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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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Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...
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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...
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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.
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Fungal Sinusitis.

Eytan Raz1, William Win1, Mari Hagiwara1

  • 1Department of Radiology, NYU School of Medicine, 660 First Avenue, 2nd Floor, New York, NY 10016, USA.

Neuroimaging Clinics of North America
|October 18, 2015
PubMed
Summary
This summary is machine-generated.

Fungal sinusitis presents as invasive or noninvasive types, each with distinct imaging features. Early diagnosis of fungal sinusitis, especially invasive forms in immunocompromised patients, is crucial for effective treatment and improved outcomes.

Keywords:
Allergic fungal sinusitisGranulomatous fungal sinusitisInvasive fungal sinusitisNoninvasive fungal sinusitis

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Area of Science:

  • Medical Imaging
  • Otolaryngology
  • Infectious Diseases

Background:

  • Fungal sinusitis encompasses invasive and noninvasive forms.
  • Invasive fungal sinusitis includes acute, chronic, and granulomatous subtypes.
  • Noninvasive fungal sinusitis comprises fungus balls and allergic fungal sinusitis.

Purpose of the Study:

  • To highlight the unique radiologic appearances of different fungal sinusitis forms.
  • To emphasize the importance of differentiating fungal sinusitis types for treatment.
  • To underscore the critical need for early diagnosis of invasive fungal sinusitis.

Main Methods:

  • Review of clinicopathologic features of fungal sinusitis.
  • Correlation of histopathology with corresponding radiologic findings.
  • Analysis of treatment strategies based on fungal sinusitis classification.

Main Results:

  • Each fungal sinusitis subtype (invasive: acute, chronic, granulomatous; noninvasive: fungus ball, allergic) exhibits distinct imaging characteristics.
  • Invasive fungal sinusitis, often seen in immunocompromised individuals, carries high morbidity and mortality.
  • Radiologic findings are key to differentiating fungal sinusitis types.

Conclusions:

  • Recognizing the diverse presentations of fungal sinusitis is essential for clinicians and radiologists.
  • Prompt diagnosis, particularly for invasive fungal sinusitis, enables timely intervention.
  • Appropriate management based on accurate diagnosis leads to better patient outcomes.