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Is corynebacterium the cause of superficial white toenail discoloration?

Discussion in 'General Issues and Discussion Forum' started by John McShane, Oct 11, 2009.

  1. John McShane

    John McShane Member


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    I see numerous clients with superficial white discoloration of one or more of their toe nails. Is this caused by corynebacterium?

    This discoloration is usually able to be ground off with a drill. However sometimes it penetrates the nail plate. It occurs mainly on the lesser toe nails, especially where there is an overlying adjacent digit.

    If corynebacterium is to blame, then perhaps a regime of applying surgical spirit would be indicated, rather than topical antifungal preparations.
     
  2. DaVinci

    DaVinci Well-Known Member

    Never heard of it before. What you are describing is fungal.
     
  3. Tony Mason

    Tony Mason Member

    John

    (SWO) or Superficial White Onycomycosis as the name suggests is a fungal nail condition caused by a dermatophyte usually Tricophyton mentagrophytes, Treatment is with antifungals
    Corynebacterium as the name suggests is a bacteria.
    Necrotic ulceration of the foot can result from tropical cutaneous diphtheria caused by corynebacterium diphtheriae (Belsey & Le Blanc 1975) . Cutaneous diphtheria commonly manifests as a non healing single ulcerated lesion on the toe or toe cleft lasting between 4 and 12 weeks.
    Corynebacterium minutissimum causes erythasma (moist interdigital fissuring) is associated with sweating and treated by controlling the sweat.

    hope this helps

    Tony Mason
     
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