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The Korean Journal of Pathology 1993;27(6): 673-675.
Leiomyoma of the Lung: A case report.
Seung Yeon Ha, Yung Suk Lee, Won Bo Cho, In Sun Kim
Department of Anatomical Pathology, Korea University Anam Hospital, Seoul, Korea.
ABSTRACT
We present a 37-year-old male who was found to had mas within the bronchus. This patients was admitted for the evaluation of cough. Chest CT scan showed endobronchial mass in the bifurcation of LUL and LLL bronchus. The left lower lobe was atelectatic. Lobectomy of the left lower lobe was done. On opening of the bronchus, there was a 2x1x1 cm sized endobronchial mass. Histologically, the mass was smooth muscle tumor composed of densely packed eosinophilic spindle cells in interlacing bundles with pale elongated nuclei covered by bronchial epithelium. On immunohistochemical staining, the tumor cells were positive for desmin. Ultrastructurally, the tumor cells exhibited numberous cytoplasmic microfilaments with focal densities, pinocytotic vesicles, and a thick basal lamina.
Key Words: Leiomyoma; Bronchus