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Majocchi's granuloma.

K J Smith1, R C Neafie, H G Skelton

  • 1Department of Dermatopathology, AFIP, Washington, DC 30306-6000.

Journal of Cutaneous Pathology
|February 1, 1991
PubMed
Summary
This summary is machine-generated.

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Majocchi's granuloma is an uncommon fungal infection. Morphologic variations in dermatophytes may allow them to persist in deeper skin layers, potentially occurring in two patient groups.

Area of Science:

  • Dermatology
  • Mycology
  • Infectious Diseases

Background:

  • Majocchi's granuloma (nodular granulomatous perifolliculitis) is a rare fungal infection affecting the dermis and subcutaneous tissue.
  • Typically caused by dermatophytes, it usually remains confined to the superficial epidermis.
  • Trichophyton rubrum is the most common etiological agent, but other dermatophytes can also be involved.

Purpose of the Study:

  • To review the variety of fungal organisms causing Majocchi's granuloma.
  • To investigate unusual morphologic forms of dermatophytes in this condition.
  • To explore potential patient groupings for Majocchi's granuloma.

Main Methods:

  • Review of 17 cases of Majocchi's granuloma.
  • Analysis of causative fungal organisms.

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  • Examination of fungal morphology in affected tissues.

    • Main Results:

    • Identified a variety of dermatophyte species responsible for Majocchi's granuloma.
    • Observed significant morphologic variations, including yeast forms and bizarre hyphae.
    • Noted the presence of the Splendore-Hoeppeli phenomenon in some cases.
    • Found evidence suggesting two distinct patient groups associated with the condition.

    Conclusions:

    • Majocchi's granuloma involves a broader range of dermatophytes than previously recognized.
    • Unusual fungal morphologic variations may contribute to the infection's persistence in deeper tissues.
    • Further research is warranted to understand the two distinct patient groups identified.