Clinical cases
Adenocarcinoma Signet Ring Cells in Pleural Fluid
Cytological findings of metastatic gastric adenocarcinoma in pleural fluid: identification of signet ring cells with Papanicolaou stain.
Parasitology
Trichinellosis: Morphology of Trichinella Nematode Larvae
The causative agent of trichinellosis: Trichinella nematode life cycle, migration and encapsulation of larvae in striated muscles, microscopic features.
Parasitology
Diagnostic Exercise: What Was Found in a Soil Sample?
A microscopy diagnostic exercise: a microscopic object was found in a soil sample. Try to identify the finding based on its characteristic morphology.
Laboratory methods
Why PCR and Bacterial Culture Results Differ
Exploring reasons for discrepancies between PCR and culture methods, laboratory test sensitivity, and the challenge of sample contamination.
Oncohematology
Neutrophil Hypersegmentation Amid Hyposegmentation in MDS
Case study of suspected MDS in an 86-year-old patient: pseudo-Pelger-Huët anomaly of neutrophil nuclei, macrocytic anemia, thrombocytopenia, and analyzer data.
Hematology
Leukocyte Formula Cells: Morphology and Functions
An analysis of the main cells of the leukocyte formula: morphological features and functions of neutrophils, lymphocytes, monocytes, eosinophils, and basophils.
Laboratory methods
Automated Urine Test Strip Analysis: Clinitek Atlas
Principles of automated urine test strip analysis on the Clinitek Atlas analyzer: photometric reading, refractometry, and elimination of subjective errors.
Parasitology
Parasitology Case: Identifying a Rare Parasite
A diagnostic challenge in laboratory parasitology: microscopy of a 95 µm finding. Clinical clues and morphological features provided.
Parasitology
Tungiasis: Manifestations and Diagnosis of Tunga penetrans
Tungiasis (sarcopsyllosis) is a parasitic skin disease caused by the sand flea Tunga penetrans. Learn about its life cycle and laboratory diagnosis.
Parasitology
Parasitology Case: Identify Helminth Eggs in a Sample
A laboratory diagnostics challenge in parasitology: identify the species of helminth eggs found during microscopy of a native stool sample.
Parasitology
Enterobius vermicularis Eggs in Microscopy
Morphology of Enterobius vermicularis eggs: asymmetric shape, double-contoured shell, and features of laboratory detection in enterobiasis.
Oncohematology
Microscopy Challenge: Pink Masses in CML Blood Smear
A diagnostic microscopy exercise for chronic myeloid leukemia (CML) blood smears. Identify the origin of large pink formations among leukocytes.