Experience Professional dermatomycosis of the face, neck and upper part of chest caused by T. mentagrophytes

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Abstract

A 43-year-old female zoologist has an occupational dermatomycosis of the face, neck and upper part of chest caused by T. mentagrophytes. It was mistakenly diagnosed and treated as "Rosacea, papulopustular subtype, ocular rosacea" for 1.5 years. Symmetrical, atypical clinical manifestations with recurrent blepharoconjunctivitis developed as a result of self-treatment using a topical steroid. The detection of cicatrizing folliculitis in the eyebrow area and an arcual peripheral edge in fresh foci on the chest helped to suspect dermatomycosis. The definitive diagnosis was made after the detection of abundant coarse septate mycelium during microscopic investigation of skin scales from foci on the face and chest with 30% KOH and an abundant growth of Trichophyton mentagrophytes during a cultural research study of skin scales, eyebrow hair and eyelashes from lesions. The use of terbinafine for 4 weeks led to the recovery of the patient.

About the authors

O. V. Matveeva

First Pavlov State Medical University of St. Petersburg

Email: ksusha721128@mail.ru
ORCID iD: 0000-0003-4847-6254
SPIN-code: 1544-0180

Dermatovenerologist

Russian Federation, Saint Petersburg

G. N. Mikheev

First Pavlov State Medical University of Saint Petersburg

Email: info@eco-vector.com
SPIN-code: 2865-7996

MD, Cand. Sci. (Med.), assistant professor

Russian Federation, Saint Petersburg

E. V. Sokolovskiy

First Pavlov State Medical University of Saint Petersburg

Author for correspondence.
Email: s40@mail.ru
ORCID iD: 0000-0001-7610-6061
SPIN-code: 6807-7137

MD, Dr. Sci. (Med.), Professor

Russian Federation, Saint Petersburg

References

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Supplementary files

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1. JATS XML
2. Fig. 1. Uneven congestive hyperemia of the face; on the skin of the forehead, in the orbits and nasolabial areas of erythema thickening with separate small follicular papules-pustules and crusts.

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3. Fig. 2. Congestive hyperemia without clear boundaries in the upper eyelid and eyebrow area. Diffuse thinning of the eyebrows and eyelashes of the upper eyelid. Follicular papules, pustules and crusts in the area of the outer edge of the eyebrow and along the edge of the upper eyelid.

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4. Fig. 3. In the center of the breast, the skin is weakly and unevenly hyperemic, with separate small follicular papules and pustules that have formed a narrow arcuate, slightly raised edge in two areas on the right (marked with arrows).

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5. Fig. 4. Luminescent microscopy with white calcofluor and 30% KOH solution: green fluorescence of filaments of separated mycelium and fungal spores located in the hair – «trichophyton endothrix» type (x 200).

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6. Fig. 5. Regression of all clinical manifestations of dermatomycosis on the breast skin 4 weeks after treatment

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7. Fig. 6. Regression of all clinical manifestations of dermatomycosis on the skin of the face 4 weeks after treatment

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Copyright (c) 2021 Matveeva O.V., Mikheev G.N., Sokolovskiy E.V.

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