Diagnostic value of automatic biopsy needle puncture under ultrasound guidance for retroperitoneal tumors

The retroperitoneal space is a wide potential space between the posterior peritoneum and the posterior abdominal wall and the muscles of the posterior pelvic wall. The tissue in this space is soft, which is conducive to the growth and spread of tumors. The origin of retroperitoneal space tissue is complex. The tumors that occur are called primary retroperitoneal tumors (PRT), most of which are malignant, and are called primary malignant retroperitoneal tumors (PMRT). Malignant lymphoma, liposarcoma and fibrosarcoma are more common; in addition, some are metastatic tumors. The tumors in this area are often removed surgically after the imaging studies are clear. However, the malignant lymphoma (ML) and metastatic carcinoima (MC) are not suitable for surgical treatment. Therefore, if the histological diagnosis of retroperitoneal tumors can be made by other methods before surgery, it can be avoided. It is suitable for surgical therapists to avoid major surgical trauma and get the correct comprehensive treatment in time.

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