Labels:text OCR: Resident and Staff Physician Patient Education Chart Small Kidney Stones Multiple Small Renal Calculi: If formed in the renal pelvis, these tend to be 2mm to 3mm in diameter May be rounded or jagged * May produce no symptoms * Most affected age group are those 22 to 55 years old * Most kidney stones arise in the kidney * 70% to 80% of stones pass during urination Reprinted with permission from Resident and Staff Physician (c) 1991-92, 1993 by Romaine Pierson Publishers, Inc.
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