Kāda ir mutes vēža patoloģiskā izmeklēšana?

Pathological examination is the main basis for the final diagnosis of tumor. Pathological examination of oral cancer is mainly excisional biopsy; excisional biopsy can also be performed for small masses whose diagnosis is unclear but can be surgically removed; rapid frozen section biopsy is only used in rare cases. The following should be noted when examining oral cancer: 1. Different from deep tumors, due to the superficial location of oral cancer, it is usually not necessary to cut the tissue for biopsy; in most cases, it is even possible to use surgical scissors or a scalpel It was a success without anesthesia. If anesthesia must be used, block anesthesia should be selected instead of local infiltration anesthesia. If there is oozing after the material is collected, light pressure or electrocoagulation can be used to stop the bleeding, and sutures are generally not required. Experts from Hefei Phoenix Cancer Hospital said that, like the treatment of any malignant tumor, the shorter the interval between oral cancer biopsy and treatment, the better. 2. In clinical practice, multiple biopsies can sometimes be undiagnosed. This may have the following two situations: (1) Improper sampling site, especially for those who have localized cancerous changes on the basis of precancerous lesions, there are two solutions: ① multiple points of sampling; ② use tetracycline fluorescence or blood Porphyrin Derivatives (HPD) fluorescence spectrometry assists in localization and sampling. (2) Due to the deep cancerous site, preoperative diagnosis cannot be obtained. In such cases, surgical exploration or surgical excision combined with a rapid frozen biopsy can be used to assist in the diagnosis. 3. The possibility of deep tumors or systemic tumors in the oral cavity as the first symptom should be fully considered. The former such as maxillary sinus cancer or central jaw cancer; the latter such as breast cancer or choriocarcinoma metastasis, and hematological malignancies.

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