KROK 1 2013 – Question 61 · KROK (Medicine) · Pathomorphology

A 40-year-old patient with the progressing staphylococcal purulent periodontitis developed purulent inflammation of bone marrow spaces of the alveolar process, and then of the body of mandible. Microscopy revealed thinning of bone trabeculae, foci of necrosis, bone sequesters surrounded by the connective tissue capsule. What is the most likely diagnosis?

  1. A. Chronic fibrous periostitis
  2. B. Purulent abscess
  3. C. Parodontome
  4. D. Chronic osteomyelitis
  5. E. Acute osteomyelitis
Hint

Ask what the presence of dead bone fragments already enclosed by a connective tissue capsule says about how long the process has been going on.

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