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Liver and gallbladder diseases are a significant health concern, with prominent conditions including cirrhosis, hepatitis, non-alcoholic fatty liver disease (NAFLD), and gallstones. Jaundice is a common manifestation of liver and biliary disease.
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Related Experiment Video

Updated: Oct 31, 2025

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
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Bilious mask: parasite masquerading as malignant gall bladder polyp.

Chinnu Mariam Philip1, Malini Eapen2, Sudhindran S3

  • 1Department of Gastrointestinal Surgery, Amrita Institute of Medical Sciences and Research Centre, Cochin, Kerala, India chinnuanu2002@gmail.com.

BMJ Case Reports
|June 29, 2021
PubMed
Summary
This summary is machine-generated.

A rare parasitic infection mimicked a malignant gallbladder polyp, leading to unnecessary radical surgery. Preoperative investigations like parasitic serology are crucial for accurate biliary lesion diagnosis.

Keywords:
biliary interventioncancer intervention

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Area of Science:

  • Hepatobiliary Medicine
  • Parasitology
  • Diagnostic Imaging

Background:

  • Gallbladder polyps can present as malignant or benign lesions.
  • Imaging modalities like MRI and CT are often used for initial diagnosis.
  • Surgical intervention is typically indicated for suspected malignant gallbladder lesions.

Observation:

  • A 31-year-old woman presented with right upper quadrant pain, suspected malignant gallbladder polyp on imaging.
  • She underwent radical cholecystectomy with bile duct excision and hepaticojejunostomy.
  • Histopathology revealed parasitic remnants in the bile duct wall, not malignancy.

Findings:

  • The parasitic infection masqueraded as a malignant biliary polyp.
  • The patient experienced significant quality of life impairment post-surgery.
  • Extensive preoperative workup may have prevented unnecessary radical surgery.

Implications:

  • Highlights the importance of considering parasitic infections in biliary lesions.
  • Suggests incorporating parasitic serology and advanced imaging (EUS, PET) for suspected malignant biliary lesions.
  • Emphasizes the need for accurate preoperative diagnosis to avoid overtreatment and its consequences.