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[Fungus colonization in colitis].

W Höchter, H P Seeliger, W Keilig

    Deutsche Medizinische Wochenschrift (1946)
    |March 18, 1983
    PubMed
    Summary
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    Fungal infections are uncommon in colitis patients, with positive cultures rarely indicating disease. Endoscopy and biopsy are crucial for diagnosing pathogenic fungal infections in the gastrointestinal tract.

    Area of Science:

    • Gastroenterology
    • Mycology
    • Infectious Diseases

    Background:

    • Colitis encompasses various conditions affecting the colon, including Crohn's disease and ulcerative colitis.
    • Fungal infections can complicate gastrointestinal diseases, necessitating accurate diagnostic methods.

    Purpose of the Study:

    • To investigate the prevalence and significance of fungal infections in patients with colitis.
    • To evaluate the diagnostic utility of endoscopic biopsies versus stool cultures for detecting fungal pathogens.

    Main Methods:

    • A prospective study involving 78 colitis patients.
    • Fungal cultures, unstained smears, and histological assessments of endoscopic biopsies from the rectum, colon, and terminal ileum.
    • Stool specimen analysis for fungal presence.

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    Main Results:

    • Positive fungal cultures were obtained in 16.7% of endoscopic biopsies, predominantly Candida or Torulopsis with low germ counts.
    • Pathogenic fungal mycelia were not observed in histological or unstained preparations.
    • Positive stool cultures occurred in 25.9% of patients, with rare concordance with biopsy findings.

    Conclusions:

    • Secondary fungal infection poses minimal risk in colitis of diverse etiologies.
    • Positive fecal fungal cultures with low germ counts (<10^6/g) lack pathogenic significance.
    • Endoscopy and biopsy are essential for diagnosing pathogenic fungal infections in the gastrointestinal tract.