Hematology
Toxic Granulation of Neutrophils: Causes and Morphology
What toxic granulation of neutrophils in a blood smear means. Mechanism of granule formation, connection to infection severity, sepsis, and clinical significance.
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.
Lab test interpretation
Triple Phosphate Crystals in Urine Sediment: Morphology and pH
Morphology of triple phosphate crystals in urine sediment with alkaline reaction (pH 8.0). Causes of struvite appearance and features of microscopic diagnosis.
Parasitology
Dientamoeba fragilis in Stool: Laboratory Diagnostics
Microscopic detection of Dientamoeba fragilis in stool after PARASEP enrichment. Morphology of the protozoan, clinical features, and diagnosis of dientamoebiasis.
Parasitology
Parasitology Challenge: Unknown Object in Urine Sediment
A diagnostic parasitology challenge: a motile microorganism, 130 µm long, was found in a native urine sediment preparation. Identify the object from the photos.
Hematology
Emperipolesis in Megakaryocytes: Bone Marrow Cytology
The phenomenon of emperipolesis in bone marrow: active penetration of intact cells into the megakaryocyte cytoplasm in a puncture smear.
Lab test interpretation
Microscopy of Flora Smear: Differential Diagnosis of Trichomonads
Diagnostic exercise on microscopy of vaginal flora smear. Determine whether trichomonads or other cellular elements are present in the sample.
Lab test interpretation
Crystals in Urine Sediment: Morphology and Types of Salts
Atlas of salts in urine sediment: morphology of triple phosphates, calcium oxalates, ammonium biurate, bilirubin, and uric acid under microscopy.
Parasitology
Microscopy of Demodex folliculorum in Native Eyelash Preparations
Microscopic diagnosis of demodicosis: detection of Demodex folliculorum mites in native eyelash preparations during laboratory examination.
Lab test interpretation
Yeast-like Fungi Mycelium in Urine Sediment Microscopy
Urine sediment microscopy: detection of mycelium and budding yeast-like fungi cells. Laboratory diagnosis of candiduria and urinary tract mycoses.
Laboratory methods
Christmas Tree from Microtubes in the Laboratory
An example of festive decoration in a clinical diagnostic laboratory: a Christmas tree assembled from plastic microtubes with colored solutions.
Lab test interpretation
Yeast Mycelium in Native Stool Sample: Lab Hematology School
Microscopic view of yeast-like fungi mycelium in a coprogram: identification of pseudomycelium threads in a native stool sample in intestinal candidiasis.
Hematology
Cabot Rings in Erythrocytes: Morphology and Diagnostics
What are Cabot rings in erythrocytes? Morphological features, causes of appearance in megaloblastic anemia and myelodysplastic syndrome.