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KMID : 0361820110300020113
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Journal of the Korean Society of Medical Ultrasound
2011 Volume.30 No. 2 p.113 ~ p.122
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Thyroid Cancer Staging
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Kim Ja-Young
Kim Soo-Jin
Kim Eun-Kyung
Kwak Jin-Young
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Abstract
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The current prevalence of thyroid cancer in women is high. Likewise, other cancers and thyroid cancer have been based on the TNM classification system. Staging of thyroid cancer has an important role in determining the extent of surgical excision and lymph node dissection, planning the adjuvant therapy after surgery and predicting the recurrence rate and the prognosis of patients. Ultrasonography is the basic imaging modality to identify the tumor size and the extent of lymph node metastasis. More recently, computed tomography, magnetic resonance imaging and positron emission tomography provide additional help for the staging of thyroid cancer. So, this article describes the 7th edition of the TNM staging of thyroid cancer, as proposed by the American Joint Committee on Cancer, and the details of radiologic evaluation of the T, N and M stages.
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KEYWORD
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Thyroid cancer, TNM staging, Ultrasonography
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