Lab test interpretation
Microscopy Challenge: Structures in a Vaginal Smear
A diagnostic microscopy challenge for a flora smear: evaluating cellular elements and suspicious inclusions in vaginal discharge.
Tag
Differential Diagnosis
Parasitology
Cat Feces Microscopy: Object Identification Challenge
A clinical parasitology challenge: an oval object, 6.9 µm in size, was found in a cat's fecal sample during immersion microscopy. Identify the finding.
Clinical cases
Tattoo Pigment in Lymph Node: Cytological Findings
Cytological and histological features of exogenous lymph node pigmentation post-tattooing: differential diagnosis and morphological characteristics.
Parasitology
Intestinal Amoeba Morphology: Differential Diagnosis
Comparative morphology of trophozoites and cysts of intestinal amoebae: Entamoeba histolytica, E. coli, Endolimax nana, and Iodamoeba buetschlii in stool microscopy.
Parasitology
Morphology of Eucoleus aerophilus Lung Capillaria Eggs
Microscopic features of Eucoleus (Thominx) aerophilus lung capillaria eggs: polar plugs, thin shell, and asymmetric shape. Learn more.
Lab test interpretation
Differential Diagnosis of Transudates and Exudates
Criteria for differential diagnosis of transudates and exudates: density, protein, Rivalta test, LDH activity, cholesterol, and cytological composition of effusions.
Parasitology
Taeniidae Oncospheres: Differential Diagnosis of Eggs
Morphological features of Taeniidae family oncospheres, their differences from Hymenolepis diminuta eggs, and classification of clinically significant tapeworm species.
Parasitology
Parasitology Exercise: Identify Taeniid Oncosphere
A practical exercise in laboratory diagnosis of helminthiasis: identify which numbered object on the micrograph represents a taeniid oncosphere.
Lab test interpretation
Decoy Cells in Urine Sediment Cytology with Polyomavirus
Morphological features of decoy cells in urine sediment: intranuclear viral inclusions, differential diagnosis with urothelial carcinoma.
Hematology
Osteoblast Morphology in Bone Marrow Smears
Cytological features of osteoblasts in bone marrow aspirates: morphology of large cells with eccentric nuclei and differentiation from plasma cells.
Lab test interpretation
Urinalysis Case: Sediment Elements at pH 8.5
A clinical case on urine sediment microscopy in a male patient: pH 8.5, crystalluria. Identify the morphology and nature of sediment elements.
Lab test interpretation
Malassezia furfur in Skin and Nail Plate Scrapings
Microscopic features of Malassezia furfur in KOH preparations: criteria for mycelial and spore detection, differential diagnosis of onychomycosis and contamination.