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.
Tag
Mycosis
Laboratory methods
Aspergillus flavus: Culture and Microscopic Morphology
Identification features of Aspergillus flavus: macromorphology of colonies on culture medium and microscopic structure of conidial heads.
Lab test interpretation
Fungal Mycelium in Nail Scraping Microscopy for Onychomycosis
Microscopic examination of a nail plate scraping for suspected onychomycosis. Detection of branching fungal mycelial threads in a native preparation.
Lab test interpretation
Prostate Secretion Candidiasis: Blastospores and Pseudomycelium
Microscopy of prostate secretion in mycosis: detection of budding blastospores and pseudomycelial filaments of fungi, Romanowsky stain.
Clinical cases
Cryptococcal Thyroiditis: Thyroid Gland Cytology
Cytological features of cryptococcal thyroiditis in a thyroid aspirate: follicular epithelium, lymphocytes, and histiocytes with cryptococci.
Lab test interpretation
Fungal Mycelium in Groin Skin Scraping: Mycosis Diagnosis
Microscopic view of a skin scraping from the groin folds: clusters of fungal mycelium filaments in a native preparation, indicative of inguinal dermatophytosis (epidermophytosis).
Lab test interpretation
Microscopy of Foot Skin Scraping: Pathogenic Fungal Mycelium
Microscopic examination of a native foot skin scraping preparation in mycosis. Detection of branching pathogenic fungal mycelium among epidermal scales.
Clinical cases
Microscopy Challenge: Spindle-Shaped Structures on Hair
A diagnostic microscopy challenge: how to differentiate spindle-shaped structures on hair – hair scales or pathogenic fungal macroconidia.
Lab test interpretation
Candida Fungi in Gynecological Flora Smear
Microscopic view of candidiasis: detection of Candida blastospores in a stained flora smear during gynecological discharge examination.
Lab test interpretation
Microscopic Diagnosis of Foot Skin Mycosis with KOH
Microscopy of foot skin scrapings after KOH treatment: detection of septate mycelial filaments and fungal arthrospores in mycosis diagnosis (40x objective).
Laboratory methods
Trichophytosis: Endothrix Hair Invasion Microscopy
Microscopic diagnosis of endothrix trichophytosis: spore location inside the hair, 20% KOH preparations, and causative agents like Trichophyton.
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.