1667
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Type AB thymoma
Thymus
Haematoxylin & Eosin (H&E)
61 years
male
61 years old man with mediastinal tumor and myasthenia gravis.
Encapsulated tumor of spindle cells with more lymphocytes.
Differential diagnosis to Type B1 thymoma can be difficult. In the silver staining there are more filaments in Type AB thymoma with enclosing of single epithelial cells.
Huber Bettina
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