Related Experiment Video
Updated: Jul 8, 2026

Generation of a Mouse Spontaneous Autoimmune Thyroiditis Model
Published on: March 17, 2023
Uncommon causes of thyrotoxicosis
Erik S Mittra1, Ryan D Niederkohr, Cesar Rodriguez
1Division of Nuclear Medicine and Molecular Imaging Program at Stanford, Department of Radiology, Stanford University Hospital and Clinics, Stanford, California 94305-5281, USA.
This review explores over 20 rare causes of thyrotoxicosis beyond common conditions like Graves' disease. It highlights diagnostic approaches including thyroid hormone levels and radioactive iodine uptake for accurate diagnosis.
Area of Science:
- Endocrinology
- Thyroidology
Background:
- Thyrotoxicosis, characterized by elevated thyroid hormones, is often attributed to Graves' disease or nodular goiters.
- However, numerous less common etiologies exist, contributing to diagnostic challenges.
Observation:
- This review details over 20 rarer causes of thyrotoxicosis.
- Fourteen illustrative patient cases are presented to demonstrate these conditions.
- Diagnostic recommendations include measuring thyrotropin and free thyroxine levels, with free triiodothyronine assessment if free thyroxine is normal.
Findings:
- The study emphasizes the importance of considering uncommon causes of thyrotoxicosis.
- Diagnostic algorithms involving specific hormone assays and radioactive iodine uptake are crucial.
Implications:
- Accurate diagnosis of rare thyrotoxicosis subtypes is essential for effective patient management.
- Clinicians should be aware of these less frequent conditions to avoid diagnostic delays and ensure appropriate treatment strategies.
Related Concept Videos
Hyperthyroidism I: Introduction
Hyperthyroidism II: Pathophysiology
Graves Disease II: Pathophysiology
Graves' Disease I: Introduction
Hypothyroidism II: Pathophysiology
Goiter