Non-gynaecological Cytology
Thyroid cytology
Anatomy and physiology of the thyroid
Thyroid nodules
Classification of thyroid neoplasms
Fine needle aspiration (FNA)
Adequacy of the specimen
Evaluation of the specimen
Terminology for reporting results
Benign conditions
The follicular lesions
Malignant tumours
Parathyroid tumours

Terminology for reporting results

It is advisable to use diagnostic categories such as “negative” (benign), “suspicious”, “positive” (malignant) and “non-diagnostic” (unsatisfactory), followed by a description.

An increasingly used classification identifies five categories basically splitting the suspicious category into probably reactive (T3 - low risk of malignancy) and probably malignant (T4 - high risk).

The Thy classification adapted from that highlighted by the Royal College of Physicians

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