Intra-operative B-mode ultrasound scanning of the extra-hepatic biliary system and pancreas

R. J. Lane, G. Glazer

Research output: Contribution to journalArticlepeer-review

42 Citations (Scopus)


An evaluation of intra-operative B-mode ultrasound scanning of the extra-hepatic biliary tree and pancreas shows that it is a useful, non-invasive method of detecting bileduct calculi and assessment pancreatic disease. In 50 patients undergoing cholecystectomy for gallstones, ultrasound scanning was as accurate as per-operative cholangiography; the decision to explore the bileduct, made on ultrasound findings, was correct in 49/50 cases, and that made on X-ray findings was correct in 46/47 cases; there was 1 false-positive in each group. Scans of 5 patients with pancreatic disease were compared with 28 normal pancreatic scans. Infiltration of the portal vein by tumour was easily detected. Differentiation of carcinoma from chronic pancreatitis by ultrasound scanning might with more experience be possible, whilst identification of other pancreatic lesions, such as cysts, calculi, or endocrine tumours, will certainly be facilitated by this new technique.

Original languageEnglish
Pages (from-to)334-337
Number of pages4
Issue number8190
Publication statusPublished - 1980
Externally publishedYes


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