Papillary thyroid carcinoma
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Phase I and II: (1) aged 18 to 80 years old; (2) the primary treatment of patients with unilateral or bilateral PTC; (3) ultrasound showed that the tumor was localized in the thyroid gland, and the maximum diameter of each lesion was less than 4cm; (4) ultrasonography of cervical VI lymph nodes: the shortest diameter < 4 mm, no calcification, no cystic change, no local or global echo enhancement; (5) 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; (6) patients will voluntarily enter the study after informed consent; Phase III: (1) aged from 30 to 80 years old; (2) ultrasound showed that the tumor was localized in the thyroid gland, and the maximum diameter of each lesion was less than 4cm; (3) Unilateral or bilateral PTC without lymph node metastasis assessed by "cNo-pN+ PTC prediction model"; (4) patients will voluntarily enter the study after informed consent.
Exclusion criteria
Exclusion criteria: (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.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| recurrence;Lymph node metastasis; | — |
Countries
China
Contacts
Affililated Hangzhou First People's Hospital, Zhejiang University School of Medicine