KROK 1 Stomatology 2016 – Question 90 · KROK (Dentistry)
A 25-year-old man presents with tumourous growth situated in the area of the body of the maxilla, which results in face deformation. Biopsy material consists of fibrous tissue containing juvenile bone trabeculae, spindle and stellate cells. There is no clear margin between the normal bone tissue and lesion focus, capsule is absent. No pathologic changes can be detected in the other organs. Make the diagnosis:
- A. Odontogenic fibroma
- B. Osteoclastoma
- C. Osteosarcoma
- D. Ossifying fibroma
- E. Simple fibrous dysplasia
Hint
Focus on the combination of immature (woven) bone trabeculae in fibrous stroma with no capsule and no sharp border, in one bone only, in a young adult.
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