Oncohematology
Lymph Node Cytology in Sinus Histiocytosis
Cytological findings in lymph node smears in histiocytosis: identification of macrophages, small lymphocytes, and signs of sinus histiocytosis.
Parasitology
Epidermophyton floccosum: Morphology and Diagnosis
Characteristics of the dermatophyte Epidermophyton floccosum: its role in skin mycoses and onychomycosis, and mycelial morphology under culture microscopy.
Hematology
Silicone Lymphadenitis: Lymph Node Puncture Cytology
Cytological signs of silicone lymphadenitis: accumulation of macrophages with numerous optically empty vacuoles in a lymph node aspirate.
Hematology
Hematology Exercise: Reactive Lymphocytes in Blood Smear
A practical exercise in leukocyte morphology: identify which numbered cell in the peripheral blood smear is not a reactive lymphocyte.
Parasitology
Protozoa Morphology in Stool with Trichrome Stain
Atlas for microscopic diagnosis of protozoa in stool using trichrome stain: Entamoeba amoebae, Giardia, Blastocystis, Dientamoeba, and Chilomastix.
Parasitology
Trichuris trichiura Eggs in Stool Sample
Microscopic identification of Trichuris trichiura (whipworm) eggs in stool: characteristic barrel shape with polar plugs in trichocephalosis.
Lab test interpretation
Differential Diagnosis of Cells in Sputum Smear
Clinical case: differentiation of cells in native sputum and sputum smear from a 45-year-old female patient with a focus in the right lung. Romanowsky stain.
Hematology
Erythroblast Count in Blood Smear: A Hematology Exercise
An interactive exercise on blood cell morphology: determine the number of nucleated erythrocyte precursors (erythroblasts) in the provided gallery.
Parasitology
Microscopy of Enterobius vermicularis: Eggs and Larval Emergence
Microscopic identification features of Enterobius vermicularis eggs in enterobiasis: shell morphology and a rare shot of a pinworm larva emerging from an egg.
Parasitology
Parasitology Case: Identifying Larva in Stool Sample
Clinical parasitology case: identify the parasite species from a microphotograph of a 60 µm egg with an emerging larva in a native stool sample from a child.
Hematology
Algorithm for Describing Cell Morphology in Microscopy
Key criteria for describing cell morphology: assessing size, nucleo-cytoplasmic ratio, cytoplasm structure, nuclei, chromatin, and nucleoli.
Parasitology
Laboratory Diagnosis of Nanophyetiasis: Egg Morphology
Features of the causative agent of nanophyetiasis, Nanophyetus schikhobalowi, infection routes, symptoms, and differential diagnosis of parasite eggs in stool.