Lab test interpretation
Bacteriuria in Urinalysis: Types and Sediment Microscopy
What the detection of bacteria in urine sediment means. Analysis of true, false, and asymptomatic bacteriuria, nitrite test, and microscopic picture of the sediment.
Hemostasis
Macrothrombocytes and Giant Platelets in Blood Smear
Morphology and causes of macrothrombocytes and giant platelets in blood smears: differential diagnosis in pancytosis and thrombocytopathies.
Lab test interpretation
Uric Acid Crystals in Urine Analysis: Microscopy
Morphological features of uric acid crystals in urine sediment: macroscopic appearance, polymorphism of forms, and microscopic picture.
Lab test interpretation
Phosphate Crystals in Urine Sediment: Microscopy
Morphology of phosphate crystals in urine sediment under light microscopy: stellar clusters and needle-like forms in a native preparation.
Lab test interpretation
Yeast-like Fungi and Spermatozoa in Urine Sediment
Microscopy of urine sediment: differential diagnosis of yeast cells and spermatozoa in native preparations, and the clinical significance of these findings.
Lab test interpretation
Amorphous Urates in Urine Sediment: Laboratory Diagnostics
Macroscopic appearance and microscopy of acidic urine sediment in pronounced uraturia: brick-pink sediment and amorphous urates in the field of view.
Lab test interpretation
Microscopy of Skin Scrapings: Candida and Malassezia Mycelium
Microscopic examination of skin scrapings in a native preparation with 40% KOH: detection of Candida albicans pseudomycelium and Malassezia furfur mycelium with spores.
Parasitology
Detection of Demodex Mites in Native Skin Scrapings
Microscopic examination of skin scrapings with 40% alkali: identification of Demodex mites (D. folliculorum, D. brevis) for laboratory diagnosis of demodicosis.
Laboratory methods
Chorionic Villus Sampling for Karyotyping: Preparation
Steps for preparing chorionic villus cells for karyotyping: hypotonia, colchicine treatment, mechanical cytolysis, and metaphase plate staining.
Hematology
Neutrophilic Myelocytes in Blood Smear During Sepsis
Morphology of neutrophilic myelocytes in a peripheral blood smear from a patient with sepsis and a pronounced regenerative left shift of the leukocyte formula.
Lab test interpretation
Urine Amylase Determination by Caraway Method in Pancreatitis
Examples of sharp increases in urine diastase and blood amylase post-holidays. Features of 1:10 and 1:100 urine dilution in the amyloclastic analysis method.
Parasitology
Demodex Diagnosis: Eyelash Microscopy for Mites
Laboratory diagnosis of eyelid demodicosis: detecting Demodex mites through microscopic examination of a native eyelash specimen.