to adjacent healthy tissues. This is generally achieved by targeting the beam to the tumor area through paths that spare nearby critical and radiosensitive anatomic structures; selecting multiple fields that cross in the tumor area through different paths, to avoid overexposing the same healthy tissues; and by partitioning the total dose in fractions (small amounts) over successive sessions. Because healthy tissues recover better and faster than malignant ones, with each radiotherapy session the accumulated cellular damage in the targeted tumor increases, while normal tissues are given the opportunity to repair. An alternative treatment modality is charged particle radiotherapy, which uses beams of protons or other charged particles such as helium, carbon or other ions instead of photons. They deposit most of their energy in the last final millimeters of their trajectory. This results in a sharp and localized peak of dose, known as the Bragg peak. The initial energy of the charged particles determines how deep in the body the Bragg peak will form. The intensity of the beam determines the dose that will be deposited to the tissues. By adjusting the energy of the charged particles and by adjusting the intensity of the beam one can deliver prespecified doses anywhere in the patient's body with high precision. As with photon therapy, the biological effects of charged particle beams increase with radiation dose. Because charged particles interact with tissues in different ways than photons, the same amount of radiation can have more pronounced biologic effects when delivered as charged particles. The Agency for Healthcare Research and Quality (AHRQ) requested a Technical Brief on the role of particle beam radiotherapy for the treatment of cancer conditions. Key Questions include: KQ1: 1.a. What are the different particle beam radiation therapies that have been proposed to be used on cancer? 1.b. What are the theoretical advantages and disadvantages of these therapies compared to other radiation therapies that are currently used for cancer treatment? 1.c. What are the potential safety issues and harms of the use of particle beam radiation therapy? KQ2: 2.a. What instrumentation is needed for particle beam radiation and what is the Food and Drug Administration (FDA) status of this instrumentation? 2.b. What is an estimate of the number of hospitals that currently have the instrumentation or are planning to build instrumentation for these therapies in the US? 2.c. What instrumentation technologies are in development? KQ3: Perform a systematic literature scan on studies on the use and safety of these therapies in cancer, with a synthesis of the following variables: 3.a. Type of cancer and patient eligibility criteria 3.b. Type of radiation, instrumentation and algorithms used 3.c. Study design and size 3.d. Comparator used in comparative studies. 3.e. Length of followup 3.f. Concurrent or prior treatments 3.g. Outcomes measured 3.h. Adverse events, harms and safety issues reported
ISBN: 1484907930
ISBN13: 9781484907931
Author: U. S. Department of Health and Human Services, Agency for Healthcare Research and Quality
Publisher: CreateSpace Independent Publishing Platform
Format: Paperback
PublicationDate: 2013-05-06
Language: English
PageCount: 100
Dimensions: 8.5 x 0.23 x 11.0 inches
Weight: 9.12 ounces
Radiotherapy with charged particles can potentially deliver maximal doses while minimizing irradiation of surrounding tissues. It may be more effective or less harmful than other forms of radiotherapy for some cancers. The aim of this Technical Brief was to survey the evidence on particle beam radiotherapy. Most types of cancer radiotherapy use ionizing photon (X-ray or gamma-ray) beams for the local or regional treatment of disease. Ionizing radiation damages the DNA of tumor and healthy cells alike, triggering complex biochemical reactions and eventually resulting in prolonged abnormal cell function and cellular death. Ionizing radiation is harmful to all tissues, malignant or healthy. In clinical practice, lethal tumor doses are not always achievable because of radiation-induced morbidity to normal tissues. Radiation therapists aim to maximize dose (and damage) to the target tumor and minimize radiation-induced morbidity to adjacent healthy tissues. This is generally achieved by targeting the beam to the tumor area through paths that spare nearby critical and radiosensitive anatomic structures; selecting multiple fields that cross in the tumor area through different paths, to avoid overexposing the same healthy tissues; and by partitioning the total dose in fractions (small amounts) over successive sessions. Because healthy tissues recover better and faster than malignant ones, with each radiotherapy session the accumulated cellular damage in the targeted tumor increases, while normal tissues are given the opportunity to repair. An alternative treatment modality is charged particle radiotherapy, which uses beams of protons or other charged particles such as helium, carbon or other ions instead of photons. They deposit most of their energy in the last final millimeters of their trajectory. This results in a sharp and localized peak of dose, known as the Bragg peak. The initial energy of the charged particles determines how deep in the body the Bragg peak will form. The intensity of the beam determines the dose that will be deposited to the tissues. By adjusting the energy of the charged particles and by adjusting the intensity of the beam one can deliver prespecified doses anywhere in the patient's body with high precision. As with photon therapy, the biological effects of charged particle beams increase with radiation dose. Because charged particles interact with tissues in different ways than photons, the same amount of radiation can have more pronounced biologic effects when delivered as charged particles. The Agency for Healthcare Research and Quality (AHRQ) requested a Technical Brief on the role of particle beam radiotherapy for the treatment of cancer conditions. Key Questions include: KQ1: 1.a. What are the different particle beam radiation therapies that have been proposed to be used on cancer? 1.b. What are the theoretical advantages and disadvantages of these therapies compared to other radiation therapies that are currently used for cancer treatment? 1.c. What are the potential safety issues and harms of the use of particle beam radiation therapy? KQ2: 2.a. What instrumentation is needed for particle beam radiation and what is the Food and Drug Administration (FDA) status of this instrumentation? 2.b. What is an estimate of the number of hospitals that currently have the instrumentation or are planning to build instrumentation for these therapies in the US? 2.c. What instrumentation technologies are in development? KQ3: Perform a systematic literature scan on studies on the use and safety of these therapies in cancer, with a synthesis of the following variables: 3.a. Type of cancer and patient eligibility criteria 3.b. Type of radiation, instrumentation and algorithms used 3.c. Study design and size 3.d. Comparator used in comparative studies. 3.e. Length of followup 3.f. Concurrent or prior treatments 3.g. Outcomes measured 3.h. Adverse events, harms and safety issues reported

Books - New and Used

The following guidelines apply to books:

  • New: A brand-new copy with cover and original protective wrapping intact. Books with markings of any kind on the cover or pages, books marked as "Bargain" or "Remainder," or with any other labels attached, may not be listed as New condition.
  • Used - Good: All pages and cover are intact (including the dust cover, if applicable). Spine may show signs of wear. Pages may include limited notes and highlighting. May include "From the library of" labels. Shrink wrap, dust covers, or boxed set case may be missing. Item may be missing bundled media.
  • Used - Acceptable: All pages and the cover are intact, but shrink wrap, dust covers, or boxed set case may be missing. Pages may include limited notes, highlighting, or minor water damage but the text is readable. Item may but the dust cover may be missing. Pages may include limited notes and highlighting, but the text cannot be obscured or unreadable.

Note: Some electronic material access codes are valid only for one user. For this reason, used books, including books listed in the Used – Like New condition, may not come with functional electronic material access codes.

Shipping Fees

  • Stevens Books offers FREE SHIPPING everywhere in the United States for ALL non-book orders, and $3.99 for each book.
  • Packages are shipped from Monday to Friday.
  • No additional fees and charges.

Delivery Times

The usual time for processing an order is 24 hours (1 business day), but may vary depending on the availability of products ordered. This period excludes delivery times, which depend on your geographic location.

Estimated delivery times:

  • Standard Shipping: 5-8 business days
  • Expedited Shipping: 3-5 business days

Shipping method varies depending on what is being shipped.  

Tracking
All orders are shipped with a tracking number. Once your order has left our warehouse, a confirmation e-mail with a tracking number will be sent to you. You will be able to track your package at all times. 

Damaged Parcel
If your package has been delivered in a PO Box, please note that we are not responsible for any damage that may result (consequences of extreme temperatures, theft, etc.). 

If you have any questions regarding shipping or want to know about the status of an order, please contact us or email to support@stevensbooks.com.

You may return most items within 30 days of delivery for a full refund.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Several types of goods are exempt from being returned. Perishable goods such as food, flowers, newspapers or magazines cannot be returned. We also do not accept products that are intimate or sanitary goods, hazardous materials, or flammable liquids or gases.

Additional non-returnable items:

  • Gift cards
  • Downloadable software products
  • Some health and personal care items

To complete your return, we require a tracking number, which shows the items which you already returned to us.
There are certain situations where only partial refunds are granted (if applicable)

  • Book with obvious signs of use
  • CD, DVD, VHS tape, software, video game, cassette tape, or vinyl record that has been opened
  • Any item not in its original condition, is damaged or missing parts for reasons not due to our error
  • Any item that is returned more than 30 days after delivery

Items returned to us as a result of our error will receive a full refund,some returns may be subject to a restocking fee of 7% of the total item price, please contact a customer care team member to see if your return is subject. Returns that arrived on time and were as described are subject to a restocking fee.

Items returned to us that were not the result of our error, including items returned to us due to an invalid or incomplete address, will be refunded the original item price less our standard restocking fees.

If the item is returned to us for any of the following reasons, a 15% restocking fee will be applied to your refund total and you will be asked to pay for return shipping:

  • Item(s) no longer needed or wanted.
  • Item(s) returned to us due to an invalid or incomplete address.
  • Item(s) returned to us that were not a result of our error.

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.


Shipping Cost


We'll pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.). In other cases, you will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

Depending on where you live, the time it may take for your exchanged product to reach you, may vary.

If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.

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