Toes - Oblique (DPO)

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Radiographic Positioning

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Name of projectionToes - Oblique
Area Covered Phalanges and at least half of the length metatarsals
Pathology shownFractures, dislocation, foreign body, some pathologies such as osteoarthritis and gout
Radiographic AnatomyToes Radiographic Anatomy
IR Size & Orientation 18 x 24cm
Landscape, divided in two usually fit 2 views, use lead masking for unused area
Film / Screen Combination Detail
(CR and DR as recommended by manufacturer)
Bucky / Grid No
FilterYes - when using film a thin filter covering phalanges and distal metatarsals
Exposure 55 kVp
2.5 mAs
FFD / SID 100cm
Central Ray CR directed to metatarsophalangeal joint
Perpendicular to the IR
Collimation Four sides of collimation
Outer skin margins of foot on the sides
Upper margin to include distal phalanges, Lower margin to include metatarsals
Markers Distal and Lateral
Marker orientation AP
Shielding Gonadal (check your department's policy guidelines)
RespirationNot applicable
  • Patient supine or seated on the X-ray table or barouche
  • Knee of affected limb flexed with plantar surface of foot resting on IR
  • Ensure that MP joint(s) of the digit(s) in question are centred
  • Rotate the leg and foot 30° to 45° medially for the first, second and third digits and laterally for the fourth and fifth digits
  • Use a 45° sponge for support under elevated portion of the foot to prevent motion
  • CR directed to metatarsophalangeal joint, perpendicular to the IR

Area Covered
Special Notes