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Updated: Jul 7, 2026

Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging
Published on: August 17, 2022
[Ectopic parathyroid gland hyperplasia in the pyriform sinus]
Jingping Fan1, Yumei Yang, Shunzhang Lin
1Department of Otorhinolaryngology, Changzheng Hospital, Second Military Medical University, Shanghai, 200003, China. fanjingp@163.com
Ectopic parathyroid glands in the pyriform sinus are rare and often misdiagnosed. Understanding their varied positions is crucial for accurate diagnosis and effective treatment of parathyroid conditions.
Area of Science:
- Endocrinology
- Head and Neck Surgery
- Pathology
Background:
- Ectopic parathyroid glands can occur in various locations, posing diagnostic challenges.
- The pyriform sinus is an uncommon site for parathyroid tissue.
- Accurate localization is essential for managing hyperparathyroidism and related conditions.
Observation:
- A case of ectopic parathyroid adenoma in the pyriform sinus was identified.
- Literature review revealed prior reports of parathyroid tissue, hyperplasia, and adenoma in this location.
- Ectopic parathyroid hyperplasia in the pyriform sinus is particularly rare.
Findings:
- The presented case involved an ectopic parathyroid adenoma.
- Previous literature documented a small number of ectopic parathyroid glands in the pyriform sinus, including hyperplasia and adenoma.
- Misdiagnosis is a common issue with ectopic parathyroid glands in this region.
Implications:
- Increased awareness of ectopic parathyroid gland locations in the pyriform sinus can improve diagnostic accuracy.
- Enhanced understanding aids in developing appropriate treatment strategies for these rare presentations.
- Further research into the embryological basis and clinical significance of ectopic parathyroid glands is warranted.
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