Laboratory methods
Direct Microscopy of Nail Plates in Onychomycosis
Interpreting direct microscopy results of nail scrapings in onychomycosis: criteria for evaluating mycelium, spores, yeast cells, and treatment strategy selection.
Tag
Microscopy
Lab test interpretation
Calcium Oxalate Crystal Forms in Urine Sediment
Microscopy of urine sediment: typical and atypical forms of calcium oxalate crystals. Features of laboratory identification of crystalluria in urinalysis.
Clinical cases
Microbiology Case: Sputum Culture in Pneumonia
A clinical microbiology case: sputum from a patient with severe pneumonia was examined. Identify the pathogen based on growth on BCYE agar and colony microscopy.
Lab test interpretation
Cholesterol Crystals in Stool: Coprogram Microscopy
Morphology of cholesterol crystals during stool microscopy. Coprogram micropreparation with a characteristic cholesterol plate at 400x magnification.
Oncohematology
Microscopy Challenge: Identify Lymphocyte Among Blasts
A diagnostic challenge in blood cell morphology: identify a mature lymphocyte within a group of blast cells using light microscopy of a blood smear.
Parasitology
Microscopy of Sarcoptes scabiei Mite in Skin Scrape
Microscopic diagnosis of scabies: detection of Sarcoptes scabiei mites and their eggs in an epidermal scrape preparation using light microscopy.
Lab test interpretation
Charcot-Leyden Crystals in Coprogram: Fecal Microscopy
Morphology of Charcot-Leyden crystals during fecal microscopy. Causes of crystal appearance in coprograms in parasitoses and allergic inflammations.
Hematology
Bone Marrow Morphology: Assessing Cellular Composition
How to evaluate a bone marrow smear without patient history: differentiating hematopoietic lineages, cellularity, and maturation signs of granulocytes and normoblasts.
Lab test interpretation
Calcium Oxalate Crystal Forms in Urine Sediment
Various forms of calcium oxalate crystals observed during urine sediment microscopy: classic envelopes, ovoid crystals, and hourglass (dumbbell) shapes.
Hematology
Unusual Inclusions in Lymphocytes: A Microscopy Challenge
Lymphocytes with large atypical inclusions were found in an animal's peripheral blood smear. Determine the nature of the granulation in the cell cytoplasm.
Lab test interpretation
Triple Phosphate Crystals in Urinalysis: Morphology & Causes
Microscopy of urine sediment: typical morphology of triple phosphate (struvite) crystals resembling coffin lids, causes of appearance, and diagnosis.
Parasitology
Microscopic Diagnosis of Demodicosis: Demodex Mites
Laboratory detection of Demodex folliculorum and Demodex brevis mites in skin scrapings and eyelashes: parasite morphology and clinical manifestations of demodicosis.