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Lecture (13). Toes Basic Projections AP Oblique. AP Toes. Exposure Factors. Patient position Supine or seated on table Knees flexed with feet separate. Part position Center toes with plantar surface flat Against cassette Central Ray 15 degrees towards heal Center Point
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Toes • Basic Projections • AP • Oblique AP Toes Exposure Factors • Patient position • Supine or seated on table • Knees flexed with feet separate
Part position • Center toes with plantar surface flat Against cassette • Central Ray 15 degrees towards heal • Center Point • 3rd metatarsophalangeal joint • Structure shown • Metatarsals & phalanges
Patient position Supine or seated on table Knees flexed with feet separated Part position Center toes with plantar surface flat Against cassette Medially rotate leg&foot30-45 degrees Central Ray Perpendicular Center Point 2 nd metatarcophalangeal joint Structure shown metatarsals & phalangesOblique view of • Oblique Toes
Calcaneus • Basic Projections Lateral Axial Lateral Calcaneus Exposure Factors Patient Position lying upon affected side Adjust leg & foot in lateral position Part position Adjust patella perpendicular to table Adjust plantar surface perpendicular Center Calcaneus to cassette
Central Ray Perpendicular • Center Point Mid point of Calcaneus • Structure shown Lateral view Calcaneus, talus and distal tibia &fibula
Exposure Factors • Axial Calcaneus • Patient Position • ٍSupine or seated • Leg fully extended • Part position • Adjust cassette to ankle • Adjust plantar surface perpendicular • Center Calcaneus to cassette
Central Ray 40 degrees cephalic to long axis of foot • Center Point In midline at level of 5th metatarsal • Structure shown Axial view Calcaneus & Talo-calceneal joint