
Microscopy Exercise: Identify the Finding in a Stool Smear
A clinical laboratory diagnostics exercise: microscopy of a native stool smear from a 28-year-old woman. Try to identify the object found in the photo.

A clinical laboratory diagnostics exercise: microscopy of a native stool smear from a 28-year-old woman. Try to identify the object found in the photo.

Diagnostic challenge: a single object found in a Kato stool smear during the examination of a pregnant woman. Try to identify the finding from the photo.

A diagnostic exercise on urine sediment microscopy for a 42-year-old male. Identify characteristic elements and inclusions in the native urine sample.

Morphology of dysgranulopoiesis: giant and hypersegmented neutrophils in a peripheral blood smear in myelodysplastic syndrome after therapy.

Morphological features of the protozoan Chilomastix mesnili in a stool smear: microscopic characteristics of the cyst with a hyaline knob and the trophozoite.

A diagnostic challenge in stool microscopy for an adult patient: help identify the origin of the structures found in a native preparation.

A clinical case in fecal microscopy: identify the nature of spindle-shaped, pointed structures, approximately 100 µm long, found in a cat's fecal sample.

A diagnostic microscopy challenge: how to differentiate spindle-shaped structures on hair – hair scales or pathogenic fungal macroconidia.

Microscopic view of coccidiosis: numerous Cystoisospora spp. oocysts in a native canine fecal smear during laboratory examination.

Anatomical structure of Giardia duodenalis trophozoite: nuclei, adhesive disc, flagella, and median bodies. Morphological markers of Giardia in the laboratory.

Morphology of Hymenolepis diminuta tapeworm eggs under stool microscopy. Differential diagnosis with Hymenolepis nana and absence of polar filaments.

Rules and formula for white blood cell (WBC) correction when normoblasts are found in peripheral blood. Reasons for falsely elevated readings by hematology analyzers.