What Is Biopsy Biopsy Pathology

Pathological biopsy, referred to as "biopsy", is an important method for the diagnosis of diseases by morphological examination of living tissue. Biopsy is mainly used for the differentiation between neoplastic and non-neoplastic diseases, benign and malignant tumors, to judge the extent and extent of malignant tumor growth, invasion and metastasis, and to observe the degree of disease development or treatment response. According to the different instruments and methods of taking biopsy, there are excision biopsy, which is to take part of the lesion and its adjacent normal tissue; Excision biopsy is to remove all lesions for examination; Endoscopic biopsy was performed to obtain a little diseased tissue through endoscopic forceps. In a needle aspiration biopsy, a small amount of tissue is absorbed with a piercing needle. In addition, there are scraping, drilling and other ways. Then the biopsy tissue was selected and made into paraffin sections for histological examination under the microscope, with the help of electron microscopy or immunohistochemistry if necessary. In addition, there is a quick biopsy, also known as frozen section examination, which is often used to make a timely judgment during surgery to help determine the scope or method of surgery.

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