Lab test interpretation
Ovoid Calcium Oxalate Crystals in Urine Sediment
How to differentiate ovoid calcium oxalate crystals from red blood cells during urine sediment microscopy: optical properties, fine focus, and common errors.
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.
Hematology
Erythrocyte Chromia: Normochromia, Hypochromia, Hyperchromia
Morphological assessment of erythrocytes in peripheral blood smears: signs of normochromia, hypochromia, and hyperchromia in the differential diagnosis of anemias.
Hematology
Radial Aggregation of Red Blood Cells in Peripheral Blood Smear
Unusual fan-shaped arrangement and aggregation of red blood cells in a blood smear: differential diagnosis of preparation artifacts and pathological clusters.
Lab test interpretation
Urine Sediment Microscopy: Types of Casts in Nephropathy
Urine sediment microscopy in a nephrology patient: differential diagnosis of casts, proteinuria 3 g/L, hematuria, and renal epithelial cells.
Hematology
Niemann-Pick Disease: Storage Cells in Bone Marrow
A clinical case of Niemann-Pick disease in a 4-year-old child: morphology of foamy storage cells in a bone marrow aspirate smear.
Parasitology
Microscopy of Scrape in Otodectosis: Otodectes cynotis Eggs
Microscopic view of a feline ear canal scrape in otodectosis: identification of characteristic Otodectes cynotis ear mite eggs.
Lab test interpretation
Epithelial Casts in Urine Sediment: Microscopic Examination
Epithelial casts in urine: microscopic examination of sediment, morphology of renal epithelial cells, diagnostic significance in tubular necrosis and nephritis.
Lab test interpretation
Amyloid Bodies in Semen: Diagnostic Significance
Detection of layered amyloid bodies in ejaculate: morphology in native semen preparation, clinical significance in prostate gland pathology.
Lab test interpretation
Creatine Kinase MB Higher Than Total: Causes of Macro-CK
Why CK-MB activity exceeds total creatine kinase in biochemical analysis: the phenomenon of macro-CK, isoenzyme interference, and clinical significance.
Lab test interpretation
Urine Sediment Microscopy: Identify the Elements
Diagnostic exercise on urine sediment microscopy in a pregnant woman: acidic reaction, protein 0.027 g/L. Identify elements in the microscope field of view.
Hematology
Gaucher Cells in Bone Marrow Smear of a Child
Gaucher cells found in the bone marrow of a 2-year-old child with splenomegaly, thrombocytopenia, and anemia. Morphological features and clinical picture.
Lab test interpretation
Charcot-Leyden Crystals in Stool: Causes and Microscopy
Diagnostic significance of Charcot-Leyden crystals in newborn stool: connection to eosinophilia, galectin-10, celiac disease, and Loeffler's syndrome.