Hyaline cast in urine in normal healthy person

In the present study of outpatient setting, normal healthy male individuals were selected by the history and physical examination and urinalysis results were observed for the presence of hyaline cast. After clinical confirmation of healthy individuals in age group between 20-52 years, were selected for routine urinalysis and urine sediment was examined by unstained and stained preparation by Sternheimer-Malbin stain for the presence of hyaline cast. A total of 10% of these patients had shown hyaline cast in urine. Out of the 10 individuals, 6 had given the history of moderate to strenuous exercise. Rest of the four had not given any history of strenuous exercise, trauma or any concurrent acute and chronic illness or fever. Proteinuria of moderate to severe degree was detected by Dipstick method and heat and acetic acid method in all the cases showing the microscopic finding of hyaline cast. Microscopic hematuria was seen in 1 patient along with hyaline cast given the history of severe strenuous exercise 48 hours back. Demographic data collected were age, weight, family history of any renal disease.