PTC Cytology — RACP Adult Medicine MCQ

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EasyEndocrinology & DiabetesPTC CytologyRACP Adult Medicine

A 45-year-old woman: thyroid FNA shows nuclear grooves, Orphan Annie eyes, psammoma bodies. Diagnosis?

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Correct answer: E — Papillary thyroid carcinoma

Pathognomonic PTC features. Most common thyroid malignancy (80–85%). Excellent prognosis (>95% 10-year survival).

Reference: Cancer Council Australia – 2023; ATA – 2015