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Lateral radiograph of the skull shows a 5cm by 4cm well defined osteolytic lesion in the posterior parietal bone with a sclerotic margin. The matrix of the lesion appears ground glass and shows no calcification.

Lateral radiograph of the skull shows a 5cm by 4cm well defined osteolytic lesion in the posterior parietal bone with a sclerotic margin. The matrix of the lesion appears ground glass and shows no calcification.