Dirty brown casts

Dirty brown casts ( lpf, hpf, unstained)

Notice the natural dirty brown coloration

Dirty brown casts ( lpf, hpf, unstained)

dirty brown 10x

Dirty brown casts ( lpf, unstained)

Notice the context! Cellular casts, necrotic renal tubular cells ( often dirty brown), waxy cast, blood..

dirty brown cast dirty brown cast

Dirty brown casts (hpf, unstained)