The Beijing Military Hospital of the Fourth Military Medical University reported on the 6th that the hospital successfully implemented the world's first computer-aided 4D printed biodegradable material filler breast reconstruction surgery, which brought a new reconstruction method for breast cancer mastectomy patients.
In August 2016, Zhang Xue (pseudonym) suffering from breast cancer was treated at Xijing Hospital. At that time, the size of the tumor exceeded 6 cm. Although neoadjuvant chemotherapy was implemented, only full breast resection was performed. Experts decided to implement a computer-assisted 4D printed biodegradable material filler breast reconstruction procedure.
Before the operation, the doctor first performed a thin-layer breast MRI scan, and accurately acquired tumor and breast image information through MRI, and performed three-dimensional reconstruction and simulated resection on the computer. On this basis, the size of the filler is precisely designed according to the simulated tissue defect, and the defect is printed in one to one 3D.
On the day of surgery, the doctor performed a large-scale resection of the left breast and axillary lymph node dissection based on the results of the computer simulation. Then, a pre-designed 4D printed biodegradable material filler was implanted in the defective breast tissue. Breast reconstruction. The patient recovered well after surgery and was discharged on the third day. The patient also received radiotherapy routinely. After several re-examinations, the implants were gradually shaped, and the tissue compatibility was good. The autologous fibrous vascular tissue began to grow.
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