ArticleFrontiers in surgery2026
A cystic lesion adjacent to the cystic duct diagnosed as ectopic thyroid tissue: a laparoscopic case report.
Article in Frontiers in surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Ectopic thyroid tissue is an uncommon developmental anomaly, and involvement of the hepatobiliary region-particularly near the gallbladder neck or cystic duct-is extremely rare. Such lesions may mimic primary biliary or gallbladder masses, creating diagnostic and therapeutic uncertainty. We report a 50-year-old woman with a 2-year history of intermittent right upper quadrant abdominal pain. Contrast-enhanced CT demonstrated a well-defined hyperdense lesion at the hepatic hilum adjacent to the gallbladder neck, measuring 22 × 14 mm (∼80 HU on non-contrast; 119 HU arterial; 104 HU venous), with indistinct borders from the gallbladder. A biliary or gallbladder-associated tumor could not be excluded, and further evaluation with MRI and PET-CT was recommended. The patient declined additional imaging due to financial constraints and strongly requested operative management. Laparoscopic cholecystectomy with
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