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Updated: Jul 18, 2026

An Orthotopic Mouse Model of Anaplastic Thyroid Carcinoma
Published on: April 17, 2013
Anaplastic thyroid cancer:Improved understanding of what remains a deadly disease
Eoin F Cleere1, Sarah Prunty1, James P O'Neill1
1Department of Otolaryngology-Head and Neck Surgery, Beaumont Hospital, Dublin, Ireland; The Royal College of Surgeons in Ireland, Dublin, Ireland.
Background:
Anaplastic thyroid cancer (ATC) is a rare, undifferentiated form of thyroid cancer accounting for less that 2 % of thyroid cancers. Here we provide an overview of the contemporary understanding of ATC as well as discussing in detail any pertinent updates in the molecular understanding and treatment of this disease with reference to the 2021 American Thyroid Association (ATA) guidelines.
Methods:
A review of the literature regarding the understanding, management and prognosis of ATC was undertaken using both Pubmed and Cochrane databases along with local institutional experience. Studies published in the last 5 years were prioritised for inclusion.
Results:
Between 80 and 90 % of patients will have disease that has spread beyond the thyroid gland at presentation. Despite the use of aggressive, multimodal, conventional treatment strategies encompassing surgery and chemoradiotherapy, the median overall survival has remained between 3 and 6 months. Our understanding has evolved regarding the key oncogenic mutations involved in the development of ATC. These include BRAF, RAS, PI3K, PTEN, TP53 and TERT mutations. There is growing evidence that novel targeted therapies against these mutations may improve outcomes in this disease which has led to FDA approval of dabrafenib/trametinib combined BRAF/Mek inhibition.
Conclusions:
The prognosis of ATC remains dismal. Recent development and approval of targeted therapies offers hope of improved oncologic outcomes with further data eagerly awaited surrounding the impact of these targeted therapies.
Insights
Anaplastic thyroid cancer (ATC) has a poor prognosis, with most patients presenting with advanced disease. However, recent targeted therapies show promise for improving outcomes in this rare cancer.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Anaplastic thyroid cancer (ATC) is a rare, undifferentiated thyroid malignancy, comprising less than 2% of all thyroid cancers.
- ATC is characterized by aggressive progression and a dismal prognosis, with a median survival of 3-6 months.
Purpose of the Study:
- To provide a comprehensive overview of the current understanding of ATC.
- To discuss recent advancements in molecular insights and treatment strategies for ATC, referencing the 2021 American Thyroid Association (ATA) guidelines.
Main Methods:
- A literature review was conducted using PubMed and Cochrane databases, prioritizing studies from the last five years.
- Institutional experience was also incorporated to provide a contemporary perspective on ATC management and prognosis.
Main Results:
- Most ATC patients (80-90%) present with metastatic disease, underscoring the advanced nature of the cancer at diagnosis.
- Despite aggressive conventional treatments like surgery and chemoradiotherapy, survival rates remain poor.
- Key oncogenic mutations (BRAF, RAS, PI3K, PTEN, TP53, TERT) are implicated in ATC development, with targeted therapies like dabrafenib/trametinib showing potential.
Conclusions:
- The prognosis for anaplastic thyroid cancer remains challenging.
- Emerging targeted therapies targeting specific mutations offer a hopeful outlook for improved oncologic outcomes.
- Further research and clinical data are anticipated to clarify the impact of these novel treatments on ATC survival.
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