Back issues No.1 - 1983 / Original Study  

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Cutaneous Sporotrichosis - A Clinicopathological Study of 31 Cases.
Heng-Leong Chan, Tseng-Tong Kuo, Yue-Zon Kuan
Dermatol Sinica 1: 1-8, 1983

Thirty-one cases of cutaneous sporotrichosis observed from December, 1976 to March, 1983 at Chang Gung Memorial Hospital are reported. The diagnosis was established by positive culture and/or histological observation of spores or asteroid bodies. The group consisted of 24 females and 7 males. They ranged from 7 months to 75 years old with a mean of 30.5 years. Two peak of age incidence were observed, one under 10 years old and the other over 50 years old. There were 7 children and all their lesions occurred on the face. Seasonal in cidence is striking in that 74% of our cases developed their lesions in the fall or winter. Some differences in geogrophic distribution are observed. There was no associated occupational disease and history o trauma was known in only 6 patients. No clustered endemic episodes occurred. Seventeen cases occurred on the upper extremity, 5 on the lower extremity and 9 on the face. The lesions were present from 4 week to 5 years with an average of 8.3 months. Fifteen patients presented linear lesions, fourteen patients localized lesions and two disseminated forms. The clinical manifestations were variable, they appeared as erythematous papules, nodules, eczematous patches or plaques with or without ulceration. Histologically, the most characteristic picture of sporotrichosis consisted of ill-defined granulomas with scattered multinucleated giant cells and microabscesses under a pseudoepitheliomatous hyperplastic epidermis with or without ulceration. Microorganisms were found in 16 cases (52%). They all responded well to oral potassium iodide treatment except two patients, who could not tolerate the regimen.

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