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The Foot. The Views  AP  Oblique  Lateral Things to know  Cassette size:  10x12 lengthwise divided in half and 8 x 10  Shield  Marker  Hold still.

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Presentation on theme: "The Foot. The Views  AP  Oblique  Lateral Things to know  Cassette size:  10x12 lengthwise divided in half and 8 x 10  Shield  Marker  Hold still."— Presentation transcript:

1 The Foot

2 The Views  AP  Oblique  Lateral

3 Things to know  Cassette size:  10x12 lengthwise divided in half and 8 x 10  Shield  Marker  Hold still  Measures:

4 Part Position for AP  Place patient supine on table with foot exposed. (No Shoe or sock)  Flex the knee to place foot flat on IR  Center foot to IR with long axis of foot with long axis of IR.

5

6 Central Ray  Angled 10 degrees posterior toward heel  For every 5 Degrees angle drop SID by 1 in.  Center to Base of third metatarsal  SID 40 inches  Collimate to outer borders on all four sides

7 Seen on Radiograph  Entire foot  All phalanges, metatarsals, navicular, cuneiforms and cuboid.  No rotation as seen by the bases of the first and second metatarsals separated.  3-5 metatarsals are slightly overlapped

8 Oblique  Use the other half of cassette  Shield  Hold still  Marker in light field

9 Part position for Oblique  With foot flat against the IR.  Rotate foot medially degrees

10 Center to Base of third metatarsal SID 40 inches

11 Seen on Radiograph  Entire foot  From phalangles to Calcaneus  3-5 metatarsals are free of imposition  Joint space around cuboid is open  The Sinus tarsi is seen.

12 Lateral Foot  8 X 10 or 10x12 for larger foot  Turn diagonally  Measures 8  4  Mark  Shield  Hold still

13 Part position  Turn patient on side so the lateral portion of foot is in contact with IR  Flex knee of affect foot  Place opposite leg behind the injured leg.  Place the plantar surface of foot perpendicular to IR.  Do not over rotate.

14 40 SID To Medial cuneiform

15 Seen on Radiograph  Entire foot  1 inch of distal tib/fib  Metatarsals superimposed  Tibiotalar joint is open  Distal fibular is superimposed by distal tibia..

16 Lets work on the Heel

17 Things to knows  Cassette size:8 x 10 crosswise divided in half  Measures: 10 5  Done on table top  2 Views Axial and Lateral

18 Position of Part for Axial  Patient seated on table with leg fully extended  Place the back of heel on IR  Dorsiflex foot until plantar surface is perpendicular with IR  Can use gauze or something to assist patient with position.

19 Angle 40 Degrees celphald Base of third metatarsal SID 40 Inches

20 Seen on Radiograph  Entire calcaneus  Open talocalcaneal joint.

21 Lateral View  Other half of cassette  Measures 10

22 Part position  Roll patient with affected side down  Center heel to IR  Plantar surface perpendicular to film  same as lateral foot

23 SID 40 1 inch below the medial malleolous

24 Seen on Radiograph  Calcaneus in profile  Open joint space of calcaneus and cuboid  Imposition of distal tib/fib

25 Ankle

26 Views  Ap  Lateral  Internal and external Obliques

27 Things to know  Cassette: 10 x 12 crosswise divided in half  Measures 8  6  Shield  Marker  Hold still

28 Part Position for AP  Place patient supine on table  Do not flex foot allow it to be in a natural position  Point toes up to ensure a true AP of lower leg and ankle.

29 40 SID Perpendicular to a point mid-way between malleoli

30 Seen on Radiograph  The Distal tib/fib  The lateral and medial malleoli  The talus  Proximal half of metatarsals

31 Lateral  The other half of the 10x 12 cassette  Shield  Marker  Hold still

32 Part Position  Rotate patient on side of affect foot  Place unaffected leg behind affected leg  Dorsiflex foot for a true 90 degree angle

33 40 SID Perpendicular to the medial malleolus

34 Seen on Radiograph  Distal third of tib/fib superimposed  The talus  The calcaneus  The navicular and cuboid  Tibotalar joint open

35 Obliques 10 x12 cassette divided in half Shield Marker Hold still

36 Part Position for oblique  Start like on an AP  Patient supine and heel against cassette toes up  Center ankle to center of Cassette  Rotate leg medially (internal) 45 degrees  Rotate leg laterally (external) 45 degrees

37 40 SID Perpendicular to mid- way between malleoli

38 40 SID Perpendicular to mid- way between malleoli

39 Seen on internal oblique  Distal third of tib/fib  the malleoli  the talus and proximal half of metatarsals  tibiofibular joint open  the lateral malleoli and talus joint open  the medial malleoli and talus partially imposed.

40 Seen on external oblique  The Calcaneal sulcus  The superior portion of the calcaneus  The distal tib/fib superimposed anterior


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