Fig. 8
From: Primary thymus tumors: retrospective case analysis at a reference center in Latin America, 2011–2019
a, b, c Chest CT scan, 1 coronal and 2 sagittal cuts, showing a small mass localized in the anterior mediastinum with well-defined borders, heterogeneous density, without invading o compressing structures. D, E, F. Hematoxylin and eosin (H&E) staining, it is observed at 2x, 10x and 20x showing uniform cells, with little pleomorphism, cytoplasm in moderate quantity that form large solid nodules, separated by dense fibrous tissue. In some of these nodules, the tumor cells form well-differentiated rosettes. Diagnosis of an atypical carcinoid tumor originating in the thymus