This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Radiology
[{'content': 'Punctuated lesion and floating teeth are seen in \nSelect and explain. \nA. Metastasis, B. Osteitis fibrosa, C. Histiocytosis, D. Asbestosis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Skullsolitary or multiple punched-out lytic lesions without sclerotic rimdouble contour/beveled edge appearance /hole within a hole signbutton sequestrum representing residual bonegeographic skull/ raindrop skullMandibleirregular radiolucent areas involving superficial alveolar bonefloating tooth: loss of lamina duraSpineveebra plana: most common cause of veebra plana in childrenLong bonespermeative and aggressive appearing lesionmainly involves diaphysis or metadiaphysis endosteal scalloping, periosteal reaction, coical thinning, intracoical tunneling, and associated soft tissue mass (Ref: Radiology Review ManualBy Wolfgang Dahne 7thEtd, Page no:115,116)', 'role': 'assistant'}]