| Thymoma |
• Type A, spindle cell; medullary |
|
• Type AB, mixed |
|
• Type B1, lymphocyte-rich; lymphocytic; predominantly cortical; organoid |
|
• Type B2 cortical |
|
• Type B3 epithelial; atypical; squamoid; well-differentiated thymic carcinoma |
|
Micronodular thymoma |
|
Metaplastic, sclerosing, microscopic thymoma |
|
Lipofibroadenoma |
| Thymic carcinoma |
• Squamous cell, Epidermoid keratinizing |
| • Epideromid non-keratinizing |
| • Basaloid |
| • Lymphoepithelioma-like |
|
• Mucoepidermoid Ca |
| • Sarcomatoid |
| • Clear cell |
| • Mucoepidermoid |
|
• Papillary |
| • Undifferentiated |
| • Combined |
| Neuroendocrine tumors |
• Well-differentiated neuroendocrine tumor/carcinomas, including typical and atypical carcinoids |
|
• Poorly-differentiated neuroendocrine carcinomas, including large and small cell neuroendocrine carcinoma |