Shared Flashcard Set

Details

PA Spine TSD 100
Sim Lecture
30
Other
Not Applicable
10/08/2005

Additional Other Flashcards

 


 

Cards

Term
Spinal Cord Compression
Definition
An oncologic emergency:

tumors that involve the spinal canal

Term
metastasis to the spine
Definition
Compression of the spinal cord is most commonly caused by?
Term
Pain

weakness along the particular nerve path to the appropriate extremity

Definition
The 2 most common presenting symptoms of spinal cord compression
Term
radionuclide bone scan @ 95%
Definition
How is diagnosis of spinal cord tumors demonstrated
Term
Primary Intramedullary Neoplasm

Metastatic Intramedullary Neoplasm

Metastatic Extradural Tumors

Metastatic Tumors

Definition
name 4 histological types of spinal cord tumors
Term
Intramedullary
Definition
Within the bone marrow

Within the spinal cord

Within the medulla oblongata

Term
extradural
Definition
outside the dura mater lining
Term
Primary Intramedullary Neoplasm(s)
Definition
ependymoma

astrocytomas

unclassified gliomas

glioblastoma

meningeal tumor

miscellaneous neoplasms

Term
Metastatic Intramedullary Neoplasm
Definition
Rare occurrence arising primarily from breast or lung tumors

most involve the spinal column and skull

can cause spinal cord compression

Term
Metastatic Extradural Tumors
Definition
Most common malignancy lesion affecting the spinal cord arising from breast cancer, bronchogenic carcinomas, prostate carcinomas, testicular tumors, hypernephromas, lymphomas. These malignancies can infiltrate into the dura and into the vertebral canal. Once the lesion infiltrates into the vertebral canal, it can extend in every direction along the spinal cord.
Term
osteoblastic
Definition
bone is overactive
Term
osteolytic
Definition
bone is destroyed
Term
Lung carcinoma
Definition
The most common primary mets to bone
Term
Single course surgery

Laminectomy

Post operative radiation

cyst aspiration

Definition
Treatment for:

Primary Intramedullary Neoplasm

&

Metastatic Intramedullary Neoplasm

Term
4500-5000 cGy in 40-50 fractions
Definition
Primary Intramedullary Neoplasm

tumor dose & # of fractions

Term
3000 cGy in 12-15 fractions
Definition
Metastatic Intramedullary Neoplasm

tumor dose & # of fractions

Term
spine

or the

pelvis

Definition
The most common site(s) for metastatic bone disease
Term
TSD 100

Single Field Setup AP

Treat PA

Definition
patient cannot lay prone due to pain

what is the:

Treatment Technique/Field Arrangement

Term
Prone
Definition
in treating the spine what is the preferred patient position
Term
1 to 2

(physician preference)

Definition
Field Borders:

Superior and Inferior borders will cover between how many Vertebral bodies beyond the involved vertebrae

Term
between the vertebral bodies along the intervertebral disk
Definition
Field Borders:

borders should fall where

Term
2 cm for every vertebral body

1 cm for every intevertebral disk

Definition
Field size can be determined by estimating _____cm for every vertebral body and _____cm for every intevertebral disk to be included in the field
Term
Laterals

Single PA

Definition
Field(s) that can be used for:

Cervical spine

Term
PA

setup AP treat PA

Definition
Field(s) that can be used for:

Thoracic spine

Term
PA

setup AP Treat PA

Definition
Field(s) that can be used for:

Lumbar spine

Term
Parallel opposed spade

PA spade

Definition
Field(s) that can be used for:

Sacrum

Term
7 cervical bodies

4 cm depth

6 cm width

Definition
# of cervical bodies in the spine

approx. treatment depth

approx. treatment width

Term
12 thoracic bodies

5-6 cm depth

6-8 cm width

Definition
# of thoracic bodies in the spine

approx. treatment depth

approx. treatment width

Term
5 lumbar bodies

6-7 cm depth

6-8 cm width

Definition
# of lumbar bodies in the spine

approx. treatment depth

approx. treatment width

Term
fused bones

4-5 cm depth

12-15 cm width (spade field)

Definition
# of sacral & coccyx bodies in the spine

approx. treatment depth

approx. treatment width

Supporting users have an ad free experience!