White blood cells casts

White blood cells casts ( hpf, toluidine blue)

White blood cells casts: "mixed RTC", "mixed oval fat bodies" ( hpf, toluidine blue)

White blood cells casts ( hpf, Naphtyl chloroacétate estérase)

Hyaline white blood cells cast ( hpf, Naphtyl chloroacétate estérase)

White blood cells casts ( hpf, unstained)

White blood cells casts ( 40x, phase contrast)   Dr André Audet collection

Side to side compared RTC cast  and WBC cast and . Dr André Audet collection

Beware!! pseudocasts

pseudo WBC casts ( hpf, unstained, Naphtyl chloroacétate estérase)

Notice the missing matrix