Lamblia intestinalis Cysts in a Stool Smear

Morphology of Lamblia intestinalis cysts in the stool of a 4-year-old child. Microscopy of a native preparation with Lugol's solution at x400 magnification for giardiasis diagnosis.

Natalia Morkhova 1 min July 30, 2025

Stool smear with Lugol's solution, oval cysts of Lamblia intestinalis, x400 magnification

Stool preparation with Lugol's solution, single Giardia cysts against a background of detritus, x400 magnification

Overview of the microscope field of view, stool preparation with Lugol's solution, Giardia cysts

Lamblia intestinalis cysts. Stool of a 4-year-old child, Lugol’s solution, x400 magnification. Confirmed by the FBHI Center for Hygiene and Epidemiology. 🙏Images kindly provided by biologist Natalia Morkhova

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