What is the Difference Between Systemic and Opportunistic Mycoses?

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The main difference between systemic and opportunistic mycoses lies in the type of fungal pathogens involved and the host conditions required for infection.

Systemic mycoses are fungal infections that affect internal organs, such as lungs, abdominal viscera, bones, and the central nervous system. They can be caused by both primary fungal pathogens and opportunistic fungal pathogens.

Opportunistic mycoses are a type of systemic mycoses caused by opportunistic fungal pathogens. These infections occur in debilitated patients whose normal defense mechanisms are compromised due to factors such as cancer, organ transplantation, surgery, and AIDS. Opportunistic fungi require a compromised host to establish infection.

In summary:

  • Systemic mycoses are fungal infections affecting internal organs.
  • Opportunistic mycoses are a type of systemic mycoses caused by opportunistic fungal pathogens and occur in compromised hosts.

Comparative Table: Systemic vs Opportunistic Mycoses

Here is a table summarizing the differences between systemic and opportunistic mycoses:

Feature Systemic Mycoses Opportunistic Mycoses
Definition Fungal infections that affect internal organs A type of systemic mycoses caused by opportunistic fungal pathogens
Causative Factors Primary fungal pathogens or opportunistic fungal pathogens Opportunistic fungal pathogens
Risk Factors Immunocompromised individuals, very young and old people, patients with cancers, diabetes, etc. Patients with compromised host defense mechanisms, such as those with AIDS, organ transplantation, surgery, and cancer
Infection Systemic infection affecting organs like lungs, abdominal viscera, bones, and central nervous system Target individuals with weakened immune systems, requiring a compromised host to establish infection

Systemic mycoses are fungal infections that affect internal organs, while opportunistic mycoses are a type of systemic mycoses that specifically target individuals with weakened immune systems. Opportunistic fungal pathogens require a compromised host to establish infection, and they cause diseases in individuals with compromised host defense mechanisms.