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Parasitology

Laboratory Diagnosis of Amoebiasis: Stool Microscopy

A clinical case of intestinal amoebiasis in a child: detection of Entamoeba histolytica trophozoites in a native stool smear and a Romanowsky-stained smear.

Zulfiya Bukhtoyarova Zulfiya Bukhtoyarova 1 min
Romanowsky-stained stool smear, amoeba trophozoite among leukocytes
Romanowsky-stained stool smear, amoeba trophozoite among leukocytes
Romanowsky-stained stool smear, Entamoeba histolytica trophozoite
Romanowsky-stained stool smear, Entamoeba histolytica trophozoite
Romanowsky-stained stool smear, tissue form of amoeba with vacuoles
Romanowsky-stained stool smear, tissue form of amoeba with vacuoles
Romanowsky-stained stool smear, leukocytes and protozoan trophozoites
Romanowsky-stained stool smear, leukocytes and protozoan trophozoites
Native stool preparation, dysenteric amoeba trophozoite
Native stool preparation, dysenteric amoeba trophozoite
Native stool preparation, vegetative forms of protozoa in mucus
Native stool preparation, vegetative forms of protozoa in mucus
Native stool preparation, large Entamoeba histolytica trophozoite
Native stool preparation, large Entamoeba histolytica trophozoite

🐍 A parasitology case from our subscriber.

A child, 8 years old, was admitted to the hospital with complaints of high fever (39.0 °C), liquid stool with blood admixture, and no improvement after treatment for enterocolitis prescribed by a pediatrician, which included antibiotic therapy. Laboratory stool examination revealed a significant number of leukocytes, erythrocytes, and mucus. To clarify the diagnosis, a microscopic examination of a native stool smear (images 5-7) and a Romanowsky-stained smear (images 1-4) was performed.

❓What is the presumptive diagnosis?

🙏 The material for the case was kindly provided by KDL physician Zulfiya Bukhtoyarova, Nizhnevartovsk

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