Clinical cases
Maxillary Sinus Mycosis: Mycelial Filaments in Smear
Microscopic examination of maxillary sinus discharge suspected of mycosis. Detection of branching mycelial filaments, methylene blue stain.
Tag
Staining
Oncohematology
Primary Myelofibrosis MF-3 in Bone Marrow Biopsy
Morphological signs of advanced myelofibrosis (MF-3): dense reticulin fibers with Wilder's silver stain and intrasinusoidal hematopoiesis.
Lab test interpretation
Pseudomycelium in Sputum: Ziehl-Neelsen Staining
Microscopy of a sputum smear with Ziehl-Neelsen staining: detection of pseudomycelium and blastospores of yeast-like fungi against a background of squamous epithelial cells.
Laboratory methods
Papanicolaou Stain in Cervical Oncocytology
Key aspects of Papanicolaou staining (Pap test) in oncocytology: evaluating cervical epithelial maturation, tinctorial properties, and atypical cell detection.
Lab test interpretation
Ziehl-Neelsen Staining for Acid-Fast Bacilli in Sputum
Microscopic detection of acid-fast bacilli (AFB) in sputum smears using Ziehl-Neelsen staining for tuberculosis diagnosis. Learn key features.
Parasitology
Parasitology Case: Peritoneal Fluid Microscopy Challenge
A clinical parasitology case: identifying an intracellular parasite in a Giemsa-stained peritoneal fluid smear. Test your knowledge.
Hematology
Reticulocytes: Supravital Staining and Clinical Significance
Morphology of reticulocytes, methods of supravital blood smear staining, reference ranges, causes of reticulocytosis and reticulocytopenia in clinical practice.
Parasitology
Parasitology Case: Structures in a Stool Smear
A clinical parasitology case: identification of acid-fast structures in a stool smear from a patient with acute diarrhea. Choose the correct diagnosis.
Clinical cases
Acid-Fast Mycobacteria in Bronchoalveolar Lavage Fluid
Microscopic detection of acid-fast mycobacteria (AFB) in a bronchoalveolar lavage smear using Ziehl–Neelsen staining. A clinical case study.
Laboratory methods
Gram Stain Errors: Dye Crystallization on Hot Glass
Learn about the causes of dye crystal formation during Gram staining. This article covers errors in smear fixation technique and gentian violet crystallization on hot glass.
Lab test interpretation
Yeast-Like Fungi in Stool During Coproscopy
Morphology of yeast-like fungi in stool during coproscopy. Microscopy of preparations with Lugol's solution and methylene blue at ×400 magnification.
Lab test interpretation
Smoker's Cells in Sputum: Alveolar Macrophages
Alveolar macrophages with soot particles ("smoker's cells") in sputum smear in COPD and pneumonia. Microscopic image with Kinyoun stain.