Renal tubular epithelial cell cytoplasmic vacuolization 2019-12-22T09:35:38Z Tubular cross section with intracytoplasmic vacuoles in at least one tubular epithelial cell. This feature is classified as isometric when vacuoles are round and similar in size and coarse when vacuoles were not round in shape or varied in size. Abnormal renal tubular epithelial morphology