Ringworm B35.2

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

dermatomycosis of the hands; Epidermophytia manus; Hand mycosis; Mycosis of the hands; ringworm

Definition
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Usually at first unilateral, later bilateral localized tinea of the hands.

Pathogen
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Mainly Trichophyton rubrum (approx. 80%), Trichophyton mentagrophytes (approx. 10%), also Epidermophyton floccosum (approx. 4%); more rarely zoophilic (e.g. Microsporum canis) or geophilic fungi ( Microsporum gypseum).

Etiopathogenesis
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Mostly autoinoculation with simultaneous presence of tinea pedum and tinea unguium.

Manifestation
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Mostly occurring in adults.

Localization
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One-sided, asymmetrical. Only after a longer period of use does it spill over to the other hand.

Clinical features
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Back of hands and fingers: According to the tinea corporis. Interdigital: Tinea pedum, intertriginous type.

Palmae:

  • Tinea manuum, dyshidrosiform type (itchy, sagocorn like vesicles in the palms)
  • respectively
  • Tinea manuum, hyperkeratotic-rhagadiform type (firmly adhering scaling and painful rhagades).

A special form is the one-hand/two feet mycosis, which always affects both soles of the feet and the palm of one hand.

Diagnosis
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Fungal detection in native preparation and culture. S.a.u. Mycoses.

Differential diagnosis
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Therapy
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External and possibly internal antimycotic therapy. S.u. Tinea.

Note(s)
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It is not uncommon for a Tinea manuum (especially in immunosuppression) to be accompanied by a Tinea barbae, or the Tinea barbae indicates the Tinea manuum.

Literature
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  1. Seebacher C et al (2007) Onychomycosis. J Dtsch Dermatol Ges 5: 61-66
  2. Seebacher C et al (2005) Tinea of the free skin. J Dtsch Dermatol Ges 11: 921-926

Disclaimer

Please ask your physician for a reliable diagnosis. This website is only meant as a reference.

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Last updated on: 29.10.2020