KROK 1 Stomatology 2012 – Question 53 · KROK (Dentistry)

Examination of a 30-year-old man’s mandible revealed in the region of his molar a dense tumour-like formation that significantly deformed the mandible. Here and there the formation wasn’t fully detached from the bone tissue. Microscopical examination of a tissue sampling revealed that stroma had some cords and follicles with odontogenous cylindric epithelial cells in peripheria and stellate cells resembling of the enamel organ pulp in the centre. What is the most likely diagnosis?

  1. A. Primary intraosteal cancer
  2. B. Osteoclastoma
  3. C. Adenomatoid tumour
  4. D. Ameloblastoma
  5. E. Adenocarcinoma
Hint

Focus on the follicles lined by columnar odontogenic epithelium surrounding stellate reticulum-like cells, and on the typical site in the mandibular molar region.

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