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Related Concept Videos

Skin Diseases and Disorders01:23

Skin Diseases and Disorders

Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
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Fungal Phylum Ascomycota

Phylum Ascomycota, a major division within the subkingdom Dikarya, comprises a diverse range of fungal species, including both unicellular yeasts and filamentous molds such as Aspergillus and Penicillium. These fungi thrive in a variety of habitats, from aquatic ecosystems to terrestrial environments, playing crucial ecological and economic roles.Morphology and ReproductionThe defining characteristic of Ascomycetes, commonly referred to as sac fungi, is the ascus—a sac-like structure that...
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:
Microbial Classification System01:24

Microbial Classification System

Classification is the process of organizing organisms into hierarchically inclusive groups based on their phenotypic similarities or evolutionary relationships. A species comprises one or more strains, and closely related species are grouped into genera. Genera are further classified into families, families into orders, orders into classes, and so forth, up to the domain level, which is the broadest taxonomic rank derived from a combination of phenotypic and genotypic data.The nomenclature of...
Fungal Phylum Microsporidia01:28

Fungal Phylum Microsporidia

Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
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Fungi are a diverse group of eukaryotes more closely related to animals than other eukaryotes. Fungal cell walls comprise chitin, a polysaccharide that provides structural strength, and glucans, which contribute to flexibility and integrity. Other polysaccharides, such as mannans and galactosans, may supplement or replace chitin in some fungi. These adaptations, along with their preference for acidic environments and tolerance for high osmotic pressure, enable fungi to thrive in various...

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Deep Dermal Injection As a Model of Candida albicans Skin Infection for Histological Analyses
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Published on: June 13, 2018

Classification of subcutaneous and systemic mycoses.

Roberto Arenas1, Gabriela Moreno-Coutiño, Oliverio Welsh

  • 1Mycology Section, Department of Dermatology, Dr. Manuel Gea Gonzalez General Hospital, Calzada de Tlalpan 4800, Colonia Sección XVI, Mexico, DF, Mexico. rarenas98@hotmail.com

Clinics in Dermatology
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PubMed
Summary

This study clarifies the confusing classification of human fungal infections. It offers a structured approach to categorizing subcutaneous, systemic, and opportunistic mycoses for clinicians.

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Area of Science:

  • Medical Mycology
  • Infectious Diseases
  • Clinical Classification

Background:

  • Medical reports often present confusing classifications for human fungal infections.
  • This confusion arises from the varied nature of fungal pathogens, including opportunistic, subcutaneous, and systemic types.
  • Similar-looking infections caused by bacteria and parasites are sometimes misclassified as fungal diseases.

Purpose of the Study:

  • To provide clinicians with a clear and organized classification system for human fungal infections.
  • To differentiate between subcutaneous, systemic, and opportunistic fungal diseases.
  • To address the historical inclusion of non-fungal infections in mycological descriptions.

Main Methods:

  • Review and synthesis of existing medical literature on fungal infections.
  • Development of a hierarchical classification based on infection type and host factors.
  • Comparison with traditional and potentially overlapping classifications.

Main Results:

  • A proposed classification categorizes fungal infections into subcutaneous, systemic, and opportunistic groups.
  • The classification distinguishes fungal agents based on their pathogenic behavior.
  • It helps differentiate true fungal infections from those caused by bacteria or parasites.

Conclusions:

  • A standardized classification is crucial for accurate diagnosis and treatment of fungal infections.
  • The proposed system aims to reduce confusion in medical reporting and clinical practice.
  • This framework aids in distinguishing fungal, bacterial, and parasitic infections.