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近年来，作者收治Ｂ超发现的胆道扩张８例，分别经十二指肠低张造影、ＣＴ、内镜等检查，发现其为无黄疽性早期壶腹周围癌。术前有３例内镜活检证实。８例均行胰十二指肠切除术。病理检查胰腺癌卫例，壶腹癌６例，乳头部绒毛腺管腺瘤Ⅱ～Ⅲ级１例，配合其他治疗取得了较好效果。本组８例中１例胰腺癌病人生存９年死亡，余均仍存活，３年以下４例，３～５年１例，５年以上２例。本组病人早期主要症状是上腹痛和发热，或上腹痛合并发热。对仅有上腹不适、隐痛、胀痛为主诉的病人不应忽略Ｂ超检查。Ｂ超早期图像有两种，即单纯胆道扩张型和胆道扩张占位型。在各种检查方法中，作者认为ＣＴ和内镜对早期诊断帮助较大。
In recent years, the authors treated 8 cases of bile duct dilatation detected by B-ultrasound, and were examined by duodenal angiography, CT, and endoscopy. They were found to be early peri-ampullary carcinoma without jaundice. There were 3 endoscopic biopsies before surgery. Eight patients underwent pancreatoduodenectomy. Pathological examination of pancreatic cancer cases, ampullary cancer in 6 cases, papillary gland ductal adenoma II ~ III in 1 case, with other treatments to achieve better results. Of the 8 patients in this group, 1 patient with pancreatic cancer survived 9 years of life. The remaining patients were still alive, 4 patients were less than 3 years, 1 patient was 3 to 5 years, and 2 patients were more than 5 years. The main symptoms of this group of patients are early abdominal pain and fever, or upper abdominal pain with fever. Patients with chiefly complaints of epigastric discomfort, pain, or pain should not overlook B-ultrasound. There are two types of early B-mode images, namely, simple biliary dilatation and biliary dilatation. Among the various examination methods, the author believes that CT and endoscopy are helpful for early diagnosis.