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[Thyroid nodules with calcification and thyroid carcinoma].

Hong-feng Liu1, Wei-song Tang, Zhi-ying Yang

  • 1Department of General Surgery, PUMC Hospital, CAMS and PUMC, Beijing 100730, China. liuhongf@sina.com

Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
|December 3, 2003
PubMed
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Thyroid calcification, especially micro-calcification, is a highly specific indicator for diagnosing thyroid carcinoma. Detecting calcifications in thyroid nodules is crucial for accurate cancer diagnosis.

Area of Science:

  • Endocrinology
  • Oncology
  • Radiology

Context:

  • Thyroid nodules are common, and differentiating benign from malignant types is essential.
  • Ultrasonography is a primary imaging modality for evaluating thyroid nodules.
  • The presence and characteristics of calcifications can influence diagnostic accuracy.

Purpose:

  • To determine the diagnostic significance of thyroid calcification in identifying thyroid carcinoma.
  • To evaluate the association between thyroid calcification and malignancy in thyroid nodules.

Summary:

  • A retrospective analysis of 817 thyroid nodules revealed a calcification ratio of 18.1% on ultrasound and 19.6% pathologically.
  • Malignant thyroid nodules showed a significantly higher calcification ratio (53.5%) compared to benign nodules (13.1%).

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  • Micro-calcification was markedly more prevalent in malignant (38.6%) versus benign (2.9%) nodules.

    • Impact:

    • Thyroid calcification, particularly micro-calcification, is a specific ultrasonographic marker for thyroid carcinoma.
    • The detection of calcifications should be integrated as a key diagnostic criterion for thyroid nodules.
    • Improved diagnostic accuracy can lead to timely and appropriate management of thyroid cancer.