Lab test interpretation
Decoy Cells in Urine Sediment Cytology with Polyomavirus
Morphological features of decoy cells in urine sediment: intranuclear viral inclusions, differential diagnosis with urothelial carcinoma.
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
Neutral Calcium Phosphate Crystals in Urine Sediment
Morphology of neutral calcium phosphate (calcium hydrogen phosphate) crystals in urine sediment. Microscopic features and differential diagnosis.
Laboratory methods
Phenylketonuria Screening: The Cost of a Lab Error
Clinical case: Delayed phenylketonuria screening led to delayed treatment for a child and a multi-million dollar lawsuit against the laboratory.
Parasitology
Trichomonads in a Flora Smear: Microscopic Picture
Detection of Trichomonas vaginalis during microscopic examination of a flora smear. Morphology of protozoa against the background of a pronounced neutrophilic leukocyte reaction.
Parasitology
Dioctophymosis: Dioctophyme renale Eggs in Urine Sediment
Dioctophymosis is a parasitic disease caused by Dioctophyme renale. Learn about transmission routes, clinical manifestations, and urine sediment microscopy for egg detection.
Hematology
Pernicious Anemia and Vitamin B12 Deficiency: A Clinical Case
A clinical review of pernicious anemia: severe B12 deficiency, pancytopenia, macrocytosis, critical LDH levels, and neurological symptoms.
Lab test interpretation
Triple Phosphate Crystals in Urine Sediment at Alkaline pH
Microscopy of urine sediment: numerous triple phosphate (struvite) crystals shaped like coffin lids, observed at an alkaline reaction (pH 9) in a child.
Clinical cases
Adenocarcinoma Metastases in Pleural Fluid
Cytological examination of hemorrhagic exudate in a lung tumor: detection of metastatic glandular carcinoma cells in the pleural cavity.
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.
Parasitology
Hymenolepis Nana Egg in Stool: Microscopic ID
Microscopic identification of Hymenolepis nana eggs in stool. Morphological features of the oncosphere and membranes in the diagnosis of hymenolepiasis.
Lab test interpretation
Acid Ammonium Urate Crystals in Urine Sediment
Morphology of acid ammonium urate (ammonium biurate) crystals in urine sediment. Microscopic examination of a native preparation at ×400 magnification.
Parasitology
Schistosoma mekongi: Egg Morphology and S. japonicum Differences
Learn about Schistosoma mekongi: egg morphology with a short lateral spine, stool microscopy, and differential diagnosis from Schistosoma japonicum.