FOOT Flashcards
Use for localizing foreign body
AP/AP AXIAL PROJECTION
LATERAL PROJECTION
Central ray and reference point for AP AXIAL PROJECTION of foot?
10 degrees posteriorly at 3rd MTP JOINT
Projection for general survey of foot
AP/AP AXIAL PROJECTION
angulation of Central ray to reduce foreshortening of metatarsal
10 degrees posteriorly
What structure shown in AP OBLIQUE PROJECTION (Medial rotation)?
CUBOID, LATERAL SIDE OF FOOD
SINUS TARSI, 3rd - 5th MT BASES
5th Metacarpal Tuberosity
What structure shown in AP OBLIQUE PROJECTION (Lateral rotation)?
NAVICULAR, MEDIAL SIDE OF FOOT
1st and 2nd MT BASES
MEDIAL AND INTERMEDIATE CUNEIFORM
Demonstrates true lateral of foot?
Lateromedial Projection
Demonstrates the degree of anterior and posterior displacement
Mediolateral
Grashey Method heel rotation to demonstrate the 1st and 2nd Metatarsal
30 degrees Medially
Grashey Method heel rotation to demonstrate the interspaces 2-3, 3-4, 4-5 metatarsal
20 degrees laterally
Central ray and reference point of Grashey method?
Perpendicular 3rd MTP BASE
Best demonstrates the Pes Planus?
Lateral Weight bearing Projection of foot
angle b/n superior apex of mid calcaneus to anterior process of calcaneus
Bohler’s Critical Angle
Best demonstrates the Hallux Valgus
AP AXIAL WEIGHT BEARING
Best demonstrates the Lishfranc injury
AP AXIAL WEIGHT BEARING
What is the central ray of AP AXIAL WEIGHT BEARING
10 or 15 posteriorly b/n feet at the level of 3rd MTP BASE
How many exposure for WEIGHT-BEARING COMPOSITE METHOD
1st Exposure: tube in front 15 degrees posteriorly to MTP BASE
2nd Exposure: 25 degree anteriorly at the level of lateral malleolus
How many film are used in WEIGHT-BEARING COMPOSITE METHOD
1 only!
Demonstrates the FULL OUTLINE of the foot
WEIGHT-BEARING COMPOSITE METHOD
