Duodenal Cancer Diagnosis
How to detect duodenal cancer
1. Double contrast barium CT
Air-barium double contrast radiography plays an important role in the diagnosis of duodenal cancer. This examination can clearly show the condition of the mucosa at the lesion site, such as whether the mucosa has become thicker and more disordered, whether the mucosal folds have disappeared, and the degree of intestinal wall stiffness. At the same time, characteristic manifestations such as polypoid filling defects, niche shadows, and stenosis of the duodenal cavity can also be observed, providing key clues for the diagnosis of duodenal cancer.
2. Duodenal fiberoptic endoscopy
Duodenal fiberoptic endoscopy can penetrate deep into the lesion. Under the fiber endoscope, the doctor can visually see the ulceration of the mucosa at the lesion site and the necrotic tissue attached to the mucosal surface. This helps to directly observe the morphology of the lesion and obtain accurate diagnostic information, which is of great significance for the diagnosis of duodenal cancer.
3. Ultrasound, endoscopy and CT examination
Ultrasound, endoscopy and CT examinations each have their own advantages in the diagnosis of duodenal cancer. These examination methods can clearly show the local intestinal wall thickening and further understand the scope and depth of tumor infiltration. At the same time, it can determine whether there is metastasis to the surrounding regional lymph nodes and whether the abdominal organs such as the liver are affected. By comprehensively analyzing these test results, doctors can assess the condition more comprehensively and provide important basis for the formulation of subsequent treatment plans. Number
4. Selective celiac and superior mesenteric artery angiography
For patients who still cannot be diagnosed after the above examinations, selective celiac artery and superior mesenteric artery angiography is an effective supplementary diagnostic method. This examination helps to discover lesions that may be missed by other examinations, providing strong support for the final diagnosis of duodenal cancer.
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