When is a needle biopsy required

Bone and soft tissue tumors are diseases that seriously endanger human health and life. In recent years, the incidence has gradually increased, and the age of onset has gradually decreased. Early detection, correct diagnosis, and timely treatment have an important impact on prognosis. With the continuous improvement of inspection methods and methods, the accuracy of diagnosis has gradually increased, but there are still a large number of tumors that do not have typical imaging characteristics, making diagnosis difficult. The correct diagnosis requires a combination of clinical, imaging and pathology. Among them, pathological diagnosis plays a key role in the choice of treatment plan. Needle biopsy is the main way to obtain pathological diagnosis.

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Because the limb salvage treatment of malignant tumors has become the main trend, this requires stricter requirements on the way and method of material collection during biopsy. Improper biopsy often results in the failure of limb salvage therapy due to the contamination of local important structures such as blood vessels and nerve bundles by the tumor when the material is taken, so that the tumor cannot be completely removed. Therefore, before needle biopsy, it is necessary to have a full understanding of the nature, stage and treatment of the tumor, conduct adequate preoperative planning, and ensure that the needle tract to be taken is located on the surgical incision, so that it can be completely removed during surgery. Therefore, a large number of literatures emphasize that needle biopsy should be performed by experienced specialists, and it is better to perform biopsy operation by the chief surgeon to improve the accuracy of needle biopsy and reduce complications.

3 important principles

Because of its simple operation, low complications and high accuracy, needle biopsy has become the main method for obtaining histopathological diagnosis of bone and soft tissue tumors. Therefore, we recommend following important principles before performing a biopsy:

1. Before biopsy, it should be given the same attention and careful planning as the surgical plan. Because this is the beginning of tumor treatment and is a crucial first step, an incorrect biopsy can have disastrous consequences for the patient.

2. The principle of aseptic operation should be strictly followed, and the skin should be prepared and sutured with hemostasis as in conventional surgery.

3. Make sure that the biopsy will not affect the formulation of the subsequent surgical plan, and the contaminated area of the biopsy should be able to be completely removed.

4. Ensure that there are enough representative tissue specimens for the pathologist to diagnose. If the pathologist cannot make a clear diagnosis, detailed clinical and imaging examination data should be provided in a timely manner.

5. If the doctor or hospital is not qualified to diagnose and treat tumors, the tumor patient should be transferred to a doctor or hospital capable of diagnosing and treating tumors for regular treatment before biopsy.

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