Table 3 Summary of changes in different types of tissue observed in human breast after fixation with formalin. The effect is small due to changes in both mass density and compressional bulk modulus. See text.

From: Full wave 3D inverse scattering transmission ultrasound tomography in the presence of high contrast

Tissue type

Fixed versus non-fixed change (%)

Fat

 + 0.4

Skin

 − 0.3

Fibroglandular tissue

 + 0.1

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