This collection of 3D models illustrates the application of the TNM classification system to thyroid carcinoma, systematically demonstrating primary tumour size and extent (T categories), regional lymph node involvement (N categories), and the anatomical relationships that define stage grouping. The visualizations detail the progressive changes from small, organ-confined tumours to locally invasive lesions with nodal metastases, highlighting the critical anatomical landmarks used for staging. By presenting these standardized morphological criteria, the category enhances the anatomical understanding of thyroid cancer staging and underscores its essential role in determining prognosis, guiding treatment decisions, and facilitating consistent communication among clinicians.
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Primary tumour Т2
2
Primary tumour T1
T1 primary thyroid tumours in 3D: primary tumours T1a and T1b.
2
Primary tumour T3
T3 primary thyroid tumours in 3D: primary tumours T3a and T3b.
2
Primary tumour T4
T4 primary thyroid tumours in 3D: primary tumours T4a and T4b.
1
Regional lymph nodes N1
Regional lymph node metastasis in 3D: regional lymph nodes N1a.
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