Key result
Right lower lobectomy was performed to treat a primary endobronchial leiomyosarcoma following the spontaneous expectoration of tumor tissue, representing the first reported case of its kind.
Case Report (n=1)
This is the first reported case of partial expectoration of a primary endobronchial leiomyosarcoma.
Spontaneous expectoration may signal rare endobronchial leiomyosarcoma; first case extends literature but remains hypothesis-generating.
A case is presented with spontaneous expectoration of a small piece of solid tissue. Pathologic examination of the expectorated tissue was found to be consistent with leiomyosarcoma. After further work-up, there was no evidence of another primary site of leiomyosarcoma except for the right lower lobe. Right lower lobectomy was performed. The surgical specimen showed a tumor that was histologically identical to the patient's previous expectorated tissue. To the authors' knowledge, this is the first report of partial expectoration of a primary endobronchial leiomyosarcoma.
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Lee et al. (2001) conducted a case report in Primary endobronchial leiomyosarcoma (n=1). Right lower lobectomy was evaluated. Right lower lobectomy was performed to treat a primary endobronchial leiomyosarcoma following the spontaneous expectoration of tumor tissue, representing the first reported case of its kind.
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