title: Balantidium peritonitis diagnosed on cytologic material.
abstract: Balantidium coli were detached in a routine cytologic smear of ascitic fluid. The morphologic features were clearly discernible in the Papanicolaou stained smears.
mesh_terms: D001447:Balantidiasis / Q000175:diagnosis* / Q000382:microbiology; D001448:Balantidium / Q000166:cytology; D005260:Female; D006801:Humans; D008875:Middle Aged; D010538:Peritonitis / Q000175:diagnosis* / Q000382:microbiology