The efficacy of strain elastography and shear-wave elastography in the evaluation of neoadjuvant chemotherapy for patients with locally advanced breast cancer

Two group patients
were performed conventional ultrasound and elastography examination before NAC
(pre-NAC),after the second (post-2nd-NAC), and the fourth cycles of
NAC(post-4th-NAC),including 40 cases of 40 breast cancer patients
(age range, 25-72 years) in Strain Elastography (SE) group and 21 cases of 20
breast cancer patients (age range,31-67 years) in shear-wave elastography (SWE)
group. Changes in elastographic parameters (elasticity grading and strain ratio
in SE group, the maximum elastic value and the average elastic value in SWE group)
related to tissue biomechanical properties were then determined and compared to
clinical and pathologic tumor response after mastectomy.

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