Isolated lymphadenitis due to Histoplasma capsulatum diagnosed by fine-needle aspiration biopsy and immunohistochemistry

摘要: In the disseminated form of histoplasmosis, isolation and further identification Histoplasma capsulatum can be performed by several methods, namely, bone marrow aspiration, blood culture, liver biopsy. Lymph node disease usually is diagnosed excisional Although fungal stains identify this fungus, detection specific antigens immunohistochemistry shows a higher specificity sensitivity. This approach use cell block method when material not sent to cultures or fresh staining.