Hematology
Mechanical Hemolytic Anemia in Paravalvular Leak
Clinical case of mechanical hemolysis after heart valve replacement: appearance of schistocytes in blood smear with paravalvular leak and diagnosis.
Parasitology
Parasitology Case: Object Identification in Stool Sample
Microscopic examination of a child's stool sample using the Kato method at 100x magnification. Help identify the structure found in the preparation.
Laboratory methods
Formalin in the Lab: Toxicity and Safety Guidelines
Why formalin is indispensable for tissue fixation, the dangers of formaldehyde vapor, and how to ensure safety when working with and spilling the reagent in the lab.
Parasitology
Parasitology Case: Identifying Helminth Eggs in Stool
A diagnostic parasitology exercise: identify the helminth species from a microphotograph of an egg in stool, considering migratory and intestinal phases of invasion.
Lab test interpretation
Polyomavirus in Urine: Cytological Cell Types and Cancer Risk
Morphological cell types in polyomavirus infection in urine sediment: differential diagnosis of benign changes and urothelial carcinoma.
Clinical cases
Cervical Liquid-Based Cytology Case Study: ThinPrep
A clinical case in gynecological cytology: identify epithelial changes in a 44-year-old woman's ThinPrep slide based on the provided micrograph.
Clinical cases
Cytological Diagnosis of Phaeohyphomycotic Cyst
A clinical case of a phaeohyphomycotic cyst of the thigh caused by Medicopsis romeroi: fine-needle aspiration, cytology, and PAS and GMS staining.
Parasitology
Trichuriasis: Morphology of Trichuris trichiura Eggs
Morphology of whipworm (Trichuris trichiura) eggs in stool microscopy: characteristic features, atypical forms, and the biological cycle of the causative agent of trichuriasis.
Hematology
Dyserythropoiesis: Atypical Normoblast in Blood Smear
Morphological features of nucleated erythroid cells: an example of a normoblast with a lobulated nucleus in a digital blood smear with signs of dyserythropoiesis.
Parasitology
Stool Microscopy Challenge: Helminth Egg Identification
A parasitology diagnostic challenge: identify the parasite species from a photomicrograph of a 50 µm egg found during copro-ovoscopy.
Laboratory methods
Capillary Blood Analysis: Mindray BC-6800 vs. Sysmex XN-2000
Comparing Mindray BC-6800 and Sysmex XN-2000 analyzers for capillary blood testing: sample volume, modes, and pediatric application features.
Parasitology
Morphology of Hymenolepis nana and Ascaris lumbricoides Eggs
Microscopic features and comparative morphology of dwarf tapeworm (Hymenolepis nana) and roundworm (Ascaris lumbricoides) eggs in a stool sample.