Foot
AP/AP Axial
IR Size: 10x12 TT
SID: 40''
Page #'s: 1:252,78

Positioning:
  • Knee flexed acutely

CR Entrance & Angle:
  • at base of 3rd MT
  • For less MT foreshortening 10° posteriorly, not _|_

Collimation:
  • all Tarsals except calcaneus

Respiration:
  •

Best to Determine:
  • 2nd-5th MT bases overlapping

Anatomy to IR:
  •

Eval Criteria:
  • NR, Equal space between adjacent midshafts of 2nd-4th MT
  • Overlap of 2nd-5th MT bases
  • Phalanges, MT's & tarsals distal to talus
  • Open joint between medial & intermediate cuneiforms

AP Oblique (MR)
IR Size: 10x12 TT
SID: 40''
Page #'s: 1:256,80

Positioning:
  • Pt. Supine, Knee flexed acutely
  • Leg & Foot Medially Rotated 30° Medially
  • (For tarsal Joint Spaces 45° Medially-RARE)

CR Entrance & Angle:
  • _|_ Base of 3rd MT
  •

Collimation:
  • all Tarsals except calcaneus

Respiration:
  •

Best to Determine:
  • Profile-Sinus Tarsi, Base of 5th MT, & Cuboid

Eval Criteria:
  • No SI of 3-5 MT bases
  • Lateral tarsals with less SI than AP
  • Shown Sinus Tarsi, 5th MT tuberosity
  • Equal space between shafts of 2nd-5th MT
  • SI of 1st & 2nd MT bases on medial and intermediate cuneiforms

Lateral (ML)
IR Size: 10x12 TT
SID: 40''
Page #'s: 1:260,82

Positioning:
  • Pt lateral position on affected
  • Foot dorsiflexed 90°

CR Entrance & Angle:
  • _|_ Base of 3rd MT
  •

Collimation:
  • Distal Tib Fib

Respiration:
  •

Eval Criteria:
  • Nearly SI MTs
  • Fibula overlaps posterior part of tibia
  • Tibiotalar joint