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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Bence jones proteins are -
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The correct answer is  About two-third cases of multiple myeloma excrete Bence Jones peotein i.e, light chain Ig G in the urine. Bence Jones proteins are paraproteins or abnormal immunoglobulins or their pas circulating in plasma & excreted in urine.Reference :Harsh mohan textbook of pathology sixth edition pg no 383.