Fungal culture Archives - Page 2 of 3

Yeasts vs Molds: Detailed Comparison, Mixed Growth Isolation, Approach to Mixed Growth Handling, and Mixed Growth Interpretation

July 22, 2025 by Medical Lab Notes

Yeasts vs Molds: Detailed Comparison Feature Yeasts Molds Definition Unicellular fungi Multicellular filamentous fungi Structure Oval/round, single cells Hyphae form mycelium; septate or aseptate Reproduction Asexual (budding or fission); some sexual forms Asexual (spores like conidia/sporangia); sexual spores Hyphae Absent, but pseudohyphae may be present …

Common Invasive Fungal Pathogens in Cancer Patients: Introduction, List, Risk factors, and Keynotes

July 1, 2025 by Medical Lab Notes

Introduction Common invasive fungal pathogens that frequently affect cancer patients, especially those who are immunocompromised due to chemotherapy, hematologic malignancies, or bone marrow/stem cell transplants. List of Common Invasive Fungal Pathogens 1. Candida species Causes: Candidemia, disseminated candidiasisRisk: Neutropenia, central venous catheter, broad-spectrum antibiotics 2. …

Mycosel Agar: Introduction, Principles, Application, Keynotes, and further Readings

May 30, 2025 by Medical Lab Notes

Introduction Mycosel Agar is a selective culture medium to isolate pathogenic fungi from samples containing a mix of fungi and bacteria. It’s designed to suppress the growth of non-pathogenic fungi and bacteria, allowing for the isolation and identification of pathogenic fungi. Principle Cycloheximide inhibits the growth …

Coccidioides-Antibody Testing: Introduction, Clinical Significance, Test methods, Result-Interpretation, and Additional Information

April 2, 2025March 31, 2025 by Medical Lab Notes

Introduction For diagnosing coccidioidomycosis (Valley Fever), AI-assisted Coccidioides antibody testing uses enzyme immunoassays (EIA) and immunodiffusion (ID) or complement fixation (CF) tests to detect antibodies against the fungus Coccidioides immitis. Clinical Significance Types of Tests Used: How the Tests Work: Result-Interpretation AI in Coccidioides Antibody Testing …

Slide Culture Technique for Fungi- Introduction, Requirement, Procedure, Uses, Disadvantage, and Keynotes

October 10, 2025July 11, 2024 by Medical Lab Notes

Introduction The Slide Culture Technique for fungi allows detailed observation of fungal structures. It provides a clear view of spores and hyphae. This method uses a small block of agar on a slide. The technique is beneficial for identifying molds. You place a coverslip on …

Fonsecaea: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

August 21, 2023August 16, 2023 by Medical Lab Notes

Introduction Fonsecaea is a genus of fungi commonly associated with human and animal infections. It belongs to the class Eurotiomycetes and the order Chaetothyriales. The most clinically relevant species within this genus is Fonsecaea pedrosoi, which is known to cause chromoblastomycosis, a chronic and localized …

Microsporum ferrugineum: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

August 10, 2023August 9, 2023 by Medical Lab Notes

Microsporum ferrugineum in LPCB taese mount of culture microscopy showing typical bamboo hyphae and lacking production of both microconidia and macroconidia

Introduction Microsporum ferrugineum is a species of dermatophytic fungus that belongs to the genus Microsporum. Dermatophytes are a group of fungi that are capable of infecting and colonizing the outer layers of the skin, hair, and nails, causing various dermatophytosis or “ringworm” infections in humans …

Sporothrix schenckii: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

July 30, 2023July 30, 2023 by Medical Lab Notes

Sporothrix schenckii colony morphology on SDA

Introduction Sporothrix schenckii is a dimorphic fungus and the causative agent of the infection known as sporotrichosis or “rose gardener’s disease.” It is a relatively common fungal pathogen found worldwide, and it primarily affects the skin and subcutaneous tissues, although it can occasionally spread to …