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23 Cards in this Set

  • Front
  • Back
Name the special exams?
1 - Scanography
- Orthoroentgenography
2 - Arthography
3 - HSG Hysterosalpingography
What is scanography
The measurement of long bones
What are the 2 treatment methods of scanography?
- Control growth of normal side

- Increase growth of shorter
limb
What are the 2 different methods of performing scanography?
1 - Upper Limb

2 - Lower Limb
Describe the procedure for scanography:
- No motion

- exam both sides for comparison

- 2 lower limbs examined
simultaneously

- Use a Bell-Thompson ruler
How do you position for upper limb scanography?
shoulder - superior margin of
humeral head

Elbow Joint - 1/2 - 3/4 below
plane of humeral
epicondyles

Wrist - Midway between radial
& ulna styloid
processes
How do you position for lower limb scanography?
Hip Joints - 1" - 1"1/4 distal
& perp.to a line
drawn from the
ASIS to PS

Knee Joint - Just below
patella apex

Ankle Joint - Midway between
Malleolis
What is the principle of teleorentgegraphy?
To increase SID to reduce OID in order to reduce magnification.
What is orthoroentgenology?
A procedure to accurately determine the length of a child's limb
What is anthography?
radiographic examination of a joint after the injection of a dye-like contrast material and/or air to outline the soft tissue and joint structures on the images.
What is pneumoarthrography?
Arthography utilizing a gaseous medium
What is an opaque arthography?
A water soluble - iodinated medium (conray)
What is a double-contrast arthography?
The use of gas & water soulble
What is the most common site for arthography?
Knee
What are the 2 arthography methods for the knee?
Verticle Ray (single-contrast
knee)

Horizontal Ray double-contrast
knee
Describe the single (verticle) contrast knee method:
Requires a stress device

Widen intrastructual spaces

Contrast material around meniscus

Use fluoro

AP films taken 20 degrees Obl
Describe Double-contrast (horizontal) ray method of the knee for the medial & lateral meniscus:
small amounts of contrast

patient semiprone

manually stress the knee

CR to meniscus

turn knee 30 degees for each succeeding exposure

6 exposures total
Descibe the cruciate & lateral meniscus horizontal ray method:
knee fled 90 degrees off side of the table

forward pressure on the leg

close collimation

slight overexpose lateral
Why do we perform an HSG?
to determine size, shape, & position of the uterus & uterine tubes

to identify polps, tumor masses, & fistulous tracts

determine pregnancy
Describe the use of contrast media for an HSG:
Water soluble
Room temperature
absorbed by the body & eliminated in 2 hours
pass thru uterine tubes
Describe patient preparation for an HSG:
schedule 10 days onset of menstruation

completely empty bladder

clense area
Describe the procedure for an HSG:
Spot film

Lithotomy position (stirups)

CR 2" superior to the pubis symphysis

Doc fits attached rubber plug (acorn)

Doc applies counter-pressure with a tentaculom to prevent reflux of contrast media

Doc withdraws speculum unless its radiolucent

contrast injected
What films are taken for an HSG?
Scout

AP xray after each injection

fluoro

additional - obl, axial & lateral

Short scale of contrast