Lab test interpretation
Fungal Mycelium in Native Sputum Smear Microscopy
Microscopic examination of native sputum smear: branching fungal mycelium detected amidst erythrocytes at 100x and 400x magnification. A case study.
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
Blast vs. Lymphoma Cells: Sysmex WPC Channel Insights
A clinical case demonstrating the differential diagnosis of blasts and atypical lymphocytes in suspected lymphoma using the WPC channel of a Sysmex XN-9100 analyzer.
Lab test interpretation
Malassezia furfur in Skin and Nail Plate Scrapings
Microscopic features of Malassezia furfur in KOH preparations: criteria for mycelial and spore detection, differential diagnosis of onychomycosis and contamination.
Laboratory methods
Festive Lab Decor: New Year's Decorations from Test Tubes
Discover creative holiday decorations for a clinical diagnostic laboratory: a New Year's tree and a snowman crafted by KDL staff using laboratory test tubes.
Lab test interpretation
Ammonium Urate Crystals in Urine Sediment at pH 7.5
Explore the morphology of ammonium urate crystals in urine sediment at pH 7.5, including microscopic spherical formations and the macroscopic appearance of the sediment.
Hematology
Neutrophil Vacuolization: Causes and Clinical Significance
What neutrophil vacuolization in a blood smear means: a marker of severe bacterial infection, sepsis, or an artifact of prolonged EDTA sample storage.
Hematology
Blood Chimerism: Erythrocyte Antigen Phenotyping
What is blood chimerism, why does a mixed erythrocyte population occur, and how does it manifest in immunohematological analysis on a gel card.
Hematology
Blood Chimerism: Blood Group Phenotyping
What is blood chimerism? Learn about the causes of a dual red blood cell population and the specifics of Rh and Kell antigen phenotyping using gel cards.
Hematology
Blood Chimeras: Erythrocyte Antigen Phenotyping
What are blood chimeras and why do two erythrocyte populations arise? Features of the double field reaction in Rh and Kell system antigen typing.
Lab test interpretation
Neurosyphilis Diagnosis: CSF Immunofluorescence Assay (IFA)
Detecting Treponema pallidum antibodies in CSF using IFA: test sensitivity, specificity, and laboratory criteria for neurosyphilis diagnosis.
Lab test interpretation
Triple Phosphate Crystals in Urine Sediment: Microscopy at pH 9.0
Identification of salt crystals in urine sediment with an alkaline reaction (pH 9.0). Morphological features of triple phosphates under light microscopy.
Hematology
Neutrophil Hypogranulation: Causes and Morphology
What neutrophil hypogranulation in a blood smear means: diagnostic significance in severe infections and myelodysplastic syndrome (MDS).