Article: article from journal or magazin.
Case report (case report): feedback on an observation with a short commentary.
Bronchial granular-cell tumor. Report of a case with preoperative cytologic diagnosis on bronchial brushings and immunohistochemical studies
PT - Case Reports PT - Journal Article
A 42-year-old man presented with a polypoid endobronchial mass of the right apical segmental bronchus. Bronchial brushing smears contained clusters of cells exhibiting abundant diffusely granular cytoplasm with indistinct borders. A cytologic diagnosis of granular-cell tumor was rendered. Histologic examination of the upper right lobectomy specimen provided confirmation. Immunohistochemically, the granular cells strongly reacted with the S-100 protein antibody. This case demonstrates that the cytologic diagnosis of bronchial granular-cell tumor is possible if this lesion is considered in the differential diagnosis of lung tumors
Adult/Bronchi/Pathology/Cell Nucleus/ultrastructure/Cytodiagnosis/methods/Cytoplasmic Granules/Granular Cell Tumor/surgery/Humans/Lung Neoplasms/Male
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