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What is A patient presents with pain in back. Lab investigation shows elevated ESR. X-ray skull shows multiple punched out lytic lesions. Most impoant investigation to be done is: and explain in detail?
Multiple Myeloma. Multiple punched out lytic lesions of skull Dx- M bands on serum electrophoresis. Elevated ESR is an impoant finding in multiple myeloma Punched out lesions of skull are seen in Eosinophilic granuloma-bevelled edges (double contour) Multiple myeloma.