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Updated: Jun 22, 2026
07:12
Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging
Published on: August 17, 2022
[Parathyroid glands are differentiated from lymph node by activated-carbon particles]
Xiao-Lei Wang1, Yue-Huang Wu, Zhen-Gang Xu
1Department of Head and Neck Surgery, Cancer Hospital Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100021, China. wangxlcams@126.com
Summary
Activated carbon particles effectively stain lymph nodes in thyroid carcinoma surgery, sparing parathyroid glands. This new method aids in preserving parathyroid function during central compartment dissection for thyroid cancer.
Area of Science:
- Oncology
- Surgical Innovation
- Endocrinology
Context:
- Thyroid carcinoma surgery often involves central compartment dissection, risking parathyroid gland injury.
- Preserving parathyroid glands is crucial for preventing hypoparathyroidism post-thyroidectomy.
Purpose:
- To evaluate a novel method using activated carbon particles to differentiate and preserve parathyroid glands during thyroid carcinoma surgery.
- To assess the efficacy of activated carbon staining in identifying lymph nodes versus parathyroid glands in the central compartment.
Summary:
- Activated carbon particles were injected into the thyroid gland of a trial group (n=19) undergoing central compartment dissection for thyroid carcinoma, while a control group (n=20) did not receive the injection.
- In the trial group, lymph nodes in the central compartment were stained black, allowing for their separation from non-stained tissues.
- Results showed that activated carbon particles stained 95.2% of lymph nodes, with no parathyroid glands found in the stained tissue, while 7 parathyroid glands were identified in the non-stained tissue.
Impact:
- This technique facilitates the identification and preservation of parathyroid glands by enabling the selective removal of stained lymph nodes.
- Potential to reduce the incidence of hypoparathyroidism and improve patient outcomes after thyroid carcinoma surgery.
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