title: Cholesterol crystals as the source of diffuse echoes in a benign renal cyst.
mesh_terms: D000368:Aged; D002784:Cholesterol; D003460:Crystallization; D006801:Humans; D052177:Kidney Diseases, Cystic / Q000175:diagnosis*; D008297:Male; D014463:Ultrasonography
chemical_list: D002784:Cholesterol