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.
Articles
Blood and bone marrow morphology, clinical cases and diagnostic algorithms. Most of the library is in Russian; the English section is growing.
Most of our material is written in Russian — that is the working language of the community. A few pieces exist in English; the rest of the library is one click away and the photographs need no translation.
Oncohematology
Feline Eosinophilic Leukemia: Hyperleukocytosis in Blood Smear
A clinical case of extreme leukocytosis (>370,000/µL) in a cat with suspected eosinophilic leukemia: eosinophil morphology and a mast cell in the smear.
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.
Laboratory methods
Yeast-like Fungi Contamination in Blood Smears
Yeast-like organisms in blood smears as a result of contamination during sample collection or staining. Analysis of a preanalytical error in clinical practice.
Lab test interpretation
Canine Testicular Germ Cell Spindle: Cytology and Morphology
Cytological image of normal canine testicular tissue: dividing germ cells with visible mitotic spindles. Morphology of spermatogenesis.
Clinical cases
Fungal Keratitis: Yeast-like Fungi in Corneal Scrapings
A clinical case of fungal keratitis: microscopy of corneal ulcer scrapings, May-Grünwald stain, revealing yeast-like fungal spores and pseudomycelia.
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.
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
Microscopy of Flora Smear: Inclusions in Squamous Epithelium
Analysis of flora smear microscopy: squamous epithelial cells, rod-shaped flora, and differential diagnosis of intracellular inclusions versus staining artifacts.
Lab test interpretation
Urethral Smear Microscopy in Chlamydia: A Case Study
A urethral smear from a man with confirmed chlamydia. What morphological signs in the micropreparation suggest chlamydial infection?
Laboratory methods
Myelin in Nail Samples: Distinguishing from Fungal Spores
Microscopy of nail scrapings with 20% KOH: why myelin is mistaken for fungal spores, morphological differences of artifacts, and sample preparation features.
Clinical cases
Granulomatous Inflammation in Lymph Node Imprint Cytology
Cytological features of sarcoid-type inflammation in a cervical lymph node: clusters of epithelioid histiocytes and multinucleated giant cells.