ABSTRACT
Introduction 328
Thyroid gland 328
Fine needle aspiration cytology 330
Developmental conditions 333
Acquired conditions 333
Tumours of follicular epithelium 338
Tumours showing C-cell differentiation 348
Other neoplasms and tumour-like lesions 351
Intraoperative frozen section examination 352
Thyroid cancer staging 353
Parathyroid glands 353
Key evidence 364
Key learning points 364
References 364
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