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Review
. 2025 Feb;87(2):430-435.
doi: 10.1007/s12020-024-04060-3. Epub 2024 Sep 30.

Translating the desmoplastic microenvironment of medullary thyroid cancer into surgical practice

Andreas Machens  1 , Henning Dralle  2
Affiliations
Review

Translating the desmoplastic microenvironment of medullary thyroid cancer into surgical practice

Andreas Machens et al. Endocrine. 2025 Feb.

Abstract

Purpose: The tumor microenvironment often induces a scarring process known as tumor fibrosis or desmoplasia, which plays an important role in the initiation, progression, and clinical outcome of many types of cancer. This report aimed to highlight recent progress made in the field of de-escalation surgery for sporadic medullary thyroid cancer (MTC), building a bridge from basic science to current and emerging medical practice.

Methods: This narrative review entails a holistic description and interpretation of the English-language literature on MTC desmoplasia.

Results: Absence of primary tumor desmoplasia on intraoperative frozen section and definitive histopathology goes hand in hand with absence of node metastases in up to one-third of patients with sporadic MTC. Patients with desmoplasia-negative MTC require no more than hemithyroidectomy for cure.

Conclusion: Thyroid desmoplasia is a powerful predictive tissue biomarker for the intraoperative management of patients with sporadic MTC, outpacing conventional tumor classification systems that depend on definitive histopathology.

Keywords: Node Metastases; Desmoplasia; Medullary Thyroid Carcinoma.

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Conflict of interest statement

Compliance with ethical standards. Conflict of interest: The authors declare no competing interests. Ethics approval: All data, being in the public domain, were exempt from institutional review board oversight as per applicable national and local regulations.

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