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.
Articles
Blood and bone marrow morphology, clinical cases and diagnostic algorithms. Most of the library is in Russian; the English section is growing.
Most of our material is written in Russian — that is the working language of the community. A few pieces exist in English; the rest of the library is one click away and the photographs need no translation.
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.
Lab test interpretation
Hematoidin Crystals in Pleural Fluid Sediment: Clinical Significance
Discovering hematoidin crystals in pleural fluid: clinical significance, causes of formation from hemoglobin, and differential diagnosis.
Oncohematology
Blasts in Blood Smear: Differential Diagnosis
Features of blast detection in a blood smear from a patient with leukopenia and anemia. Differential diagnosis with reactive lymphocytes and Sysmex scattergrams.
Hemostasis
Fonio Platelet Count in Severe Thrombocytosis
Comparing analyzer and Fonio method platelet counts in severe thrombocytosis. Manual recount features and reasons for result discrepancies.
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.
Clinical cases
Leptothrix in Vaginal Smear: Microscopic Features
Microscopic features of genitourinary tract smears: differential diagnosis of Leptothrix bacteria, concomitant microflora, and artifacts.
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.
Oncohematology
Blast Morphology in Acute Myelomonoblastic Leukemia
A clinical case of untreated acute myelomonoblastic leukemia: 96% blasts in bone marrow, atypical mitoses, and severe pancytopenia.
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.
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?
Parasitology
Enterobius vermicularis Eggs Found in Urine Sediment
Accidental discovery of a pinworm (Enterobius vermicularis) egg in urine sediment during microscopy on an automated Cobas u6500 analyzer. A rare clinical case.