Urinary casts (phase contrast microscopy). (A), Hyaline cast; (B), hyaline-granular cast; (C), waxy cast; (D), erythrocyte cast, with erythrocytes (arrows) embedded in cast matrix; (E), hemoglobin cast; (F), leukocyte cast, showing large nuclei (arrows) characteristic of polymorphonuclear leukocytes.
Medical dictionary. 2011.