Oncohematology
Mixed-Phenotype Acute Leukemia: Blast Cytomorphology
Morphological features of blasts in mixed-phenotype acute leukemia (MPAL): lymphoblasts and promonocytes in a blood smear according to the 2022 WHO classification.
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.
Oncohematology
Hook Effect in IgG Measurement in Multiple Myeloma
A clinical case of myeloma with falsely normal IgG due to the hook effect: hyperproteinemia of 160 g/L, prozone phenomenon, and correct serum dilution.
Parasitology
Identification of Entamoeba coli Cysts in Stool Microscopy
Key microscopic features of the non-pathogenic intestinal amoeba Entamoeba coli: diagnostic significance of nuclear count and mature cyst size in stool analysis.
Oncohematology
Myeloperoxidase Staining in Myelomonocytic Leukemia
Evaluation of myeloperoxidase activity using benzidine in bone marrow aspirate from acute myelomonocytic leukemia. Cytochemical verification of blasts.
Hematology
Pelger-Huët Anomaly: How to Report in Lab Results
How laboratories should report complete blood count results in Pelger-Huët anomaly: neutrophil morphology and specific reporting guidelines.
Parasitology
Strongyloides stercoralis Larvae: Diagnosing Strongyloidiasis
Morphology of Strongyloides stercoralis larvae in stool, differentiation from hookworms, and the bacterial trail phenomenon on blood agar in strongyloidiasis.
Parasitology
Morphology of Clonorchis sinensis and Opisthorchis Eggs
Morphological features of Clonorchis sinensis and Opisthorchis eggs: differential diagnosis of liver flukes, size, and characteristic operculum.
Parasitology
Parasitology Case: Identifying a Parasite by Microscopy
A clinical case in laboratory diagnosis of parasitic infections: identify the pathogen from a microphotograph of a native preparation from South Korea.
Hematology
Langhans Giant Cells in Lymph Node Cytology
Morphological features of Pirogov-Langhans giant cells in lymph node cytological examination in tuberculosis and mycobacterial infections.
Clinical cases
Nasopharyngeal Carcinoma: Cytology of Touch Imprint Smears
Cytological features of undifferentiated nasopharyngeal carcinoma in biopsy touch imprint smears: atypical tumor cells and lymphoid infiltration.
Clinical cases
Cytology of Merkel Cell Carcinoma in Lymph Node
Clinical case of Merkel cell carcinoma metastasis to an axillary lymph node: imprint cytology and differential diagnosis with lymphoma.
Parasitology
Echinococcus granulosus Protoscoleces in Liver Cyst
Microscopic view of liver cyst contents in echinococcosis: morphology of Echinococcus granulosus protoscolex, chitinous hooks, and calcareous corpuscles.