Follicular thyroid carcinoma

• Facts:
  Accounts for 15% of all thyroid cancer
  More malignant than papillary thyroid carcinomas
  Spreads hematogenouslsy, metastasize to distal organs
• History / PE:
  Hard, fixed, nontender thyroid nodule
  
• Diagnosis:
  Fine needle aspiration biopsy (FNAB) shows follicular cells
  Hurthle cells (also in papillary cancer)
• Treatment:
  Near total thyroidectomy with post op radioiodine ablation
• Differential Diagnosis:
  Follicular adenoma (no blood vessel invasion)