The malignant "cold" nodule of the thyroid.

Area of Science:

• Endocrinology
• Surgical Oncology
• Public Health

Background:

• Cold nodules of the thyroid are a common clinical finding.
• Surgical intervention is often required for diagnosis and treatment.
• Understanding the prevalence of thyroid carcinoma in these cases is crucial for patient management.

Purpose of the Study:

• To determine the incidence of thyroid carcinoma in patients with cold thyroid nodules.
• To analyze the association of malignancy rates with patient demographics such as age and race.
• To provide data for risk stratification and clinical decision-making.

Main Methods:

• Retrospective analysis of 910 patients who underwent thyroid surgery for cold nodules between 1958 and 1976.
• Histopathological examination of surgical specimens to confirm thyroid carcinoma.
• Statistical analysis of malignancy rates by age groups and racial demographics.

Main Results:

• Thyroid carcinoma was diagnosed in 202 patients (22.2%), with higher rates in females (20.9%) than males (27%).
• The highest malignancy rate was observed in patients over 70 years old (40.4%), followed by the 21-30 age group (29.6%).
• Black patients exhibited a lower incidence of thyroid carcinoma compared to Caucasian patients.

Conclusions:

• Cold thyroid nodules have a significant risk of underlying malignancy, necessitating surgical evaluation.
• Age is a critical factor influencing thyroid carcinoma risk in patients with cold nodules.
• Racial disparities in thyroid carcinoma incidence warrant further investigation in the context of cold nodules.