Chronic Pulmonary Sporotrichosis: Report of a Case, Including Morphologic and Mycologic Studies

Abstract
The mycology of a case of chronic pulmonary sporotrichosis is presented. Some pitfalls in laboratory procedure which may lead to a misdiagnosis are emphasized, for example, misinterpretation of colonial growth, delay in specimen staining, the application of an inappropriate Gram-staining procedure to sputum smears, and failure to persevere in the microscopic examination of stained specimen materials. Although serologic tests have not been applied routinely, evidence suggests that utilization of the yeast phase agglutination test would be helpful in diagnosing pulmonary sporotrichosis. In addition, it is believed that cavity formation provides sufficient grounds for including sporotrichosis in the differential diagnosis of chronic pulmonary disease. The increased number of reported cases of pulmonary sporotrichosis over the last decade is evidence that this infection is not as rare as was once supposed, and reflects a greater awareness of the role of fungi in the etiology of pulmonary disease.

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