KROK 1 Stomatology 2013 – Question 46 · KROK (Dentistry)

Histological study of the bronchial wall and adjacent lung segments revealed sheets and strands of squamous epithelium. The cells have moderately expressed symptoms of atypia: polymorphism, nuclear hyperchromatism, mitoses. In the center of the complex there are concentric pink formations. What is the most likely diagnosis?

  1. A. Scirrhus
  2. B. Undifferentiated carcinoma
  3. C. Adenocarcinoma
  4. D. Keratinizing squamous cell carcinoma
  5. E. Non-keratinizing squamous cell carcinoma
Hint

Identify what the concentric pink formations in the center of epithelial nests represent.

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