Hematology
Bone Marrow Plasmacyte Vacuolization in Pompe Disease
Morphological features of bone marrow in Pompe disease: pronounced vacuolization of plasma cells, PAS cytochemistry, and acid phosphatase reaction.
Parasitology
Differentiating Hymenolepis nana and H. diminuta Eggs
Morphological differences between Hymenolepis nana and H. diminuta eggs: size, presence of polar filaments, and laboratory diagnosis of hymenolepiasis.
Parasitology
Differential Diagnosis of Parasite Eggs and Pollen Grains
Microscopy of plant pollen grains at 400x magnification: morphological features and differential diagnosis with helminth and protozoan eggs.
Oncohematology
Hodgkin and Reed-Sternberg Cells in Cytology
Features of cytological diagnosis of Hodgkin lymphoma: differentiation of classic binucleated Reed-Sternberg cells and mononucleated Hodgkin cells.
Hematology
Lymph Node Cytology: Granulomatous Inflammation
Cytological features of granulomatous inflammation in a lymph node: epithelioid histiocytes and lymphocytes in a fine needle aspirate smear, Diff-Quik stain.
Laboratory methods
Precision and Accuracy in Laboratory Quality Control
Definitions of precision and accuracy in clinical diagnostic laboratories according to GOST R 53133.2-2008: impact of random errors and deviation assessment.
Clinical cases
Cytological Features of De Quervain's Subacute Thyroiditis
Cytological picture of subacute thyroiditis: multinucleated giant cells, epithelioid histiocytes, colloid, and differential diagnosis.
Parasitology
Dicrocoeliosis: Morphology of Dicrocoelium dendriticum Eggs in Feces
Microscopic identification of Dicrocoelium dendriticum eggs in human stool, including the parasite's life cycle and routes of infection.
Parasitology
Clinical Case: Traveler's Stool Microscopy
A diagnostic challenge in stool microscopy for a traveler returning from Iran. Identify the parasitic structure, 42x25 µm, from the provided images.
Clinical cases
Desmoplastic Small Round Cell Tumor: Cytology
Cytological features and IHC profile of desmoplastic small round cell tumor in effusions. Diagnostic experience with a rare sarcoma at the P.A. Herzen Moscow Oncology Research Institute.
Oncohematology
Cytochemical Reaction for Non-Specific Esterase in CMML
Bone marrow cytochemistry in CMML: detection of monocytes and blasts using non-specific esterase reaction compared to Pappenheim staining.
Parasitology
Acanthocephaliasis: Diagnosing Moniliformis moniliformis
Morphological diagnosis of acanthocephaliasis: differentiation of Moniliformis moniliformis eggs, proboscis structure with hooks, and human infection routes.