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  1. Home
  3. Tumor Desmoplasia Outperforms Preoperative Serum Calcitonin As Surgical Biomarker In Sporadic Medullary Thyroid Cancer.
  1. Home
  3. Tumor Desmoplasia Outperforms Preoperative Serum Calcitonin As Surgical Biomarker In Sporadic Medullary Thyroid Cancer.

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Tumor desmoplasia outperforms preoperative serum calcitonin as surgical biomarker in sporadic medullary thyroid

Andreas Machens1, Kerstin Lorenz1, Claudia Bensch2

  • 1Department of Visceral, Vascular and Endocrine Surgery, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany.

Head & Neck
|June 8, 2024

View abstract on PubMed

Summary
This summary is machine-generated.

Thyroid tumor desmoplasia effectively predicts lymph node metastasis in sporadic medullary thyroid carcinoma (MTC). This finding offers a superior alternative to serum calcitonin levels for surgical planning.

Keywords:
biochemical curedesmoplasia gradinglymph node metastasismedullary thyroid carcinomaprimary tumor desmoplasia

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Area of Science:

  • Oncology
  • Endocrinology
  • Surgical Pathology

Background:

  • Medullary thyroid carcinoma (MTC) management often relies on assessing lymph node metastasis.
  • Preoperative serum calcitonin levels are commonly used but may have limitations.
  • Thyroid tumor desmoplasia is proposed as a potential alternative or complementary marker.

Purpose of the Study:

  • To evaluate the efficacy of thyroid tumor desmoplasia in discriminating between node-negative and node-positive sporadic MTC.
  • To compare the predictive value of desmoplasia with serum calcitonin levels and tumor size.

Main Methods:

  • Analysis of 181 patients with unilateral sporadic MTC.
  • Grading of thyroid tumor desmoplasia using a 7-grade scale post-thyroidectomy and neck dissection.
  • Correlation of desmoplasia grade with lymph node metastasis, lymphatic invasion, extrathyroid extension, extranodal growth, and biochemical cure.

    • Main Results:

    • Increased thyroid tumor desmoplasia correlated significantly with higher rates of lymph node metastasis, lymphatic invasion, and extranodal growth.
    • Serum calcitonin levels and tumor diameter showed wide overlap across desmoplasia groups, limiting their discriminatory power.
    • Biochemical cure rates declined significantly with increasing desmoplasia.

    Conclusions:

    • Thyroid tumor desmoplasia is a strong predictor of lymph node metastasis in sporadic MTC.
    • Desmoplasia offers superior discrimination compared to serum calcitonin levels for identifying node-positive MTC.
    • These findings support the use of desmoplasia for guiding precision surgery in MTC.