Protozoan infections

Trichrome Staining for Fecal Smears

Trichrome Staining for Fecal Smears

Trichrome staining is a simple yet rapid technique that produces uniformly well-stained smears of the intestinal protozoa, human cells, yeast, and artifact material.

Naegleria fowleri: Characteristics, Pathogenesis and Lab Diagnosis

Naegleria fowleri: Characteristics, Pathogenesis and Lab Diagnosis

Naegleria fowleri, commonly referred to as the “brain-eating amoeba” is a small, free-living water and soil amebae capable of causing opportunistic infections in humans.

Toxoplasma gondii: Properties, Life Cycle, and Diagnosis

Toxoplasma gondii: Properties, Life Cycle, and Diagnosis

Toxoplasmosis causes mild infections in immunocompetent individuals but can cause congenital infections if a mother acquire primary infection during pregnancy

Giardia lamblia: Life Cycle, Diseases, Lab Diagnosis

Giardia lamblia: Life Cycle, Diseases, Lab Diagnosis

Giardia lamblia is a protozoan flagellates that causes Giardiasis. Ova and parasite examination is a routine method of diagnosis.

Entamoeba histolytica: Life Cycle, Diseases, Lab Diagnosis

Entamoeba histolytica: Life Cycle, Diseases, Lab Diagnosis

Entamoeba histolytica causes amoebic dysentery (bloody diarrhea). Presence of trophozoite with ingested RBCs is diagnostic.

Lab Diagnosis of Trichomonas vaginalis infections

Lab Diagnosis of Trichomonas vaginalis infections

Causative agent of Trichomoniasis, Trichomonas vaginalis is a protozoan parasite and is transmitted sexually. It has a pear-shaped trophozoite.

Amoebic dysentery vs. Bacillary dysentery

Amoebic dysentery vs. Bacillary dysentery

Bacillary dysentery also known as shigellosis is a bacterial disease whereas Amoebic dysentery (also known as amoebiasis) is caused by a invasive protozoan parasite.