Status:
NOT_YET_RECRUITING
Central Cervical Dissection for Clinical Node Negative Papillary Thyroid Carcinoma
Lead Sponsor:
Zhejiang University
Conditions:
Lymph Node Metastases
Eligibility:
All Genders
18-80 years
Phase:
NA
Brief Summary
This study is divided into three stages. In the first stage, the investigators try to explore the objective clinical imaging standard of cN0PTC on the basis of previous studies, formulate the "clinica...
Eligibility Criteria
Inclusion
- Phase I and II:
- aged 18 to 80 years old;
- the primary treatment of patients with unilateral or bilateral PTC;
- ultrasound showed that the tumor was localized in the thyroid gland, and the maximum diameter of each lesion was less than 4cm;
- ultrasonography of cervical VI lymph nodes: the shortest diameter \< 4 mm, no calcification, no cystic change, no local or global echo enhancement;
- CT scan of cervical VI lymph nodes: the shortest diameter \< 4 mm, no calcification, no cystic change, no enhancement (CT value 40HU or not higher than banded muscle level), no cluster distribution;
- patients will voluntarily enter the study after informed consent;
- Phase III:
- aged from 18 to 80 years old;
- ultrasound showed that the tumor was localized in the thyroid gland, and the maximum diameter of each lesion was less than 4cm;
- Unilateral or bilateral PTC without lymph node metastasis assessed by "cNo-pN+ PTC prediction model";
- patients will voluntarily enter the study after informed consent.
Exclusion
- (1) patients refused to participate in the study; (2) non first operation patients; (3) Lateral cervical lymph nodes or distant metastasis; (4) Hashimoto's disease; (5) history of neck trauma.
Key Trial Info
Start Date :
January 1 2020
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
December 1 2040
Estimated Enrollment :
6000 Patients enrolled
Trial Details
Trial ID
NCT03813173
Start Date
January 1 2020
End Date
December 1 2040
Last Update
July 5 2019
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