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Study sets matching "radiation oncology cancer"

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Study sets matching "radiation oncology cancer"

Radiation Therapy (radiation oncology) Cancer
brachytherapy
electron beams
external beam irradiation
fields
Implantation of small, sealed containers or seeds of radioact…
Low-energy beams for treatment of the skin or surface tumors.
external beam irradiation-- Radiation therapy applied to a tu…
Dimensions of the of radiation area uses to treat a tumor fro…
brachytherapy
Implantation of small, sealed containers or seeds of radioact…
electron beams
Low-energy beams for treatment of the skin or surface tumors.
119 terms
Cancer (Oncology) & Radiation Test
The percent of cancers that could be p…
Apoptosis is also known as:
The type of gene that prevents the tra…
PCBs, dioxins, and arsenic are example…
more than 50%
PCD
TS
environmental carcinogens
The percent of cancers that could be p…
more than 50%
Apoptosis is also known as:
PCD
23 terms
Oncology: Prostate Cancer (radiation)
What are 3 types of external beam radi…
What is external beam radiotherapy (EB…
What is CRT?
What is IMRT?
1) 3-D radiation therapy (3DRT)... 2) Intensity modulated radiat…
Uses a linear accelerator to deliver photon beams to target t…
Also called conformal RT (CRT). Uses imaging (CT) and simulat…
Uses the same targeting as 3DRT, but also can adjust strength…
What are 3 types of external beam radi…
1) 3-D radiation therapy (3DRT)... 2) Intensity modulated radiat…
What is external beam radiotherapy (EB…
Uses a linear accelerator to deliver photon beams to target t…
Cancer (Oncology) & Radiation Test
The percent of cancers that could be p…
Apoptosis is also known as:
The type of gene that prevents the tra…
PCBs, dioxins, and arsenic are example…
more than 50%
PCD
TS
environmental carcinogens
The percent of cancers that could be p…
more than 50%
Apoptosis is also known as:
PCD
15 terms
Cancer Treatment/Radiation- Oncology
brachytherapy
electron beams
external beam irradiation (teletherapy)
fields
implantation of small, sealed containers or seeds of radioact…
low-energy beams for treatment of skin or surface tumors
radiation therapy applied to a tumor from a distant source (l…
dimensions of the size of radiation area used to treat a tumo…
brachytherapy
implantation of small, sealed containers or seeds of radioact…
electron beams
low-energy beams for treatment of skin or surface tumors
9 terms
Prostate Cancer - Radiation Oncology
Indications for external beam radiothe…
Factors predicting recurrence followin…
Acute side effects of radiation
Late side effects of radiation
Curative treatment in localized prostate cancer... In combinatio…
Penetration through capsule... Seminal vesicle involvement... Posit…
Tiredness... Urinary... Skin... Epilation... Rectal
Urinary... Rectal... Skeletal... Skin... ED
Indications for external beam radiothe…
Curative treatment in localized prostate cancer... In combinatio…
Factors predicting recurrence followin…
Penetration through capsule... Seminal vesicle involvement... Posit…
25 terms
Cancer Medicine (Oncology): Radiation Therapy
Radiation Therapy
irradiation
brachytherapy
electron beams
the goal is to deliver a maximal dose of ionizing radiation t…
exposure of tissue to radiation
implantation of small, sealed containers or seeds of radioact…
low-energy beams for treatment of skin or surface tumors
Radiation Therapy
the goal is to deliver a maximal dose of ionizing radiation t…
irradiation
exposure of tissue to radiation
15 terms
LOM: Ch. 19, Cancer Treatment: Radiation Therapy (Radiation Oncology)
brachytherapy
electron beams
external beam irradiation (teletherapy)
fields
Implantation of small, sealed containers of seeds of radioact…
Low-energy beams for treatment of skin or surface tumors.
Radiation therapy applied to a tumor from a distant source (l…
Dimensions of the size of radiation area used to treat a tumo…
brachytherapy
Implantation of small, sealed containers of seeds of radioact…
electron beams
Low-energy beams for treatment of skin or surface tumors.
20 terms
Intro to Radiation Oncology/CPC/Approach to cancer patient
Can radiotherapy cure cancer?
What does radiation cause?
What is grade?Stage?
Good (Low grade) path, prognosis
Yes
double strand breaks which causes apoptosis
Grade—how fast does the tumor grow?... Stage—where has it spread?
Follicular Small Cell, Median Survival 10 yrs (incurable)
Can radiotherapy cure cancer?
Yes
What does radiation cause?
double strand breaks which causes apoptosis
15 terms
Radiation Therapy Patho Oncology Gallbladder Cancer
What is the most common cancer of the…
Bile found in the gallbladder is produ…
The risk for gallbladder cancer increa…
Gallbladder cancer is often to referre…
Gallbladder cancer
Liver
Age
"Incidental" or "Non-incidental"
What is the most common cancer of the…
Gallbladder cancer
Bile found in the gallbladder is produ…
Liver
10 terms
Radiation Therapy Patho Oncology- Pancreatic Cancer
The majority of patients with pancreat…
When most pancreatic cases are caught…
To date, what is the only potentially…
The pancreas can be described as being…
Advanced, nonresectable disease
Tumor obstructs a bile duct or other significant structure in…
Surgical resection
In the "C loop"
The majority of patients with pancreat…
Advanced, nonresectable disease
When most pancreatic cases are caught…
Tumor obstructs a bile duct or other significant structure in…
20 terms
Radiation Therapy Patho Oncology- Colorectal and Anal Cancer
What is hematochezia?
Which imaging study is most commonly u…
What body position are patients common…
What is the significance of having a f…
Blood in the stool
Colonoscopy
Prone
To displace the small bowel
What is hematochezia?
Blood in the stool
Which imaging study is most commonly u…
Colonoscopy
13 terms
Radiation Oncology: Prostate Cancer Ch. 28
The prostate is divided into the...
Peripheral Zone
Central Zone
Transition Zone
Peripheral zone, transition zone, central zone, and the anter…
Constitutes 70% of the prostate gland and is readily palpated…
The ejaculatory ducts course through the central zone to the…
Consists of two lateral opposing glandular regions around the…
The prostate is divided into the...
Peripheral zone, transition zone, central zone, and the anter…
Peripheral Zone
Constitutes 70% of the prostate gland and is readily palpated…
62 terms
Radiation Oncology (221 Oncology)
Radiation HX
Radiation
How are X-Rays generated?
Matching Treatment to Patient
• 1895. Wilhelm Conrad Roentgen discovers X-rays... • 1896. Henr…
The propagation of energy through space or matter. It... can be…
Radiation HX
• 1895. Wilhelm Conrad Roentgen discovers X-rays... • 1896. Henr…
Radiation
The propagation of energy through space or matter. It... can be…
8 terms
Week 30 - 4 - Radiation Oncology of Prostate Cancer
What is the benefit of adjuvant and sa…
What are factors predicting recurrence…
What are acute s/e of radiation?
What are late s/e of radiatioN?
No benefit to overall survival... Biologic progression free surv…
Penetration through capsule!... Seminal vesicle involvement!... Pos…
Tiredness... Urinary ... Skin... Epilation... Rectal
Urinary... Rectal... Skeletal... Skin... ED
What is the benefit of adjuvant and sa…
No benefit to overall survival... Biologic progression free surv…
What are factors predicting recurrence…
Penetration through capsule!... Seminal vesicle involvement!... Pos…
48 terms
Oncology: Radiation oncology
Radiation
Lower energy radiation
Electron beams
Photons
Propagation of energy through space or matter in the form of…
More shallow penetration
Absorbed w/in few centimeters... SHALLOW AREAS
Max depth w/in few centimeters, long tail... DEEP TISSUES
Radiation
Propagation of energy through space or matter in the form of…
Lower energy radiation
More shallow penetration
24 terms
radiation oncology
steps of radiotherapy
photon curve
electron curve
proton curve
1. consultation 2. CT simulation (positioning, tattoos) 3. pl…
higher energy -> deeper penetration, greater surface sparing
higher energy -> deeper penetration, lower surface sparing
Bragg peak
steps of radiotherapy
1. consultation 2. CT simulation (positioning, tattoos) 3. pl…
photon curve
higher energy -> deeper penetration, greater surface sparing
480 terms
Radiation Physics/Radiation Oncology
Electron output depends on...
Embryo-Fetus Exposures
KERMA
LET
Jaw Settings
Total Dose Equivalent = 5mSV = 0.5rem... Monthly Dose Equivalent…
Kinetic Energy Released in Matter... KERMA = E transferred from…
Linear Energy Transfer... Highest for charged particles
Electron output depends on...
Jaw Settings
Embryo-Fetus Exposures
Total Dose Equivalent = 5mSV = 0.5rem... Monthly Dose Equivalent…
77 terms
Radiation Oncology
absorbed dose
accelerator particle
asymmetric jaws
attenuation
amount of ionizing radiation absorbed per unit of mass of irr…
device that accelerates charged subatomic particles to great…
four independent x-ray collimators that are used to define ra…
removal of energy from a beam of ionizing radiation when it t…
absorbed dose
amount of ionizing radiation absorbed per unit of mass of irr…
accelerator particle
device that accelerates charged subatomic particles to great…
62 terms
Radiation Oncology (221 Oncology)
Radiation HX
Radiation
How are X-Rays generated?
Matching Treatment to Patient
• 1895. Wilhelm Conrad Roentgen discovers X-rays... • 1896. Henr…
The propagation of energy through space or matter. It... can be…
Radiation HX
• 1895. Wilhelm Conrad Roentgen discovers X-rays... • 1896. Henr…
Radiation
The propagation of energy through space or matter. It... can be…
33 terms
Radiation Oncology
G0
G1
S
G2
Cell at rest
RNA and proteins made for dividing
Synthesis (DNA is made for new cells)
Apparatus of mitosis is built
G0
Cell at rest
G1
RNA and proteins made for dividing
8 terms
Radiation Oncology
What is radiation oncology?
Describe the importance of oxygen in r…
What is fractionation of treatment? Wh…
What are the 5 R's of fractionation? D…
The treatment of cancer with high energy X-ray beams
Cells in the centre of the tumour are more anoxic. Oxygenated…
Fractionation is dividing treatment over a period of time.... I…
Repair - of cellular injury... Repopulation - of surviving viabl…
What is radiation oncology?
The treatment of cancer with high energy X-ray beams
Describe the importance of oxygen in r…
Cells in the centre of the tumour are more anoxic. Oxygenated…
107 terms
Radiation Oncology
How common are bone metastases?
Why are bone mets of concern?
What causes bone metastasis?
What is significant about bone metasta…
Quite common, of those with metastatic disease, about 50% hav…
They cause severe and often disabling pain, lead to pathologi…
Migration of cancer cells to bone.
Patients with bone mets are usually incurable.
How common are bone metastases?
Quite common, of those with metastatic disease, about 50% hav…
Why are bone mets of concern?
They cause severe and often disabling pain, lead to pathologi…
15 terms
Radiation Oncology
Define fractionated radiation
Define hypofractionated radiation
Describe how radiation therapies work
What areas are electron beams best use…
Giving multiple treatments over a long period of time instead…
A large of radiation for a shorter period of time; used only…
Electrons hit the Tungsten anode and a high energy photon com…
Shallow areas
Define fractionated radiation
Giving multiple treatments over a long period of time instead…
Define hypofractionated radiation
A large of radiation for a shorter period of time; used only…
20 terms
Radiation Oncology
What is this? The treatment of cancer…
Repairable or lethal? Single strand DN…
Repairable or lethal? Double strand DN…
True or false. Bigger tumours have mor…
Radiation Oncology (radiations power is in the ability to cau…
Single
Lethal
False (they are more resistant to radiation)
What is this? The treatment of cancer…
Radiation Oncology (radiations power is in the ability to cau…
Repairable or lethal? Single strand DN…
Single
326 terms
Intro to Cancer, Medical Oncology, Radiation Oncology, Leukemia, Lymphoma, Plasma Cell Disorders, Cytogenetics, Fungal Pathogens, Palliative Care
Growth adaptations
Hyperplasia, hypertrophy, atrophy, met…
Hypertrophy and hyperplasia; generally…
Hyperplasia
An organ is in homeostasis with physiologic stress placed on…
Examples of growth adaptations
An increase in stress on an organ leads to what? Do they gene…
Increase in cell number, involving the production of new ce…
Growth adaptations
An organ is in homeostasis with physiologic stress placed on…
Hyperplasia, hypertrophy, atrophy, met…
Examples of growth adaptations
54 terms
Radiation Oncology
Radiation oncology is for the _.
Tumors and lesions are treated using _.
The goal is to deliver the needed dose…
Surgical sampling of tissue is called…
Treatment of cancer
Canericidal doses
Normal tissue
Biopsy
Radiation oncology is for the _.
Treatment of cancer
Tumors and lesions are treated using _.
Canericidal doses
480 terms
Radiation Physics -- Radiation Oncology
Electron output depends on...
Embryo-Fetus Exposures
KERMA
LET
Jaw Settings
Total Dose Equivalent = 5mSV = 0.5rem... Monthly Dose Equivalent…
Kinetic Energy Released in Matter... KERMA = E transferred from…
Linear Energy Transfer... Highest for charged particles
Electron output depends on...
Jaw Settings
Embryo-Fetus Exposures
Total Dose Equivalent = 5mSV = 0.5rem... Monthly Dose Equivalent…
480 terms
Radiation Physics -- Radiation Oncology
Electron output depends on...
Embryo-Fetus Exposures
KERMA
LET
Jaw Settings
Total Dose Equivalent = 5mSV = 0.5rem... Monthly Dose Equivalent…
Kinetic Energy Released in Matter... KERMA = E transferred from…
Linear Energy Transfer... Highest for charged particles
Electron output depends on...
Jaw Settings
Embryo-Fetus Exposures
Total Dose Equivalent = 5mSV = 0.5rem... Monthly Dose Equivalent…
7 terms
Radiation Oncology
radiation oncology
radiation therapy treatment plan
treatment volume
radiation therapy types
- therapeutic application of ionizing radiation... - administer…
1. decide if radiation indicated... 2. decide if cure or palliat…
***determine volume of tissue needed to be irradiated... - exten…
1. teletherapy:... - radiation through space... 2. brachytherapy:... -…
radiation oncology
- therapeutic application of ionizing radiation... - administer…
radiation therapy treatment plan
1. decide if radiation indicated... 2. decide if cure or palliat…
72 terms
Radiation Oncology
one of three principle modalities used…
in radiation therapy, malignancies, tu…
A physician who specializes in the tre…
if a tumor is small and its margins ar…
radiation therapy
cancericidal doses
oncologist
surgical
one of three principle modalities used…
radiation therapy
in radiation therapy, malignancies, tu…
cancericidal doses
480 terms
Radiation Physics -- Radiation Oncology
Electron output depends on...
Embryo-Fetus Exposures
KERMA
LET
Jaw Settings
Total Dose Equivalent = 5mSV = 0.5rem... Monthly Dose Equivalent…
Kinetic Energy Released in Matter... KERMA = E transferred from…
Linear Energy Transfer... Highest for charged particles
Electron output depends on...
Jaw Settings
Embryo-Fetus Exposures
Total Dose Equivalent = 5mSV = 0.5rem... Monthly Dose Equivalent…
73 terms
Radiation Oncology
absorbed dose
accelerator (particle)
asymmetric jaws
attenuation
amount of ionizing radiation absorbed per unit of mass of irr…
device that accelerates charged subatomic particles to great…
four independent x-ray collimators that are used to define th…
removal of energy from a beam of ionizing radiation when it t…
absorbed dose
amount of ionizing radiation absorbed per unit of mass of irr…
accelerator (particle)
device that accelerates charged subatomic particles to great…
13 terms
Radiation Oncology
Oncologic emergencies
3 modalities for treatment of cancer
Radiation mechanism
Radiation types - external beam
-pathologic spinal cord compression... -superior vena cava syndr…
-surgery... -chemotherapy ... -radiation (60% of ppl with cancer wi…
Ionizing radiation damages DNA of cells via 2 mechanisms: ... 1.…
ionizing radiation that comes from a machine outside of the p…
Oncologic emergencies
-pathologic spinal cord compression... -superior vena cava syndr…
3 modalities for treatment of cancer
-surgery... -chemotherapy ... -radiation (60% of ppl with cancer wi…
76 terms
Radiation Oncology
Radiation
Radiation Therapy
Types of radiation
Goal of radiation
energy released in the form of particle or electromagnetic wa…
the use of high energy radiation from x-rays, gamma rays, neu…
-External beam ... -Brachytherapy... -Systemic
-deliver a precisely measured dose of irradiation to a define…
Radiation
energy released in the form of particle or electromagnetic wa…
Radiation Therapy
the use of high energy radiation from x-rays, gamma rays, neu…
27 terms
Radiation Oncology
Radiation Therapy
Ionization
Electromagnetic
Majority of radiation today
Utilizes ionizing radiation
1) Absorption of energy from radiation to biological material…
1) X-Rays : produced linear accelerators ... 2) Gamma Rays: Prod…
1) Linear accelerators... 2) Beam: 6-18 MV
Radiation Therapy
Utilizes ionizing radiation
Ionization
1) Absorption of energy from radiation to biological material…
84 terms
Oncology/Radiation
The type of exam in which a person eva…
Chemotherapy can adversely affect the…
The type of gene that prevents the tra…
Monthly self-examination should be don…
self-exam
anemia and clotting problems
TS (tumor supressor)
breasts, testicles, and skin
The type of exam in which a person eva…
self-exam
Chemotherapy can adversely affect the…
anemia and clotting problems
71 terms
Radiation Oncology
absorbed dose
accelerator (particle)
asymmetric jaws
attenuation
amount of ionizing radiation absorbed per unit of mass of irr…
device that accelerates charge subatomic particles to great e…
four independent xray collimators that are used to define rad…
removal of energy from a beam of ionizing radiation when it t…
absorbed dose
amount of ionizing radiation absorbed per unit of mass of irr…
accelerator (particle)
device that accelerates charge subatomic particles to great e…
21 terms
Radiation Oncology
Types of radiation
Goals of radiation
Curative radiation
Palliative Radiation
1. External Beam ... 2. Brachytherapy... 3. Systemic
1. Deliver a precisely measured dose of irradiation to a defi…
probability of long term survival following treatment, same s…
No hope of survival following treatment, treatment required f…
Types of radiation
1. External Beam ... 2. Brachytherapy... 3. Systemic
Goals of radiation
1. Deliver a precisely measured dose of irradiation to a defi…
29 terms
Radiation Oncology
A method of delivering radiation inter…
Uses a relatively intense source of ra…
Backbone of rad onc; 90% of what they do
Also called implants, this radiation t…
Electronic Brachytherapy
HDR (High-Dose-Rate) brachytherapy... -more convenient for patie…
External Beam Radiation Therapy aka TELETHERAPY
BRACHYTHERAPY... ex. IORT for case 1
A method of delivering radiation inter…
Electronic Brachytherapy
Uses a relatively intense source of ra…
HDR (High-Dose-Rate) brachytherapy... -more convenient for patie…
61 terms
Radiation Oncology
What is radiation therapy or radiother…
How is radiation therapy given?
The National Cancer Institute states t…
Radiation therapy can also be combined…
cancer treatment that uses high doses of radiation or x-rays…
External = uses a machine to aim radiation or x-rays to a tar…
60
Chemotherapy and Surgery
What is radiation therapy or radiother…
cancer treatment that uses high doses of radiation or x-rays…
How is radiation therapy given?
External = uses a machine to aim radiation or x-rays to a tar…
15 terms
Radiation oncology
What is radiotherapy
Types of radiotherapy (3)
Curative treatment
Palliative treatment
The use of radiation to treat cancer and some non-malignant g…
-KV (kilovolts) - low dose external beam, mostly used for sup…
Where the patient has the probability of long term survival a…
Specifically directed to help improve symptoms of advanced di…
What is radiotherapy
The use of radiation to treat cancer and some non-malignant g…
Types of radiotherapy (3)
-KV (kilovolts) - low dose external beam, mostly used for sup…
19 terms
radiation oncology
ionization
electromagnetic ionizing radiation
gamma rays
x-rays
enough energy to eject orbital electrons from atom; ionizing…
x-rays or gamma rays
produced spontaneously from elements such as cobalt and radium
produced from linear accelerators (most clinical radiation),…
ionization
enough energy to eject orbital electrons from atom; ionizing…
electromagnetic ionizing radiation
x-rays or gamma rays
21 terms
Radiation oncology
Name types of raditation
Goal of radiation:
Anticipated results of radiation
Curative radiation therapy:
-external beam... -brachytherapy... -systemic
-deliver a precisely measured dose of irradiation to a define…
- Eradication of the tumor... - High quality of life... - Reduced r…
probability of long term survival following treatment... -some s…
Name types of raditation
-external beam... -brachytherapy... -systemic
Goal of radiation:
-deliver a precisely measured dose of irradiation to a define…
13 terms
Radiation Oncology
Chernkoff radiation in patient
Direct vs Indirect... -explain... -which is…
Radiation takes advantage of chromatin?
Radiation and cell cycle effectiveness…
causes water to be blue... some patients see blue when treated…
Direct - photon hits DNA, less common... Indirect - photon hits…
in dividing cells, chromatin is 1000x greater cross section
most effective at mitosis - DNA unwound and unbound
Chernkoff radiation in patient
causes water to be blue... some patients see blue when treated…
Direct vs Indirect... -explain... -which is…
Direct - photon hits DNA, less common... Indirect - photon hits…
90 terms
Radiation Oncology
What is the leading cancer for male?
What is the leading cancer for female?
What is radiation oncology?
What are non-cancerous and treated wit…
1. prostate... 2. lung
1. lung... 2. breast... 3. cervical
treating cancer patients with radiation
1. eye problems... 2. meningiomas... 3. hemangiomas
What is the leading cancer for male?
1. prostate... 2. lung
What is the leading cancer for female?
1. lung... 2. breast... 3. cervical
14 terms
Radiation Oncology
Definitive radiation
Palliative radiation
Ionizing radiation
How does radiation kill cells?
curative radiation therapy
relief of clinical signs=improved quality of life... not 'cured'
-high energy radiation... -localized release of large amounts of…
localized release of large amount of energy disrupt cell *DNA…
Definitive radiation
curative radiation therapy
Palliative radiation
relief of clinical signs=improved quality of life... not 'cured'
28 terms
Radiation Oncology
CRT
SRS
SBRT
Palliative radiation tehrapy
Conformal Radiation Therapy
Sterostatic Radio surgery- tightly focused radiation beams
Sterostatic Body radiation therapy - extracranial tightly foc…
specific , short term goal to relieve pain or symptoms of can…
CRT
Conformal Radiation Therapy
SRS
Sterostatic Radio surgery- tightly focused radiation beams
45 terms
radiation Oncology
What is the purpose of radiation thera…
What is a role for a radiation therapi…
What percentage of diagnosed cancer ca…
Teletherapy is an example of what type…
all of the above
Treatment simulation and delivery
50%
external
What is the purpose of radiation thera…
all of the above
What is a role for a radiation therapi…
Treatment simulation and delivery
20 terms
Radiation oncology
What is the most treatable chronic dis…
What is ionizing radiation?
How does radiation result in cell death?
Most DNA damage results from ____effec…
cancer
-high energy radiation... -localized release of large amounts of…
-DNA damage... -disrupt ability to divide & make new cells:... 1.…
INDIRECT... -->oxygen is important
What is the most treatable chronic dis…
cancer
What is ionizing radiation?
-high energy radiation... -localized release of large amounts of…
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