Dermatophytic - Tinea Symptoms and Diagnosis

Dermatophytic - Tinea
Symptoms and Diagnosis
Clinical tinea is classified according to body area affected: Tinea capitis-scalp- Tinea corporis, trunk and extremities, Tinea pedis, tinea manuum and-palms, plants and interdigital Tinea cruris-groin- Beard area, tinea barbae, and neck Holding face-to-face Unghuium-nail-holding.
Tinea capitis. Occurs mostly in children and occasionally in other age groups. It is seen in children under 10. Infection begins through a small erythematous papule on the scalp, eyelids or eyebrows. In a few days becomes pale and scaly, the hair is discolored, dull and brittle. It breaks several mm from the scalp. Spreading lesion forming numerous papules form a circle. Round lesions may coalesce with other infected areas. Pruritus is usually minimal but can be intense. Alopecia is common in infected areas. Inflammation may be mild or severe. Red swollen areas characterized severe infection, with formation of pustules or kerion kerion called cels. In patients with severe infection may develop cervical lymphadenopathy.
Tinea barbae. The hair on the face appears at puberty so tinea barbae may only occur in teenagers and adult men. Infection begins on the chin or neck, but affected people can cover the entire area shaving. Occasionally may cause warty indurated plates or nodules. Can be asymptomatic, pruritus is characteristic easy. Spontaneous resolution may occur, especially in inflammatory tinea barbae. Sicoza wolf-like, you can profoundly shape appears. It is named so because it is similar to lupus vulgaris.
Tinea corporis. Infected patients may be asymptomatic. Symptomatic infection is characteristic of them round a plate appearance, itching, burning the local. HIV positive or immunocompromised patients may develop severe pain or itching. Tinea corporis may result from contact with infected people, animals or objects. History includes the veterinary profession, worked on farms, tester, contact with animals, working environment, contact sports: swimming.
Tinea corporis can occur intro variety of forms: Typically begins through a plate-scaly lesions, erythematous, which grows rapidly -After central lesion resolution may take the form of ring-cancellation -As a result of inflammation can develop scales, blisters, papules, vesicles, especially at the edges Rar may-called tinea corporis pruritic purpuric macules Zoophilia-infections caused by dermatophytes or geofili can produce more intense inflammatory reaction HIV-positive or immunocompromised individuals presents an atypical picture including deep abscesses or disseminated infection of the skin.
Majocchi granuloma perifoliculari manifest as localized granulomatous nodule typical two-thirds of the women's lower leg. Tinea corporis is manifested gladiatorum water head, neck sib rates, distribution attributed to melee combat. Tinea nested is recognized clinically by scaly plaques arranged in concentric rings distinct.
Tinea cruris. Adults are most affected. Patients accused itching and redness in the groin. Medical history shows boxers wearing elastic synthetic underwear wearing other people, participation in sports, tropical climate, diabetes or obesity. It manifests as erythema symmetrically groin. Wanness large erythematous spots with central peaks centered and dedicated to extending the thighs and pubic area. Scales are well demarcated in the periphery. In acute infection may be exudative erythema. Chronic infections are dried or cancellation arciforme papules, scaling barely perceptible to the edge. Central areas are erythematous papules and hyperpigmented and contain scales. Penis and observe are avoided, however the infection can spread to the perineum and thighs. Approximately half of patients with tinea cruris and tinea pedis shows.
Dermatophytic - Tinea Symptoms and Diagnosis Tinea pedis. Tinea pedis prevalence increases with age. Most cases occur after puberty. Patients describe ulcers and fissures itchy, scaly, painful fingers. More rarely describe ulcerative blistering lesions. Some patients, especially elderly ones, may assign dry skin scales.
Patients with tinea pedis shows four clinical presentations: Interdigital: -Is the most characteristic form of tinea pedis with erythema, maceration, fissuring and scaling, most often in digital spaces 4 and 5, is accompanied by itching -Dorsal surface of the foot is normal -Is associated with bacterial infection.
Chronic hyperkeratotic: -Is characterized by scaling erythema with chronic plantar hyperkeratosis few and diffuse, may be asymptomatic or itchy Is also called tinea pedis, moccasin, moccasins aviind a similar distribution -Both feet are affected -Dorsal surface of the foot is normal.
Inflammatory / vesicular: Characterized by bubbles or blisters, painful, itchy anterior plantar surface -Lesions may contain clear or purulent fluid Remain break-after scaling and erythema -That you hold can be complicated by cellulitis, and lymphadenopathy limfangita -May be associated with both eruptive dermatofitida called the reactive surfaces on the palm and fingers.
Ulcerative: -Ulcerative form is expanding rapidly through injuries veziculopustuloase, ulcers and erosions -Accompanied by bacterial infection -Malaise, cellulite, limfangita, fever may accompany this form -Is described in diabetic and immunocompromised.
Diagnosis
Dermatophytic - Tinea Symptoms and Diagnosis Laboratory studies: Direct-microscopy by treatment with potassium hydroxide specimens of nails, skin and hair follicles -Can be viewed hyphae, around hair spores can be observed Fungal cultures may be effectual, to identify species Wood-lamp examination showed yellow-green fluorescent M. canis and M. audouinii, T. schoenleinii produces dark green fluorescence.
The differential diagnosis is made with the following conditions: candida, cellulite, eczema, contact, erysipelas, impetigo, psoriasis, vulvo, alopecia areata, eritrasma, intertrigo, seborrheic dermatitis.