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目的：提高贲门失弛缓症并发食管瘤的早期临床X线诊断。材料与方法：21例贲门失弛缓症并发食管癌均经病理证实，作者回顾分析了其临床及X线表现。结果：21例贲门失弛缓症并发食管癌，占我院同期收治食管癌的0．078％，占失治贲门失弛症的1．59％。失弛症病史为8～28年。4例曾作手术治疗。X线检查失弛症重度14例，中度7例。癌位于胸食管上段5例，中下段16例，病变平均长度9cm。结论：贲门失弛缓症有可能因长期食物潴留引起食管炎症，促使食管鳞状上皮变性和癌变。早期手术治疗可缓解症状，但仍有术后并发癌变的病例。对病史长、年龄较大患者，应做详细的食管双对比造影，多轴摄片以及食管镜检查，以提高病变的早期检出率。
Objective: To improve the early clinical X-ray diagnosis of achalasia complicated by achalasia. Materials and Methods: 21 patients with achalasia complicated by esophageal cancer were confirmed by pathology. The author reviewed the clinical and X-ray findings. Results: 21 cases of achalasia complicated by esophageal cancer accounted for 0.078% of the esophageal cancer treated in our hospital at the same time, accounting for 1.59% of the achalasia patients. The history of alopecia is 8 to 28 years. Four cases had been treated surgically. X-ray examination showed severe discomfort in 14 cases and moderate in 7 cases. The cancer was located in the upper part of the chest and esophagus in 5 cases and the middle and lower segments in 16 cases. The average length of the lesion was 9 cm. CONCLUSIONS: Achalasia may cause esophageal inflammation due to long-term food retention, leading to degeneration and canceration of esophageal squamous epithelium. Early surgery can relieve symptoms, but there are still cases of postoperative cancer. For patients with long medical history and older ages, detailed double-contrast imaging of the esophagus, multiple axial radiographs, and esophagoscopy should be performed to increase the early detection rate of the lesions.