KROK 1 2010 – Question 123 · KROK (Medicine) · Pathomorphology

A 50 year old patient has been taking treatment thrice for the last 6 months because of fractures caused by domestic accidents. Microscopical examination of bony tissue revealed foci of lacunar resolution, giant-cell granulomas in the tumour-like formations, cysts. Bony tissue was substituted by fibrous connective tissue. Examination revealed also adenoma of parathyroid gland and hypercalcemia. What is the most probable diagnosis?

  1. A. Osteopetrosis
  2. B. Parathyroid osteodystrophy
  3. C. Myelomatosis
  4. D. Osteomyelitis
  5. E. Paget’s disease
Hint

Link the bone findings (lacunar resorption, giant-cell lesions, cysts, fibrous replacement) with the hormonal disorder and the hypercalcemia found in the same patient.

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