This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nephrology, Subject name: Medicine
Which of the following is not a cause of glomerular proteinuria? 
Select and explain. 
A. Diabetes Mellitus, B. Amyloidosis, C. Multiple myeloma, D. Nil Lesion
C: Multiple myeloma
Answer: C: Multiple myeloma 
Explanation: Multiple myeloma is characterized by tubular proteinuria. The Bence Jones proteins induce tubular damage Increased beta-2-microglobulin levels in urine is an prognostic indicator of Multiple myeloma Diabetes Mellitus and amyloidosis lead to damage to basement membrane of the kidney leading to glomerular proteinuria in form of albuminuria Nil Lesion is also called as minimal change disease and presents as glomerular cause of proteinuria leading to nephrotic presentation . Multiple Myeloma: SPEP will demonstrate a sharp peak ("church spire" orM band) in the gamma globulin region as shown below: