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Related Concept Videos

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Cholecystitis01:20

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Related Experiment Video

Updated: May 5, 2026

DUCT: Double Resin Casting followed by Micro-Computed Tomography for 3D Liver Analysis
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Gallbladder perforation in photon counting CT: A case report.

Wenjing Li1, Song Luo1,2

  • 1Department of Radiology, Geriatric Hospital of Nanjing Medical University, Nanjing, China.

Radiology Case Reports
|June 16, 2025
PubMed
Summary
This summary is machine-generated.

Photon-counting computed tomography (PCCT) successfully identified a tiny common bile duct stone (CBDS) missed by initial imaging. This finding suggests CBDS may cause gallbladder perforation, improving diagnostic insights.

Keywords:
Acute cholecystitisBiliary obstructionCommon bile duct stonesGallbladder perforationPhoton-counting CT

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Area of Science:

  • Radiology
  • Gastroenterology
  • Medical Imaging

Background:

  • Common bile duct stones (CBDS) can lead to serious complications like biliary obstruction and cholangitis.
  • Gallbladder perforation is a severe condition often requiring surgical intervention.

Observation:

  • A 74-year-old male presented with symptoms suggestive of infection and biliary obstruction.
  • Initial contrast-enhanced computed tomography (CT) showed gallstones, cholecystitis, and gallbladder perforation but did not visualize a common bile duct stone (CBDS).

Findings:

  • Adjusting the energy level during postprocessing of photon-counting CT (PCCT) revealed a tiny, high-density nodule in the common bile duct, confirmed as a CBDS intraoperatively.
  • PCCT's multi-energy capabilities were crucial in detecting the small CBDS, which was initially missed.

Implications:

  • This case highlights PCCT's superior ability to detect small CBDS, potentially altering the understanding of gallbladder perforation etiology.
  • Accurate and early diagnosis of CBDS using advanced imaging like PCCT can guide timely and appropriate clinical management, preventing severe complications.