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.
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.
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.
Laboratory methods
Blood Compatibility Test Error Before Transfusion
A clinical case of an error in immunohematology: incorrect donor blood compatibility test leading to acute hemolytic transfusion reaction.
Clinical cases
Cervical Cytology Challenge: Contamination or Candidiasis?
A diagnostic challenge in cervical cytology: how to differentiate candidiasis from artifactual contamination during smear microscopy.
Laboratory methods
Laboratory Errors in Analyzer Calibration: Risks and Consequences
Consequences of improper analyzer calibration in clinical diagnostic laboratories: distorted test results, diagnostic errors, and laboratory personnel accountability.
Parasitology
Balantidium coli: Morphology and Diagnosis
Morphological features of Balantidium coli: identification criteria for the ciliated protozoan in microscopic diagnosis of human balantidiasis.
Lab test interpretation
Neutrophilic Phagocytosis of Bacteria in Peritoneal Fluid
Detection of intracellular cocci (Enterococcus faecalis) within neutrophils in peritoneal fluid as a sign of true bacterial infection.
Hematology
Differential Diagnosis of Blasts and Reactive Lymphocytes
Morphological differences between reactive lymphocytes and blast cells in a blood smear: assessment of chromatin structure, cytoplasm contours, and nucleoli presence.
Parasitology
Stool Microscopy in Diarrhea: A Parasitology Case
A parasitology case: identify motile organisms found during microscopy of concentrated stool sediment from a patient with diarrhea.
Hematology
Cryoglobulin Deposits in Blood Smear in Cryoglobulinemia
Morphological features of a peripheral blood smear in cryoglobulinemia: large extracellular amorphous protein deposit among red blood cells.
Parasitology
Cystoisospora belli Oocysts in Stool: Isosporiasis Diagnosis
Laboratory diagnosis of isosporiasis: morphology of Cystoisospora belli oocysts in stool, modified Ziehl-Neelsen staining, and coccidian differentiation.