<prompt> This appearance in a 60-year-old man is suggestive of:Eosinophilic granulomaMultiple myelomaHyperparathyroidismAcromegaly  <response>: Ans. B Multiple myelomaRadiograph of skull shows multiple punched out uniform lytic lesions - peculiar of Multiple myeloma - described as Rain drop skullQ. Other imaging signs include Salt pepper appearance of vertebraQ on MRIVertebra planaQWrinkled vertebraQ. Lesions show cold spots on 99m - Tc - MDP bone scanQ. 