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Related Experiment Videos

Early gastric cancer. Clinicopathologic study.

M J O'Brien, R Burakoff, E A Robbins

    The American Journal of Medicine
    |February 1, 1985
    PubMed
    Summary

    Endoscopic screening significantly increased early gastric cancer detection. This advancement led to better patient outcomes, with most early gastric cancer patients surviving surgery, unlike in the pre-endoscopic era.

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    Area of Science:

    • Gastroenterology
    • Pathology
    • Surgical Oncology

    Background:

    • Early gastric cancer (EGC) detection rates were historically low.
    • Advances in endoscopic techniques have improved diagnostic capabilities.

    Purpose of the Study:

    • To compare the incidence and clinicopathologic features of EGC before and after the widespread adoption of endoscopy.
    • To evaluate the impact of endoscopic screening on EGC detection and patient outcomes.

    Main Methods:

    • Retrospective analysis of gastric resection specimens from two periods: 1967-1969 (pre-endoscopy) and 1977-1979 (post-endoscopy).
    • Comparison of EGC incidence, lesion types, and patient survival rates between the two periods.

    Main Results:

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  • EGC comprised a significantly higher proportion of resected lesions in the post-endoscopic period (6/22) compared to the pre-endoscopic period (1/27).
  • Five of six EGC patients in the recent period survived without disease recurrence post-surgery, whereas the patient from the earlier period died postoperatively.
  • Endoscopic biopsy was diagnostic in all EGC cases, including those initially appearing as benign peptic ulcers on conventional imaging.

    • Conclusions:

    • Endoscopy and biopsy have dramatically increased the detection of EGC, particularly lesions initially misdiagnosed as benign ulcers.
    • EGC in the United States shares similar clinicopathologic features and curability by surgery as described in Japan.
    • Increased physician awareness and suspicion are crucial for further improvements in EGC recognition and management.