A cystic lesion adjacent to the cystic duct diagnosed as ectopic thyroid tissue: a laparoscopic case report
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By
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Jingnan Xue
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Xiaohai Wu
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Longhao Zhang
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Jiangqin Liu
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Xiaoli He
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Nanzi Xie
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Xin Lu
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Gang Xie
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Kai Zhou
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June 26, 2026
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Clinical Scorecard: Laparoscopic Case Study of Ectopic Thyroid Tissue Presenting as a Cystic Lesion Near the Cystic Duct
At a Glance
| Category | Detail |
|---|
| Condition | Ectopic Thyroid Tissue |
| Key Mechanisms | Abnormal migration of thyroid anlage during embryogenesis. |
| Target Population | Adults, particularly women around 50 years of age. |
| Care Setting | Surgical management in a laparoscopic setting. |
Key Highlights
- Ectopic thyroid tissue near the gallbladder neck is extremely rare.
- Preoperative diagnosis is challenging due to nonspecific symptoms.
- Intraoperative frozen-section analysis confirmed benign ectopic thyroid tissue.
- Postoperative recovery was uneventful with normal thyroid function.
- Histopathology revealed mature, well-differentiated thyroid follicles without atypia.
Guideline-Based Recommendations
Diagnosis
- Consider imaging studies such as CT, MRI, or PET-CT for characterization of lesions.
Management
- Laparoscopic cholecystectomy with en bloc resection is recommended for suspected ectopic thyroid lesions.
Monitoring & Follow-up
- Postoperative ultrasound to assess the orthotopic thyroid gland.
Risks
- Potential for misdiagnosis as biliary or gallbladder-related masses.
Patient & Prescribing Data
50-year-old woman with intermittent right upper quadrant pain.
Surgical intervention was preferred due to patient preference despite financial constraints.
Clinical Best Practices
- Include ectopic thyroid tissue in the differential diagnosis of gallbladder neck or porta hepatis lesions.
- Histopathology is essential for definitive diagnosis and management.
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