Hematology
Clinical Case: Diagnosing Severe Eosinophilia
A 43-year-old man with hepatosplenomegaly and eosinophilia of 11,000/µL. Solve the clinical problem: what test is needed to clarify the diagnosis?
Hemostasis
Laboratory Control Errors in Warfarin Therapy
A clinical case of severe bleeding due to laboratory control errors in warfarin therapy amidst staff shortages and overload.
Parasitology
Hookworm and Strongyloides Larvae: Differential Diagnosis
Morphological differences between L1 rhabditiform larvae of hookworms and Strongyloides stercoralis in stool microscopy: oral cavity length and genital primordium.
Laboratory methods
Blood Test Errors on 3-DIFF Hematology Analyzers
Causes of falsely elevated and decreased CBC parameters (WBC, RBC, HGB, PLT) on 3-DIFF hematology analyzers and rules for their interpretation.
Lab test interpretation
Leukocyte Casts in Urine: Sediment Microscopy
Urine sediment microscopy: detecting leukocyte casts as a marker of inflammatory processes in renal tubules and interstitium.
Parasitology
Challenge: Identifying an Object in Perianal Scraping
A clinical parasitology case: microscopy of perianal scraping from a child with itching. Try to identify the object found in the photo.
Laboratory methods
Blood Clots in Test Tubes: Preanalytical Errors
Why blood clots in test tubes before reaching the lab: causes of clot formation, impact on complete blood count, and preanalytical rules.
Oncohematology
Blast Identification and Morphology in Blood Smears
Criteria for recognizing blast cells in blood smear microscopy. Features of nucleoli and chromatin morphology in oncohematological diseases.
Parasitology
Capillaria Eggs: Differential Diagnosis with Whipworm
Morphology of Capillaria sp. nematode eggs during stool microscopy. Routes of intestinal capillariasis infection and differential diagnosis with whipworm eggs.
Parasitology
Dicrocoelium dendriticum Eggs in Stool Microscopy
Microscopic identification of Dicrocoelium dendriticum eggs in stool: morphology, size, and diagnostic criteria for dicrocoeliosis.
Hematology
Microscopy Challenge: Unusual Cell in Bone Marrow
Cytological challenge on bone marrow morphology: identify a large cell with abundant cytoplasmic granularity from a photomicrograph of a smear.
Parasitology
Differential Diagnosis of Microfilariae in Blood Smear
Algorithm for microscopic identification of microfilariae in blood: Brugia malayi, Wuchereria bancrofti, Loa loa, and Mansonella. Collection and staining rules.