Laboratory methods
Gram Stain Errors: Dye Crystallization on Hot Glass
Learn about the causes of dye crystal formation during Gram staining. This article covers errors in smear fixation technique and gentian violet crystallization on hot glass.
Parasitology
Microscopy of Eyelashes for Demodicosis: Demodex folliculorum Mites
Microscopic examination of eyelashes for demodicosis in an ophthalmology patient: morphology of Demodex mites in a native preparation. A clinical case.
Lab test interpretation
Mycobacterium Tuberculosis in Sputum Smear: Ziehl-Neelsen Stain
Detection of acid-fast Mycobacterium tuberculosis in sputum smears. Microscopic findings after Ziehl-Neelsen staining in a clinical laboratory.
Lab test interpretation
Green Urine After Propofol: Causes of Discoloration
Why urine turns green after propofol infusion. Mechanism of drug metabolite excretion and differential diagnosis in the clinical diagnostic laboratory.
Lab test interpretation
Uric Acid Crystals in Urinalysis: Microscopy
Morphology of growing uric acid crystals in urine sediment at pH 5.5. Digital images from an automated URIT urine workstation.
Lab test interpretation
Meningococcus in CSF: Microscopy in Meningitis
Microscopic examination of cerebrospinal fluid in meningococcal infection. Neutrophilic cytosis, intracellular and extracellular diplococci in the smear.
Lab test interpretation
Cholesterol Crystals in Synovial Fluid: Lab Hematology School
Microscopy of synovial fluid: detection of characteristic cholesterol crystals, appearing as plates with notched corners in chronic arthritis.
Parasitology
Microscopy of Acanthamoeba in Corneal Scrape
Microscopy of a corneal scrape in Acanthamoeba keratitis: morphology of Acanthamoeba trophozoites and cysts amidst pronounced neutrophilic infiltration.
Hematology
Candidemia: Yeast Fungi Detection in Blood Smear
Clinical case of candidemia in an ICU patient: Candida cell morphology in peripheral blood, phagocytosis, and hemogram data.
Parasitology
Enterobius vermicularis Eggs in Urine Sediment: A Case Study
A clinical case report on the detection of Enterobius vermicularis eggs during urine sediment microscopy in a patient hospitalized in a gynecology department.
Clinical cases
Fungal Keratitis: Yeast-like Fungi in Corneal Scrapings
A clinical case of fungal keratitis: microscopy of corneal ulcer scrapings, May-Grünwald stain, revealing yeast-like fungal spores and pseudomycelia.
Parasitology
Tropical Malaria in Blood Smear: A Clinical Case
A clinical case of tropical malaria: detection of Plasmodium falciparum in blood smear and thick film during leukocyte differential count.