Wednesday, February 2, 2011

Onychomycosis Signs and Diagnosis

Onychomycosis
Signs and Diagnosis
Signs and symptoms
Onychomycosis is usually asymptomatic so patients see a doctor for cosmetic reasons. As the disease progresses onychomycosis can affect walking and moderate exercise. Patients may experience numbness, pain, discomfort, loss of dexterity. Anamnesis careful risk factors for onychomycosis show.
Physical Exam
The subtypes of onychomycosis can be differentiated based on clinical appearance. The distal lateral onychomycosis subunghiala subunghiala hyperkeratosis and onycholysis the nails look yellow. Yellow striations and central areas of yellow nails are often described. Endonix Onychomycosis presents as a milky discoloration of the nail, but without hyperkeratosis or onycholysis subunghiala. White superficial onychomycosis is limited to the nails of the toes and is manifested as small white spots, looking for powder on the surface of the nail. Nail becomes rough and sfarimicioasa. Subunghiala proximal onychomycosis presents as an area leuconichie the proximal portion of the nail, migrant, once the distal nail growth. In variant caused by inflammation is associated with nondermatofiti leuconichia periunghiala. Shows total dystrophic onychomycosis affecting the nail completely, it is opaque, thick and yellow-brown. In describing onimicoza candidiasis caused by Candida or status cutanatomucoasa chronic immunosuppression. More fingers are affected by onychomycosis associated with inflammation periunghiala total. The fingers are part of the bulb.
Diagnosis
Laboratory studies: -To exclude the presence of nail fungus can be treated sample with potassium hydroxide -Samples will be observed under the microscope Direct-microscopy can not identify the pathogen species involved Fungal culture is used to identify the body.
The differential diagnosis is made with the following conditions: contact dermatitis, lichen planus, malignant melanoma, psoriasis, bacterial paronychia, Darier disease, paronychia congenital thyroid disease, yellow nail syndrome, melanonichia.

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