Bubble cast (1)

Vacuolated cast from the urinary sediment of a patient with diabetic nephropathy. The cast is filled with vacuoles of various sizes. Sternheimer-Malbin stain, X400.

---

Vacuolated cast from the urinary sediment of a patient with systemic lupus erythematosus complicated with nephrotic syndrome. One end looks like a waxy cast and the other end looks like a fatty cast. There are many lipoid granules in the background. Sternheimer-Malbin stain, X400.