Overview
Non-toxic nodular goiter (NTNG) refers to an enlargement of the thyroid gland characterized by multiple nodules without evidence of malignancy or hyperfunction, often associated with iodine deficiency or autoimmune thyroiditis 1.Diagnosis
Clinical evaluation including thyroid palpation and assessment for compressive symptoms 1.
Thyroid function tests (TSH, free T4) to rule out hyperthyroidism or hypothyroidism 1.
Ultrasound for nodule characterization, size, and number 1.
Fine-needle aspiration biopsy if suspicious features are present on ultrasound 1.
Radioiodine scan may be considered to assess for autonomous function 1.Management
Observation with regular follow-up for asymptomatic patients with stable nodules 1.
Thyroid hormone therapy to suppress TSH and potentially shrink nodules in symptomatic cases 1.
Iodine supplementation if iodine deficiency is identified 1.
Surgical intervention considered for compressive symptoms, large nodules, or diagnostic uncertainty 1.Special Populations
Pregnancy: Monitoring and conservative management preferred; thyroid hormone requirements may change 1.
Pediatrics: Growth and development monitoring essential; management similar to adults but with closer surveillance 1.
Elderly: Focus on symptom management and risk stratification for surgery 1.
Comorbidities: Tailor management considering coexisting conditions; thyroid hormone therapy dosing adjusted accordingly 1.Key Recommendations
Regular clinical follow-up and ultrasound monitoring are recommended for asymptomatic patients with NTNG to assess for changes 1 (Evidence: Moderate).
Thyroid hormone therapy can be considered for symptomatic patients or those with compressive symptoms to manage symptoms and potentially reduce nodule size 1 (Evidence: Moderate).
Surgical referral is advised for patients with significant compressive symptoms or diagnostic uncertainty despite imaging and biopsy 1 (Evidence: Moderate).References
1 Liu J, Zhao Y, Zhang L, Liu H, Zhang G. A Label-Free G-Quadruplex/Thioflavin T Fluorescent Sensor for ClO. Biosensors 2026. link