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Table 1 Soft tissue abnormalities in stress fractures

From: Ultrasound imaging of bone fractures

Anatomical site

Sonographic findings

Periosteum

Hypoechoic thickening of the periosteal layer

 

Periosteal delamination with multi-layered pattern

 

Hypo/anechoic subperiosteal effusion *

 

Hypervascularization of the periosteum (color/power Doppler)

Superficial soft tissues

Dermal edema and/or dilatation of lymphatic collectors of subcutis

 

Hypervascularization of the soft tissues (color/power Doppler)

  1. *Mechanical detachment of the periosteum from the underlying cortical bone