
Centrifugation of Blood with Clot Activator: Preanalytical Rules
Learn the preanalytical rules for blood centrifugation: why wait 30–40 minutes before spinning, and how to prevent fibrin formation in serum.

Learn the preanalytical rules for blood centrifugation: why wait 30–40 minutes before spinning, and how to prevent fibrin formation in serum.

Morphological features of Entamoeba histolytica and Entamoeba dispar cysts in stool microscopy. Routes of infection and prevention measures for intestinal amebiasis.

An example of chimerism detection during erythrocyte antigen phenotyping of the Rh and Kell systems on a gel card: signs of mixed agglutination.

Morphology of Enterobius vermicularis eggs in fecal sediment: microscopic features, asymmetric shape, and diagnosis of enterobiasis.

Morphology of target cells (codocytes) in a blood smear: causes, association with thalassemia, hemoglobinopathies, and liver pathology.

Iodophilic flora in stool microscopy: identification of cocci and rods with Lugol's solution according to the general clinical research guide.

Evaluating a female flora smear: can clue cells be present with pronounced leukocytosis, and how to differentiate bacterial vaginosis.

Features of identification and microscopy of Entamoeba coli cysts in a native specimen. Number of nuclei and differential diagnosis of intestinal amoebae.

Curschmann spirals in sputum: mechanism of bronchiole mucoprotein cast formation, microscopic appearance in bronchial asthma and COPD.

A diagnostic microscopy task: round brown elements were found in a Lugol's solution preparation from an adult patient. Identify the finding.

Clinical case and stool microscopy in an 18-year-old male with fever and diarrhea. Evaluation of native smear, Romanowsky stain, and Lugol's solution preparation.

Explore the clinical manifestations of multiple myeloma, focusing on hemorrhagic syndrome and mucosal bleeding in the oral cavity associated with plasma cell tumors.