Lab test interpretation
Drug Crystals in Coprogram: Identification and Differential Diagnosis
Morphology of drug crystals during fecal microscopy in coprogram: features of identification and differential diagnosis of elements.
Tag
Analysis Artifacts
Hematology
Cold Agglutination in Complete Blood Count: A Case Study
A case of cold agglutination: false MCHC elevation, sample appearance in tube and microscopy, and parameter correction after 37°C incubation.
Hematology
Bacteria in Blood Smear: Contamination or Bacteremia?
How to distinguish bacterial contamination and staining artifacts from true bacteremia during peripheral blood smear microscopy: a case study.
Lab test interpretation
Plant Pollen in Urine Sediment: A Microscopy Artifact
Microscopy of urine sediment: identifying aster pollen as an incidental sample artifact. Morphological features of pollen grains at 400x magnification.
Parasitology
Pulmonary Corpora Amylacea: Morphology and Diagnosis
Corpora amylacea in pulmonary alveoli: morphological features, resemblance to parasites, and differential diagnosis in histology.
Hematology
Erythrocyte Agglutination and Spurious MCHC Elevation
Erythrocyte agglutination in cryoglobulinemia: blood smear morphology, spurious MCHC elevation, and artifactual RBC count reduction in CBC.
Hematology
Differential Diagnosis of Granulated Cells in Blood Smears
Morphological evaluation of highly granulated cells in blood smears during leukocytosis: differential diagnosis of granulocytes and staining effects.
Hematology
Artifacts and Inclusions in Lymphocyte Cytoplasm
How to distinguish true cytoplasmic inclusions from fixation and staining artifacts in a blood smear: morphological features and differential diagnosis.
Laboratory methods
Blood Smear Artifacts from Underfilled EDTA Tubes
How excess EDTA in small blood volumes distorts analyzer scattergrams and cell morphology: echinocytes, nuclear pyknosis, and endothelial aggregates.
Parasitology
Microfilariae Suspicion vs. Artifacts in Blood Smear
Unusual spiral inclusion in a peripheral blood smear: differential diagnosis of microfilariae and laboratory artifacts in light microscopy.
Hematology
Unusual Erythrocyte Morphology Artifacts in Blood Smears
Erythrocyte morphology and artifacts in peripheral blood smears: evaluating cell shape, causes of artifactual clearings and fixation defects.