Related Experiment Video

Updated: Oct 9, 2026

Detection of Invasive Pulmonary Aspergillosis in Haematological Malignancy Patients by using Lateral-flow Technology
08:01

Detection of Invasive Pulmonary Aspergillosis in Haematological Malignancy Patients by using Lateral-flow Technology

Published on: March 22, 2012

Invasive aspergillosis

B Dupont1, M Richardson, P E Verweij

  • 1Unité de Mycologie, Institut Pasteur, H pital Necker, Paris, France. bdupont@pasteur.fr

Medical Mycology
|February 24, 2001
PubMed

Insights

Early diagnosis of invasive aspergillosis (IA) is crucial but challenging. New antigen and DNA detection methods show promise for improving outcomes in this devastating fungal infection.

Area of Science:

  • Mycology
  • Infectious Diseases
  • Clinical Diagnostics

Background:

  • Acute invasive aspergillosis (IA) is a severe and often fatal fungal infection.
  • Current diagnostic methods often confirm IA late, hindering timely treatment and improving patient prognosis.
  • High mortality rates persist despite antifungal therapies, underscoring the need for earlier detection.

Purpose of the Study:

  • To highlight the challenges in early diagnosis of invasive aspergillosis.
  • To discuss emerging diagnostic tools like galactomannan antigen and DNA detection.
  • To emphasize the importance of early detection for improving patient outcomes.

Main Methods:

  • Review of current diagnostic approaches for invasive aspergillosis.
  • Evaluation of novel biomarkers such as galactomannan antigen and fungal DNA.
  • Analysis of factors contributing to treatment resistance and patient risk groups.

Main Results:

  • Early diagnosis of IA remains difficult, with confirmation often occurring when the disease is advanced.
  • Galactomannan antigen and DNA detection are under clinical evaluation for improved early diagnosis.
  • High mortality is associated with severe immunodepression, though rare antifungal resistance can occur.

Conclusions:

  • Improved diagnostic strategies, including antigen and DNA detection, are essential for earlier IA diagnosis.
  • Awareness and prompt diagnosis are critical for improving the prognosis of invasive aspergillosis, particularly in high-risk transplant patients.
  • While antifungal resistance is uncommon, understanding patient immunodeficiency is key to managing IA effectively.

More Related Videos

Histological Quantification to Determine Lung Fungal Burden in Experimental Aspergillosis09:52

Histological Quantification to Determine Lung Fungal Burden in Experimental Aspergillosis

Published on: March 9, 2018

Related Concept Videos

Fungal Phylum Ascomycota01:28

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...
Cryptococcal Meningitis01:27

Cryptococcal Meningitis

Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...
Candidiasis01:20

Candidiasis

Candidiasis is a fungal infection caused by opportunistic species of Candida. It can affect various anatomical sites, including the skin, oral cavity, nails, and genitourinary tract. Among its forms, vaginal candidiasis is the most common type of mucosal infection. It typically results from the overgrowth of Candida albicans in the vaginal mucosa. Under normal conditions, C. albicans exists as a commensal organism within the vaginal microbiota, regulated by the dominance of lactobacilli, which...
Brain Abscess l: Introduction01:26

Brain Abscess l: Introduction

A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial infections,...
Antifungal Agents01:15

Antifungal Agents

Amphotericin B is a broad-spectrum antifungal agent that exploits structural differences between fungal and mammalian cell membranes. Its amphipathic structure—featuring a hydrophobic polyene-lactone ring and a hydrophilic region containing mycosamine and carboxylic acid groups—enables selective binding to ergosterol, a sterol predominantly found in fungal plasma membranes. This selective interaction underlies the drug’s antifungal activity, although weak binding to cholesterol contributes to...
Atypical Pneumonia01:14

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...