Goitre

Question 1

What are the common differentials for goitre?

Answer 1

• Diffuse goitre
  
  • Iodine deficiency
  • Thyroiditis
  • Autoimmune (Grave’s/Hashimoto’s)
• Nodular
  
  • Multinodular (toxic/non-toxic)
  • Single nodule (cyst, adenoma, malignancy)

Question 2

What are the four main investigations used in assessment of goitre?

Answer 2

• TFTs
• Ultrasound
• Radionuclide scans
• FNA

Question 3

What features on history/exam are suggestive of a thyroglossal cyst?

Answer 3

• Midline swelling below the hyoid bone (most common midline neck mass)
• Lump moves on tongue protrusion
• Generally asymptomatic except if infected