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Is it necessary to send gallbladder specimens for routine histopathological examination after cholecystectomy? The
Jaap L P van Vliet1, Thomas M van Gulik, Paul C M Verbeek
1Flevoziekenhuis, Almere, The Netherlands.
Insights
Routine gallbladder histopathology after cholecystectomy may be unnecessary. A selective strategy, examining only macroscopically abnormal specimens, can safely exclude gallbladder carcinoma (GBC) and reduce costs.
Area of Science:
- Surgical Pathology
- Oncology
- Health Economics
Background:
- Gallbladder carcinoma (GBC) screening via routine histopathology post-cholecystectomy is standard but lacks proven benefit.
- This practice incurs significant costs without clear evidence of improved patient outcomes.
Purpose of the Study:
- To evaluate the reliability of a selective histopathological examination strategy for gallbladder specimens.
- To determine if macroscopic assessment alone can safely identify specimens requiring detailed pathological analysis.
Main Methods:
- Retrospective analysis of 1,393 gallbladder specimen reports from a Dutch hospital (2007-2011).
- Inclusion criteria: post-cholecystectomy specimens with available histopathological reports (n=1,375).
- Focus on correlation between macroscopic findings and GBC presence.
Main Results:
- 185 out of 1,375 specimens had macroscopic abnormalities.
- Gallbladder carcinoma (GBC) was diagnosed in 6 patients.
- All GBC cases presented with macroscopic abnormalities, yielding a 100% negative predictive value for macroscopic assessment.
Conclusions:
- Absence of macroscopic abnormalities reliably excludes gallbladder carcinoma (GBC).
- Selective histopathological examination based on macroscopic appearance is a safe and cost-effective strategy.
- Implementing this policy in The Netherlands could save an estimated EUR 1.3 million annually while maintaining patient safety.
Background/Aims:
Gallbladder specimens are routinely sent for histopathological examination after cholecystectomy in order to rule out the presence of gallbladder carcinoma (GBC). However, there is no evidence for the benefit of this costly practice. Our aim was to determine whether a selective strategy based on macroscopic appearance of gallbladder specimens is a reliable strategy to exclude them from histopathological examination.
Methods:
A retrospective study was conducted from January 2007 until November 2011 in a large community hospital in The Netherlands. All gallbladder specimen reports (n = 1,393) after cholecystectomy were included and searched for abnormal findings. Reports were excluded when a full histopathological report was not available (n = 18).
Results:
Out of the 1,375 patients, 185 had a macroscopically abnormal gallbladder specimen. Of these patients, 6 had GBC. All patients with GBC had macroscopic abnormalities, giving a negative predictive value of 100% to exclude gallbladder specimens from histopathological examination based on macroscopic abnormalities.
Conclusions:
Based on our study it seems justified to exclude gallbladder specimens from histopathological examination based on the absence of macroscopic abnormalities. A more selective policy will reduce medical costs, saving EUR 1.3 million a year in The Netherlands alone, whilst maintaining patient safety.
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