Parasitology
Sarcoptes scabiei Larva in Skin Scrape Microscopy
Morphology of Sarcoptes scabiei mite larva in a skin scrape: microscopic features, limb structure, and laboratory diagnosis of scabies.
Tag
Microscopy
Lab test interpretation
Arthroconidia in Skin and Nail Scrapings in Mycoses
Microscopic view of arthroconidia and sporulated mycelium in 20% KOH preparations from skin and nail mycoses caused by dermatophytes.
Parasitology
Parasitology Case: Skin Scrape from Itchy Rash
A clinical parasitology case: microscopy of skin scrapes from an elderly man with an itchy rash. Identify the objects found in the microphotographs.
Parasitology
Microscopy of Trichomonas Vaginalis in Urogenital Smears
Key features of Trichomonas vaginalis microscopy in stained urogenital smears: identifying trophozoites, flagella, and coexisting bacterial flora.
Parasitology
Morphology of Trichomonas in Urogenital Smears
Microscopic view of a urogenital smear: detection of Trichomonas vaginalis, morphological features of protozoa, and differential diagnosis.
Lab test interpretation
Leptothrix in Vaginal Smear: Morphology and Microscopy
Morphological features of Leptothrix bacteria in a vaginal smear: microscopic signs, significance in vaginal dysbiosis, and identification.
Lab test interpretation
Charcot-Leyden Crystals in Native Sputum Smears
Morphology of Charcot-Leyden crystals in native sputum smears. Causes of formation from eosinophil breakdown, association with bronchial asthma and helminthic invasions.
Hematology
Hematology Quiz: Blood Smear Features
A diagnostic challenge in laboratory hematology from the CellMasters championship: evaluate the microscopic picture of a blood smear and identify patient characteristics.
Lab test interpretation
Fungal Mycelium in Skin Scraping: KOH Microscopy
Microscopic examination of a skin scraping treated with potassium hydroxide (KOH). Detection of branching pathogenic fungal mycelium at 400x magnification.
Lab test interpretation
Leukocytospermia in Spermogram: Norms and Microscopy
Leukocytospermia in spermogram: microscopic picture of ejaculate, reference values for leukocytes, and diagnostic significance of inflammation signs.
Hematology
Amitosis in Bone Marrow Smear: Morphological Features
Morphological signs of amitosis in hematopoietic cells in a bone marrow smear. Light microscopy of direct nuclear division without a spindle.
Laboratory methods
Candida of Nails and Skin: KOH Microscopy of Samples
Laboratory detection of Candida fungi: microscopy of scrapes with 20% KOH. Blastospores, pseudomycelium of the fungus in onychomycosis and candidal paronychia.