Diagnosis of malignant tumors
The diagnosis of malignant tumors increases in unless a special position , because she not only provides the typing of the tumor ( about the question of whether there is a tumor of the lung or resettlement of an elsewhere situated tumor , so a metastasis ), but also the determination of the tumor extent ( staging ), the number of affected lymph nodes and the completeness of tumor removal must be done . The answers to all these questions requires a high human and time effort and expertise in the oncology blank and the evaluation of major surgical specimens .
In recent years , the role of pathology has been modified to permit that has just taken place increasingly means of inclusion in the management plan of malignant tumors in addition to classical diagnostics, eg by the determination of hormone receptors in breast cancer and the detection of specific genetic changes in solid and hematological tumors. Such questions are based on histological techniques and immunohistochemistry except special methods more and more on modern molecular methods.