Bone Pathology

For each of the following patients, select the most likely pathologic finding:

1. An 82-year-old woman is noted to have had back pain for the past month, and a plain film radiograph of the spine reveals decreased height of both the T11 and T12 vertebrae, but no mass lesions are seen:

2. A 5-year-old girl with blue sclerae has deformities of her extremities marked by many healing fractures of various ages in multiple long bones:

3. A 72-year-old man has developed Bell's palsy over the last 2 months with facial droop on the left side:

4. There are multiple lytic lesions from 0.5 to 3 cm in size noted in the skull and vertebrae on plain film radiographs of a 58-year-old man:

5. A 20-year-old man exhibits dwarfism, with short arms and legs, but his head and trunk appear normal in size. He has no major medical problems:

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