Ankle w/wo

MR Adult Ankle W/WO Protocol                            

Created – 2/1/2014

Indication: Mass, Infection, Cellulitis, Abscess, Osteomyelitis

 

Use Foot/ankle/Flex Coil

Localizer
(REF scan)

Mode

Slice

Gap

Matrix/

Nex

FOV

Scan Range

AXIAL

T1

TSE

4mm

1.5mm

256x224/2

15cm

Bottom of heel(skin) to above malleolus

AXIAL

Mid TE=40 Fat Sat

TSE

4mm

1.5mm

256x224/2

15cm

Bottom of heel(skin) to above malleolus

SAG

T1

TSE

3mm

1.5mm

256x224/2

15cm

Include Metatarsal Bases

COR

T1

TSE

3mm

1.5mm

256x224/2

15cm

From Calcaneus to metatarsal bases

COR

T2  Fat Sat

TSE

3mm

1.5mm

256x224/2

15cm

From Calcaneus to metatarsal bases

Contrast Injection

AXIAL pre

T1 Fat Sat

TSE

4mm

1.5mm

256x224/2

15cm

Bottom of heel(skin) to above malleolus

AXIALpost

COR

T1 Fat Sat

TSE

3mm

1.5mm

256x224/2

15cm

From Calcaneus to metatarsal bases

Notes:   All scans include entire tarsals in FOV
If sag Fat Sat has poor fat suppression, consider STIR (TE=40) instead.

If hardware is present: Do axial non-fat-sat mid-TE instead of fat-sat

Keep sagittal STIR     #  Do coronal STIR instead of fat-sat mid-TE

 

    

Axial Plane  to axis calcaneus   Coronal Plane-perpendicular to axial    Sagittal Plane- from line      talus

              

    Place marker at the point of max tenderness or above and below region of interest.

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