Grading of Stress Fractures on the Basis of Radiologic Findings :

Grade

Radiographic Finding

Bone Scan Finding

MRI Finding

1

Normal

Poorly defined area

Increased activity on STIR image

2

Normal

More intense

Poor definition on STIR and T2-weighted images

3

Discrete line

Sharp area of uptake

No focal or fusiform cortical break on T1- and T2-weighted images

4

Fracture or periosteal reaction

More intense localized transcortical uptake

Fracture line on T1- and T2-weighted images

About Dr. Tushar Mehta

MBBS , DNB (Ortho), MNAMS, PGDCR, http://www.facebook.com/orthopaedicsplus.in

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