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This study includes papillary thyroid cancer patients who have unpalpable lateral neck lymph nodes but suspicious on ultrasound and/or CT. Carbon nanoparticles is used as the tracer for lateral neck lymph node mapping.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| MLND | Experimental | Modified lateral neck dissection (compartment II-V) is performed in all patients. |
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| SLNB | Experimental | Sentinel lymph node biopsy in the lateral neck is performed. The decision of neck dissection is based on the result of sentinel lymph node biopsy. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Lateral neck sentinel lymph node biopsy | Procedure | Lateral neck sentinel lymph node biopsy is performed in all patients in Arm B. |
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| Measure | Description | Time Frame |
|---|---|---|
| Lymph node counts | Dyed versus undyed lymph node counts in lateral neck compartments | 1 month after surgery |
| Measure | Description | Time Frame |
|---|---|---|
| Lymph node metastasis rate | The rate of lymph node metastasis in lateral neck compartments | 1 month after surgery |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Yu Wang, M.D. | Contact | 86-021-64175590 | 65805 | neck130@hotmail.com |
| Nai-si Huang, M.D. | Contact | 86-021-64175590 | 67816 | huangnaisi@fudan.edu.cn |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Fudan University Shanghai Cancer Center | Recruiting | Shanghai | 200032 | China |
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| ID | Term |
|---|---|
| D013964 | Thyroid Neoplasms |
| ID | Term |
|---|---|
| D004701 | Endocrine Gland Neoplasms |
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D006258 | Head and Neck Neoplasms |
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| Modified lateral neck lymph node dissection | Procedure | Modified lateral neck dissection (compartment II-V) is performed in all patients in Arm A, and some of the patients in Arm B (according to sentinel lymph node biopsy results). |
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| Super selective lateral neck lymph node dissection | Procedure | Super selective lateral neck lymph node dissection is performed in some of the patients in Arm B (according to sentinel lymph node biopsy results). |
|
| D004700 |
| Endocrine System Diseases |
| D013959 | Thyroid Diseases |