Detection of extracellular starch in stool by coprogram microscopy with Lugol's solution. Causes of amylorrhea and clinical significance of the test.
🔬 Extracellular starch. Stool, Lugol’s.
🙏 Image kindly provided by clinical laboratory diagnostics physician, Anna Ivanova, Moscow
Key aspects of fecal microscopy for coprograms: differential diagnosis of undigested striated muscle fibers and intracellular starch.
Microscopic examination of stool: identification of undigested and digested plant fiber, starch grains, and muscle fibers in a coprogram.
Microscopic detection of starch grains in stool (amylorrhea). Methylene blue stain, ×400 magnification. Assessment of carbohydrate digestion.
