...Highlights 1. Nonepithelial neoplasms encountered in EBUS-TBNA specimens include non-Hodgkin lymphoma, Hodgkin lymphoma, myeloid sarcoma, plasma cell neoplasms, dendritic cell tumors, mesenchymal tumors, germ cell tumors, melanoma, and mesothelioma. 2. EBUS-TBNA can accurately diagnose...

... neoplasm, but its vascular nature may be less evident. Irregular and anastomosing vascular channels are intermingled with solid cellular areas with spindle or epithelioid morphology; blood lakes, necrotic areas, and mitoses are typically present (Fig. 1 ). Fig. 1 Histology of breast angiosarcoma...

...Highlights 1. Lung carcinomas are the most frequent cause of a positive EBUS-TBNA, with non-small-cell lung carcinoma (NSCLC) being the most common (70%). Other subtypes of primary lung epithelial neoplasms seen in EBUS-TBNA include small-cell carcinoma, atypical carcinoid, large-cell...

...Highlights 1. Thymic lesions and neoplasms are important to include in the differential diagnosis of any anterior mediastinal mass. To date, limited reports have documented the role and accuracy of EBUS-TBNA for diagnosing tumors of the thymus. 2. Thymic cysts are included...