
Double-Headed Spermatozoa in Ejaculate Microscopy
Morphological assessment of spermatozoa in ejaculate examination: identification of pathological forms with double heads using hematoxylin and eosin staining.
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Morphological assessment of spermatozoa in ejaculate examination: identification of pathological forms with double heads using hematoxylin and eosin staining.

A diagnostic challenge in blood smear microscopy for a 41-year-old woman. Evaluate leukocyte morphology, analyzer data, and the DIFF scattergram.

Learn to identify Alternaria fungal spores in urine sediment. Understand why finding conidia is an artifact with no diagnostic significance.

Morphology of calcium phosphate crystals in urine sediment microscopy: differentiation of dibasic and monobasic forms, rosettes, needles, and plates.

Morphology of drug crystals during fecal microscopy in coprogram: features of identification and differential diagnosis of elements.

Microscopic identification of Entamoeba histolytica trophozoites in a wet mount stool sample stained with Lugol's iodine solution.

Peculiarities of urine sediment microscopy: detection of calcium oxalate crystals in general clinical analysis and adenocarcinoma cells in cytology.

Varieties of crystals in urine sediment during microscopy: oxalates, urates, phosphates, cystine, cholesterol, and drug crystals in urinalysis.

Stool microscopy in coprogram: detection of neutral fat droplets using Sudan III staining for laboratory diagnosis of steatorrhea.

A practical exercise in flora smear microscopy: evaluate a methylene blue-stained preparation and count Trichomonas in the provided fields of view.

Evaluating the fern sign phenomenon in dried saliva for ovulation detection: microscopic images during fertile and non-fertile days of the menstrual cycle.

Cytological features of medullary carcinoma in thyroid fine-needle aspirate: cell pleomorphism, spindle shapes, clusters, and eccentric nuclei.