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    Sta je to mikrosporoza?

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    jasmina79

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    Sta je to mikrosporoza?

    Počalji  jasmina79 taj Pon 10 Nov 2008, 15:43

    Da li neko zna nesto o tome?

    johnyAstor
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    Re: Sta je to mikrosporoza?

    Počalji  johnyAstor taj Pon 10 Nov 2008, 15:47

    dito,javi se...............

    jasmina vidi ovo ali ne verujem da je to to,zato sto pise o mackama...


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    Sladja

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    Re: Sta je to mikrosporoza?

    Počalji  Sladja taj Pon 10 Nov 2008, 18:30

    Koliko ja znam mikrosporoza(mikoza) je gljivicno oboljenje koze,koje zahteva dugotrajno lecenje,leci se antimikoticima,takodje od nje obolevaju i ljudi.Nadam se da ce nas veterinar dati preciznije objasnjenje...

    dita

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    Re: Sta je to mikrosporoza?

    Počalji  dita taj Čet 13 Nov 2008, 19:24

    Cao, da mikrosporidiozi ili Dermatophitosis je kozno oboljenje pasa i macaka ali je i zoonoza tj moze i covek da oboli, izazivaju je 3 vrste gljivica Microsporum canis, Microsporum gypseum, and Trichophyton mentagraphytes. Dovode do nadrazaja u kozi i infekcije na folikulima dlake koje opadaju , ostaju ogoljena mesta na kojima mogu da se stvore gnojni cvorici, perutanje te koze, svrab. Lecenje je dugo i mukotrpno i mora da reaguje veterinar
    Ako nekome treba opsirniji tekst o ovoj bolesti(na engleskom) mogu da ga postavim ovde ili da posaljem pm
    P.S. izvinjavam se sto nisam bio na forumu par dana i nisam odgovarao, ucim i radim pa mi ostaje malo slobodnog vremena poozzz

    jasmina79

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    Re: Sta je to mikrosporoza?

    Počalji  jasmina79 taj Pet 14 Nov 2008, 07:49

    Hvala na odgovoru!Sto se mene tice mozete staviti i na engleskom jeziku.

    dita

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    Re: Sta je to mikrosporoza?

    Počalji  dita taj Pet 14 Nov 2008, 12:45

    jasmina79 ::Hvala na odgovoru!Sto se mene tice mozete staviti i na engleskom jeziku.
    DERMATOPHYTES

    Dermatophytes are fungal organisms that invade and utilize keratin resulting in superficial infections of the hair, skin, or claws. The three species most commonly isolated from dogs and cats are Microsporum canis, Microsporum gypseum, and Trichophyton mentagraphytes. Dermatophytosis is commonly over diagnosed in the dog and under diagnosed in the cat.
    CLINICAL PRESENTATION
    Canine

    Although the clinical presentation can vary considerably, when a dermatophyte invades the keratin of an antigen hair the infection causes a folliculitis. The inflammation of the follicle is observed clinically as areas of alopecia, follicular hyperkeratosis, with or without follicular papules, pustules, and crusts. Pruritus is usually absent to mild. Secondary staphylococcal folliculitis is common in the canine and when present, papules, pustules, crusts, and pruritus are more common. In the feline, the most common presentation is alopecia with follicular and epidermal hyperkeratosis with or without miliary papules and crusts, and cats may be asymptomatic carriers.

    Dermatophytosis is often over diagnosed in the canine due to more common causes of folliculitis such as demodicosis and staphylococcal folliculitis. Folliculitis, regardless of the cause, presents with annular to irregular areas of alopecia and follicular hyperkeratosis. One of the most useful clinical differentiators is symmetry of the lesions. Dermatophytosis, due to the infection initiating with contact with infectious spores from another animal, soil, or fomites, usually presents with an asymmetric pattern. Dermatophytosis is more common in young or immunosuppressed patients as is demodicosis, although demodicosis usually is more symmetrically oriented. Lesions for both diseases often involve the face, muzzle, pinna, or feet. With demodicosis the lesions are likely to be symmetric (both pinna, both sides of the muzzle, all four feet, etc) and with dermatophytosis the lesions are more often unilateral or irregularly placed.

    Staphylococcal folliculitis, the most common cause of folliculitis in the canine, is commonly present on the trunk and less common on the limbs and feet, secondary to allergic disease and endocrinopathies such as hypothyroidism and hyperadrenocorticalism. Staphylococcal folliculitis usually does not involve the face or pinna unless it is secondary to demodicosis or dermatophytosis. Lesions often present in the classic ring lesion with central healing and active borders, fine papules and epidermal collarettes. The distribution may be dorsal, ventral, or generalized, but is usually symmetric. Folliculitis due to dermatophytes when present on the trunk, limbs, or feet is more often asymmetric involving one side of the trunk, one thigh, or one foot.

    Kerions are focal lesions involving dermatophytes and secondary staphylococcal folliculitis with follicular rupture and resulting foreign body reaction to the displaced hairs and keratin. They present often as solitary nodules that are boggy, exudative, and may contain draining tracts. Dermatophytosis may also become generalized and present as a seborrheic dermatitis with excessive follicular hyperkeratosis creating a greasy and matted appearance.
    Feline

    Dermatophytosis is often under diagnosed in the cat. Lesions usually present as one or more irregular to annular patches of alopecia, often involving the dorsal nasal skin, face, or pinna, with or without scales, and may be symmetric or asymmetric in distribution. The alopecic areas may become regional to generalized as in "feline symmetric alopecia". Others may present with a papular-crusting dermatitis involving the neck or trunk creating a "miliary dermatitis" or folliculitis and furunculosis of the chin resulting in a "feline acne" pattern. Generalized seborrhea with patches of dry to greasy scale may be present and with excessive grooming and self-trauma may develop into erosive indurated lesions appearing like eosinophilic plaques. Persian cats may develop dermatophyte pseudomycetomas presenting as subcutaneous nodules with ulcers and draining tracts. Alternatively, cats may be asymptomatic carriers with no evidence of alopecia or scale.
    DIAGNOSIS
    History

    History can be important in increasing the suspicion of dermatophytosis. Puppies and kittens recently adopted from shelters, puppy mills, and rescue organizations are more likely to have been infected while associated with other animals. Pets that have been exposed to strays or recently adopted kittens, and pets that go to groomers frequently have an increased exposure potential. The author considers kittens with dermatologic disease that were strays, adopted from shelters, rescue groups, or acquired from large breeders (especially Persians) to be infected with a dermatophyte until proven otherwise. The presence of characteristic lesions on humans in contact with the patient can be helpful, but not diagnostic.
    Microscopic Examination of Hair

    Skin scrapings or hair plucks to rule in/out demodicosis can be examined for the presence of arthrospores on the outside of hair shafts. The samples can be scanned at 100X and suspicious hairs can be examined more closely at 400X. Arthrospores appear as small "glass beads" that cover the hair shaft. Although not a sensitive test, if arthrospores are present, treatment recommendations can be initiated sooner, helping to decrease further contagion.
    Wood’s Light Examination

    Examination of lesions with a Wood’s light for evidence of apple green fluorescent hairs can be useful as a screening test. False negative results are common as approximately only 50% of Microsporum canis strains fluoresce and M. gypseum and T. mentagraphytes do not. Fluorescent hairs can be selected for confirmation by DTM culture and during treatment, progress can be monitored. False-positive results can occur as the adherent follicular scale produced by other causes of folliculitis may fluoresce with a yellow green color and topical medications can produce false fluorescence.
    Dermatophyte Test Medium (DTM)

    Culture of the hairs is the most sensitive and definitive diagnostic test for dermatophytosis. The hairs can be gently plucked or clipped from the margins of lesions, selected with the Wood’s light if fluorescent, or collected with a sterile toothbrush if the patient is asymptomatic. The samples can be cultured on Sabouraud’s dextrose agar or dermatophyte test media. Dermatophyte test media is Sabouraud’s dextrose agar containing cyclohexamide, gentamycin, and chlortetracycline to inhibit saprophytic fungal and bacterial organisms. Phenol red is added as a color indicator. Dermatophytes utilize protein in the media first resulting in alkaline metabolites that change the agar from yellow to red with early colony growth. Saprophytes utilize carbohydrates initially that does not result in a color change with early growth, but when the carbohydrates are exhausted, proteins are utilized and will result in a red color change with continued growth. It is important that the cultures be checked daily for color change during initial growth of the colony. Dermatophyte colonies are also white to slightly buff with age, cottony to powdery, and do not develop green, blue, grey or black coloration with age. White colonies with early red color change are still only presumptive of dermatophytes. The colony should identified microscopically by collecting mature macroconidia from the mycelial surface. Clear Scotch tape is applied sticky-side out to the colony surface to collect macroconidia, and placed sticky-side down over a drop of lactophenol cotton blue on a glass slide, and examined under the microscope.
    Microsporum canis

    Macroconidia are formed in small to abundant numbers and are spindle shaped, have thick echinulate walls, have six or more cells, and a terminal knob. Immature colonies may have poorly formed morphology with fewer than six cells and should be re-examined in 57 days.
    Microsporum gypseum

    Macroconidia are formed in large numbers, are ellipsoid with thin walls, no terminal knob, and contain 6 or fewer cells.
    Trichophyton mentagraphytes

    Macroconidia are formed in small numbers, may be slow to develop, and are cigar shaped with thin smooth walls. Microconidia are usually present in grape-like clusters along the hyphae. Spiral hyphae may be present.
    Biopsy

    Histology of dermatophyte infections may reveal perifolliculitis, folliculitis, and furunculosis with prominent follicular and epidermal hyperkeratosis. Intraepidermal pustular dermatitis may be seen, occasionally with acantholysis that can mimic Pemphigus foliaceus. Biopsy is most useful to differentiate kerion and dermatophyte pseudomycetomas from neoplastic and bacterial granulomas. Fungal elements must be found in the hair follicles, hair shafts, or surface keratin to diagnose dermatophytosis but the absence of fungal elements in the sections examined does NOT rule out the diagnosis.

    johnyAstor
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    Re: Sta je to mikrosporoza?

    Počalji  johnyAstor taj Sre 19 Nov 2008, 08:53

    au,milune....tebi je stvarno dosadno..... Cool Cool Cool


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    jasmina79

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    Re: Sta je to mikrosporoza?

    Počalji  jasmina79 taj Sub 22 Nov 2008, 21:52

    Nemoj tako!Lijepo se ti zahvali sto svoje iskustvo i znanje dijeli sa svima nama Very Happy

    johnyAstor
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    Re: Sta je to mikrosporoza?

    Počalji  johnyAstor taj Ned 23 Nov 2008, 09:59

    hvala,hvala..... Smile Smile


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    snjezana maric

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    Re: Sta je to mikrosporoza?

    Počalji  snjezana maric taj Sub 19 Sep 2009, 19:12

    Dragi moji,macak mi dobi mikrosporozu.Psi zdravi za sada,okupani oronazolom,digla kucu u zrak dezinficirajuci.Neznam sta jos ciniti da mi se i psi ne zaraze?Ima li savjeta.puse affraid

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