Malpractice Climate Is a Key Difference in Thyroid Pathology Practice Between North America and the Rest of the World

To the Editor.—We have read the Letter to the Editor by Warrick and Lengerich1 on “Thyroid cancer overdiagnosis and malpractice climate” with interest, that, in our opinion, explained the key difference in thyroid pathology practice between North America and the rest of the world. Significant interobserver variations in benign and malignant thyroid diagnosis have been noted among American and Japanese pathologists since 2002.2 Notably, Asian...