5 This feature is recognizable as plant-food debris based on the feature of clear capsules surrounding the stained granules. C, Food debris in the urine sediment (Sternheimer-Malbin stain, ×400). B, The clearly visible food debris–like component (Sternheimer-Malbin stain, ×400). A, The food debris–like component is apparent (Sternheimer-Malbin stain, ×100). Microscopic images of the urine sediment of our patient, a 50-year-old ethnic Japanese woman, examined by microscopy, vs confirmed food debris in the urine sediment of another proband. We further believe that the findings from this case are valuable to professionals who administer clinical treatment and perform laboratory testing. We believe that it is important to derive a correct diagnosis when an unfamiliar component is observed in urinary sediment.
#Particles in urine skin
To our knowledge, ours is the first report in the literature to demonstrate that the urostomy skin barrier can dissolve and mimic food debris in urine sediment, leading to incorrect assumptions regarding the presence of fistulas. Instead, we discovered that the food debris–like component originated from the urostomy skin barrier. However, after performing an experiment to verify the results, we determined that no fistula was present. Based on this finding, we suspected a fistula between the urinary and intestinal tracts.
Results of the microscopic examination of the urine collected from the urostomy pouch of the patient showed a food debris–like component. We experienced a case involving a patient who had developed a fever after undergoing a urinary-diversion operation. Microscopic examination of urine sediment is a basic, common method of detecting diseases of the urinary tract.
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