RESUMO
This study describes an outbreak of alopecia in laboratory rats caused by the saprophytic fungi Scopulariopsis brevicaulis in a Brazilian lab animal facility. Initially, lesions were identified only in females during the lactation period, which showed circumscribed areas with alopecia without pruritus extensively at the abdomen and the medial side of the thighs. Later during the course of the infection, skin lesions affected both genders reaching about 10% of the colony. Skin scrapings, hair, and environmental samples from the facility were sent for analysis. The cultures were carried out in Sabouraud agar and over seven days fast-growing colonies varying in color from white to brown were observed. Micromorphology showed mycelium and characteristic ringworms of the fungus S. brevicaulis. There is a similar report of an outbreak of this fungus in Turkey. To date, this is the first report in the literature of the fungus S. brevicaulis causing disease in laboratory rats in Brazil.
Assuntos
Animais , Ratos , Surtos de Doenças/veterinária , Alopecia/veterinária , Alopecia/epidemiologia , Scopulariopsis , Animais de Laboratório/microbiologia , Ratos Wistar , AbdomeRESUMO
A 7-year-old Caucasian female resident of the southern coast of Brazil presented dark spots on the left palm that converged to a unique macule with speckled pattern at about 1 month. The mycological exam and the fungi culture were typical of Hortaea werneckii, the agent of the superficial mycosis Tinea nigra. The patient received butenafine hydrochloride 1% for 30 days, resulting in a complete remission of the lesion. At a follow-up visit 12 months after treatment, there was no lesion recurrence. We describe a form of rare geographical Tinea nigra with a speckled pattern. The "salt and pepper" aspect should be taken into consideration when the mycosis was suspected.
Assuntos
Antifúngicos/administração & dosagem , Ascomicetos/isolamento & purificação , Benzilaminas/administração & dosagem , Dermatoses da Mão/diagnóstico , Naftalenos/administração & dosagem , Tinha/diagnóstico , Administração Tópica , Ascomicetos/citologia , Brasil , Criança , Feminino , Dermatoses da Mão/tratamento farmacológico , Dermatoses da Mão/microbiologia , Humanos , Micélio , Esporos Fúngicos , Tinha/tratamento farmacológico , Tinha/microbiologia , Resultado do TratamentoRESUMO
We report a case of Tinea nigra in an adolescent living in Itapema, Santa Catarina, Brazil, who presented a hyperchromic macule on the palm of the left hand, close to another erythematous macule caused by a rabbit bite. The patient received guidance on accidents and animal bites and evolved well treated with topical butenafine for the dermatomycosis. The authors also highlight the efficacy of the dermoscopic exam in diagnosing Tinea nigra with animal bite lesions and other traumas.
Assuntos
Mordeduras e Picadas/complicações , Dermoscopia/métodos , Tinha/diagnóstico , Adolescente , Animais , Antifúngicos/uso terapêutico , Benzilaminas/uso terapêutico , Feminino , Humanos , Naftalenos/uso terapêutico , Coelhos , Pele/patologia , Tinha/tratamento farmacológico , Tinha/etiologia , Resultado do TratamentoRESUMO
We report a case of Tinea nigra in an adolescent living in Itapema, Santa Catarina, Brazil, who presented a hyperchromic macule on the palm of the left hand, close to another erythematous macule caused by a rabbit bite. The patient received guidance on accidents and animal bites and evolved well treated with topical butenafine for the dermatomycosis. The authors also highlight the efficacy of the dermoscopic exam in diagnosing Tinea nigra with animal bite lesions and other traumas.
Assuntos
Adolescente , Animais , Feminino , Humanos , Coelhos , Mordeduras e Picadas/complicações , Dermoscopia/métodos , Tinha/diagnóstico , Antifúngicos/uso terapêutico , Benzilaminas/uso terapêutico , Naftalenos/uso terapêutico , Pele/patologia , Resultado do Tratamento , Tinha/tratamento farmacológico , Tinha/etiologiaRESUMO
The authors report a case of bilateral Tinea nigra plantaris treated through a double-blind study with the topical antifungal agents Isoconazole and Terbinafine. The objective of the study was to clinically compare the efficacy of these two topical antifungal agents on days 10, 20 and 30 of the treatment. No significant clinical differences were found, as all the plantar lesions regressed completely by the end of the treatment. Our conclusion was that in the case reported, the topical antifungal agents Isoconazole and Terbinafine demonstrated identical efficacy as a clinical cure. We also suggest the inclusion of injuries caused by arthropods of the Diplopoda Class in the differential diagnosis of Tinea nigra plantaris, due to the persistent acral hyperpigmentation.
Assuntos
Antifúngicos/uso terapêutico , Miconazol/análogos & derivados , Naftalenos/uso terapêutico , Tinha dos Pés/tratamento farmacológico , Diagnóstico Diferencial , Método Duplo-Cego , Humanos , Masculino , Miconazol/uso terapêutico , Terbinafina , Fatores de Tempo , Tinha dos Pés/diagnóstico , Resultado do Tratamento , Adulto JovemRESUMO
The authors report a case of Tinea nigra in an 8-year-old child, male, from Itajaí, SC, Brazil, with lesions of the macular hyperchromic type, unique, asymptomatic, localized in the right palmar area. The lesion was treated with the topical antifungal butenafine, with remission of symptoms and without recurrence at follow-up for two years.
Assuntos
Antifúngicos/uso terapêutico , Benzilaminas/uso terapêutico , Dermatoses da Mão/tratamento farmacológico , Naftalenos/uso terapêutico , Tinha/tratamento farmacológico , Brasil , Criança , Dermatoses da Mão/microbiologia , Humanos , Masculino , Tinha/microbiologiaRESUMO
The authors report a case (in Itajai, Santa Catarina State, Brazil) of tinea nigra in a 4-year-old female child which spontaneously healed. We discuss the clinical and epidemiological aspects of the mycosis and this rare case of spontaneous healing.
Assuntos
Ascomicetos , Dermatoses da Mão/diagnóstico , Tinha/diagnóstico , Brasil , Pré-Escolar , Feminino , Dermatoses da Mão/microbiologia , Humanos , Remissão Espontânea , Tinha/microbiologiaRESUMO
Through a photographic essay, we identified similarities between hyperchromic maculas of two cases of Tinea Nigra with images of a heart-shaped mangrove called "Coeur de Voh", located on the French island of New Caledonia (Oceania) and of a rock formation called "Parrot Beak" located on Cabeçudas Beach, Itajaí, Santa Catarina State (Brazil).
Assuntos
Tinha/patologia , Pré-Escolar , Feminino , Humanos , MasculinoRESUMO
Através de ensaios fotográficos foram evidenciadas semelhanças entre máculas hipercrômicas de dois casos de Tinea nigra com imagens do manguezal denominado "Coeur de Voh", localizado na Ilha Francesa da Nova Caledônia (Oceania) e com a formação rochosa, denominada "Bico do Papagaio", localizada na Praia de Cabeçudas, Itajaí, Estado de Santa Catarina (Brasil).
Through a photographic essay, we identified similarities between hyperchromic maculas of two cases of Tinea Nigra with images of a heart-shaped mangrove called "Coeur de Voh", located on the French island of New Caledonia (Oceania) and of a rock formation called "Parrot Beak" located on Cabeçudas Beach, Itajaí, Santa Catarina State (Brazil).
Assuntos
Pré-Escolar , Feminino , Humanos , Masculino , Tinha/patologiaRESUMO
Subcutaneous phaeohyphomycosis is a disease caused by dematiaceous fungi that develops mainly in immunocompromised patients. Lesions are generally located on the lower limbs. The present report describes a case of phaeohyphomycosis in an immunocompetent patient in whom a subcutaneous abscess was located in an unusual site, on the left hemiscrotum. The abscess was treated successfully with oral fluconazole associated with surgical excision.