How is immunohistochemistry performed? Is it done through a blood draw?
May 25, 2023
Source: Cainiu Health
Dr. Qi Zhirong
Introduction
Immunohistochemistry is primarily used for diagnosis and differential diagnosis in oncology, requiring the extraction of tumor tissue, which generally cannot be obtained through blood tests. If pathological immunohistochemical examination is needed, it is recommended to visit a正规 hospital to ensure accurate results. In case of abnormal findings, prompt medical consultation is advised to avoid delays in treatment.
Generally, immunohistochemistry (IHC) is primarily used in oncology for diagnostic and differential diagnostic purposes. It requires the extraction of certain tumor tissue samples and is usually not performed via blood tests. Specific methods include sampling during endoscopy, needle biopsy, or surgical resection. Taking needle biopsy as an example, the procedure is as follows:
1. Use imaging techniques such as CT or MRI to locate the abnormal tissue.
2. Disinfect the area designated for biopsy and drape it with sterile towels. Administer local infiltration anesthesia to the skin and deeper tissues using anesthetic agents.
3. Under ultrasound or CT guidance, insert a biopsy needle into the abnormal tissue to obtain a sample, which is then sent for pathological examination.
4. After completing the biopsy, dress the puncture site with appropriate bandaging.
This procedure requires specialized expertise. If a pathological immunohistochemical examination is needed, it is recommended to visit a qualified hospital to ensure accurate results. In case of abnormal findings, prompt medical consultation is advised to avoid delays in diagnosis and treatment.
