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.
Parasitology
Oral Trichomonas tenax in a Sputum Smear
Detection of oral Trichomonas tenax in sputum: morphological criteria for differential species diagnosis and microscopy after staining.
Lab test interpretation
Candida Fungal Mycelium in Gynecological Smear
Microscopy of a gynecological smear in candidiasis: detection of abundant Candida fungal mycelium with methylene blue stain, 1000x magnification.
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
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.
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 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.
Lab test interpretation
Mesothelium in Ascitic Fluid: Native Specimen Microscopy
Microscopy of a native ascitic fluid specimen: morphology of mesothelial cells against a background of erythrocytes and leukocytes at 400x magnification.
Lab test interpretation
Ascitic Fluid Cytology: Atypical Cells Morphology
Morphology of atypical cells in ascitic fluid: microscopy of native preparations and Romanowsky staining when malignancy is suspected.
Lab test interpretation
Amorphous Urates in Urine Sediment: Microscopy and Macroscopic View
Features of detecting amorphous urates in urine sediment at pH 6.0: characteristic pink sediment in the test tube and native preparation microscopy.
Hematology
Polychromatophilia in a Peripheral Blood Smear
What polychromatophilia of erythrocytes in a blood smear means: causes of polychromatophils, connection with reticulocytosis and enhanced erythropoiesis.
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.