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. 2013 Sep;5(Suppl 4):S378–S382. doi: 10.3978/j.issn.2072-1439.2013.06.22

Table 1. Histology of endobronchial neoplasms.

Benign Malignancy
Tumors of mesenchymal origin Tumors of surface epithelial origin
    Hamartomas      Squamous cell carcinoma
    Lipomas      Adenocarcinoma
    Chondromas      Small cell carcinoma
    Primary pulmonary leiomyomas      Large cell neuroendocrine carcinoma
    Granular cell tumor      Carcinoid tumor
    Neurogenic tumors Tumors of submucosal gland origin
Tumors of submucosal gland origin      Mucoepidermoid Carcinoma (MEC)
    Mucous Gland Adenoma      Adenoid Cystic Carcinoma (ACC)
    Pleomorphic Adenoma      Pulmonary acinic cell carcinoma
Tumors of surface epithelial origin Tumors of mesenchymal origin
    Papillomas      Primary pulmonary sarcomas
    Solitary squamous papillomas      Metastases restricted to the bronchus
    Columnar cell papillomas Biphasic malignant tumors
    Fibroepithelial polyps      Pleomorphic carcinoma
     Carcinosarcoma
     Pulmonary blastomas
Others
     Lymphoma
     Malignant melanoma