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Gallbladder pseudopolyp formation following percutaneous liver biopsy
M Barzilai1, N Ish-Shalom, A Lerner
1Ultrasound Unit, Carmel Medical Center, 7 Michal Street, Haifa, Israel.
Pediatric Surgery International
|July 1, 1997
Summary
A sonographic (US) study revealed a gallbladder polyp after an unsuccessful liver biopsy. The finding resolved within 24 hours, suggesting a transient bile leak from needle penetration, not a true polyp.
Area of Science:
- Pediatric Radiology
- Gastroenterology
Background:
- Gallbladder polyps are rare in pediatric patients.
- Liver biopsies can have complications.
Observation:
- A 16-year-old girl underwent an unsuccessful liver biopsy yielding only bile.
- Sonography revealed gallbladder wall protrusion and adjacent free fluid, mimicking a polyp.
Findings:
- The gallbladder abnormality and free fluid resolved completely within 24 hours.
- This resolution suggests the initial findings were a transient bile leak due to needle penetration.
Implications:
- Sonographic findings of gallbladder polyps in children may represent post-procedural complications.
- Careful interpretation of imaging after invasive procedures is crucial in pediatric patients.