The clinical and pathological classification of esophageal cancer – adenocarcinoma, this cancer is relatively rare, the domestic rare cancer, but 80 years since the 20th century, Western countries the incidence of esophageal adenocarcinoma increased significantly, and mainly occurs in the next paragraph. Which the United States the incidence of esophageal adenocarcinoma whites in 1990 accounted for about half of patients with esophageal cancer.
Esophageal Cancer Clinical Pathology Category – mostly from glands adenocarcinoma, a few from the acini, but also from the heterotopic gastric mucosa of the esophagus. Site occurred more in the lower esophagus or lower, so the diagnosis of adenocarcinoma of the lower esophagus to rule out gastric cancer or gastric cardia cancer may be extended to the esophagus.
The clinical and pathological classification of esophageal cancer – adenocarcinoma with different histological types, they have different morphological characteristics, clinical pre-addition, esophageal tracheal bifurcation, including the portion above the lower edge surface and the following section, took place in two parts the difficulty of the surgery of esophageal cancer and surgical resection rates vary widely, many therapists in turn named for the two parts of the middle and low middle high.
1987 International Federation of the development of new cancer prevention of esophageal cancer lesion segment of international standards, this subsection in marking clear, easy-to-be determined in the X-ray film landmarks, the length divided evenly, chest and prognosis of each segment is closely, it has been widely used.
(1) cervical. Since the esophagus population (surface marked by the lower edge of the cricoid cartilage) to handle the upper edge of sternal plane from the upper incisor of about 18cm.
(2) thoracic segment. At the upper, middle, and lower segment. Upper thoracic: on the edge of the handle from the sternum to the tracheal bifurcation plane plane from the upper incisor of about 24cm. Chest segment: Ben from tracheal bifurcation to the entrance plane half full, some away from the rear of its lower bound is different.
- esophageal carcinoma pathological classification