KROK 1 2018 – Question 137 · KROK (Medicine) · Pathomorphology
A 30-year-old man has undergone surgical removal of a thyroid tumor. Histologically the tumor is made up of papillary structures varying in size that emerge from the inner surface of dilated cystic follicles and are covered with atypical epithelium. What is the most likely diagnosis?
- A. Medullary carcinoma
- B. Papillary carcinoma
- C. Follicular carcinoma
- D. Colloid nodular goiter
- E. Macrofollicular adenoma
Hint
Focus on the architecture of the growth and the atypia of the lining epithelium, and compare it with how other thyroid tumours are organised.
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