Bronchial leiomyoma is a rare disease in children. Recently, the association of leiomyoma and HIV infection was reported. We describe a boy with a cellular immunodeficiency, who had endobronchial leiomyoma. The tumor cells were positive for Epstein-Barr virus-encoded RNA-1 (EBER-1) and Epstein-Barr virus-determined nuclear antigen-2, suggesting a role of Epstein-Barr virus in the pathogenesis of leiomyoma.
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