Femoral diaphyseal stress fracture

Case contributed by Dalia Ibrahim
Diagnosis almost certain

Presentation

Left thigh pain.

Patient Data

Age: 50 years
Gender: Female
This study is a stack
Coronal
STIR
This study is a stack
Coronal
T2
This study is a stack
Coronal
T1
This study is a stack
Sagittal-Rt
T2
This study is a stack
Sagittal-Lt
T2
This study is a stack
Axial
STIR
This study is a stack
Axial
T1
This study is a stack
Axial
T2
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Info

Left femoral upper shaft medial subcortical marrow edema signal with subtle small transversely oriented stress fracture line. Mild peri osseous soft tissue edema.

Findings are impressive of left femoral upper shaft medial stress fracture.

PET-CT

Nuclear medicine
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Info

On PET-CT, the lesion shows mild increased FDG uptake with SUV max 2.4 with mild cortical thickening/sclerosis.

Case Discussion

MRI features of a stress fracture include periosteal reaction, endosteal bone marrow edema, and a linear osseous discontinuity.

On PET-CT, It usually shows mild increased FDG uptake.

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