Laboratory methods
Dermatophyte Diagnosis: Spore Type in Hair & Wood's Lamp
Differential diagnosis of dermatophytes: spore location in hair (ectothrix, endothrix) and fluorescence characteristics under Wood's lamp. Essential for lab professionals.
Lab test interpretation
Erythrocytes in Stool: Microscopic Picture of Coprogram
Stool microscopy for positive occult blood: detection of unchanged erythrocytes in a coprogram smear at 400x magnification. Learn more.
Lab test interpretation
Striated Muscle Fibers in Stool: Lab Hematology School
Microscopy of stool: undigested striated muscle fibers (creatorrhea). Diagnostic significance in coprogram analysis. Learn more about stool analysis.
Lab test interpretation
Calcium Phosphate Crystals in Urine Sediment: Microscopy
Morphology of neutral calcium phosphate crystals in urine sediment: prisms and rosettes under light microscopy at 400x magnification.
Lab test interpretation
Indigestible Plant Fiber in Coprogram Analysis
Microscopic view of undigested plant fiber in stool. Morphological features of plant cells in coprogram at 400x magnification.
Lab test interpretation
History of Urine Microscopy: First Description of Crystals
Explore the history of urine sediment microscopy: how Nicolas-Claude Fabri de Peiresc first examined crystals in urine under a microscope in 1630. Materials on urinalysis.
Lab test interpretation
Coprogram: Fatty Acids and Neutral Fat in Stool
Stool microscopy in steatorrhea. Differentiation of neutral fat and fatty acids with methylene blue staining in coprogram at 400x magnification.
Clinical cases
Hair Microscopy in Trichophytosis: Ectothrix-Type Spores
Microscopic findings of hair infection in trichophytosis. Ectothrix-type fungal spore arrangement, absence of Wood's lamp fluorescence, 400x magnification.
Lab test interpretation
Acanthocytes in Urine: Marker of Glomerular Hematuria
Morphology and diagnostic significance of acanthocytes in urine. Presence of >5% acanthocytes as a marker of glomerular hematuria during sediment microscopy.
Lab test interpretation
Iodophilic Flora in Neonatal Stool: Microscopic Examination
Microscopic examination of neonatal stool with Lugol's solution: detection of iodophilic flora during coprogram. Evaluation of the preparation at 400x magnification.
Lab test interpretation
Multinucleated Transitional Epithelium in Urine Sediment
Microscopy of urine sediment: a trinucleated transitional epithelial cell (urothelium) with bacteriuria. Morphological features at 400x magnification.
Laboratory methods
Elastic Fibers in Skin Scrapes: Distinguishing from Fungal Mycelia
Learn to differentiate elastic fibers from fungal mycelia in skin scrapes under microscopy with 20% KOH: morphology, branching, and optical properties.