Symptoms of poorly differentiated adenocarcinoma and gastric cancer?
summary
What is the survival time of gastric poorly differentiated adenocarcinoma? The survival time of cancer patients has always been a problem of great concern from all walks of life. However, no doctor can prepare a reply to the patients. Many factors affect the survival time of gastric poorly differentiated adenocarcinoma, such as the size of the tumor, the choice of treatment methods and so on. Now let's introduce the symptoms of poorly differentiated adenocarcinoma and gastric cancer?
Symptoms of poorly differentiated adenocarcinoma and gastric cancer?
Differentiation: the cells of a tissue undergo various stages of differentiation from embryo to maturity. Generally speaking, the more primitive the cells are, the greater the potential of differentiation is, and the more complex the components of the tumor are. For example, the primordial germ cells have the ability to differentiate into various tissues, and the components of teratoma are very complex. Single component tumors have different morphological characteristics because of different levels of cell differentiation. According to different levels of cell differentiation, pathologists often divide some malignant tumors into well differentiated, moderately differentiated and undifferentiated.
Poorly differentiated tumor: the degree of differentiation of cancer cells is lower, similar to the immature form of the source tissue, such as poorly differentiated adenocarcinoma, glandular duct, acinar structure basically disappeared.
Undifferentiated tumor: the degree of differentiation of tumor cells is very poor, often diffuse arrangement, no aggregation tendency, if it can be identified as the source of epithelial cells, it is not sure that it is from squamous epithelium or glandular epithelium, it is called undifferentiated carcinoma. Similarly, tumors derived from undifferentiated mesenchymal tissue are called undifferentiated sarcomas. The lower the degree of differentiation of tumor cells, the higher the degree of malignancy, the faster the development, the earlier the metastasis, and the more sensitive to chemoradiotherapy.
matters needing attention
Surgical resection is the main treatment for early stage of poorly differentiated adenocarcinoma. Patients with poorly differentiated adenocarcinoma whose clinical examination shows no obvious signs of metastasis, no serious organic lesions in important organs, estimated nutritional status and immune function can tolerate surgery should be explored by laparotomy. After the operation of early poorly differentiated adenocarcinoma, radiotherapy and chemotherapy, traditional Chinese medicine and immunotherapy can be used to prevent recurrence according to whether the operation is complete or not and the patient's tolerance.