Acute suppurative appendicitis with Blastocystis hominis

摘要: Blastocystis hominis (B. hominis) is an anaerobic protozoan parasite, which lives in human and animal's intestines. It commonly found the tropical area. The parasite low pathogen its infection causes gastrointestinal disease with diarrhea symptom as reported from many studies. B. rarely seen tissue section. clinical diagnoses are usually confirmed microscopic examination of stool, can directly detect through trichrom stain Kinyoun acid fast technique. We a case 52 years old man abdominal pain suspected perforated appendicitis tumor appendix differential diagnosis. macroscopic features mass were 7 cm length 1.5-2.5 diameter. cut section showed widening lumen, distal part filled gelatinous mass. HE infiltration PMN inflammatory cells muscle layer foci number round structures sub mucosal known hominis. Some authors results endoscopy biopsy examinations that does not infiltrate intestinal mucosa; nevertheless, this we towards layers appendix.