thymoma thymoma type AB https://www.malacards.org/card/mixed_type_thymoma https://www.malacards.org/card/thymoma_type_ab primary thymic epithelial neoplasm type AB primary thymic epithelial tumor type AB NCIT:C6885 mixed type thymoma DOID:3280 UMLS:C1266092 thymoma type AB GARD:0020894 MEDGEN:220414 A thymic epithelial neoplasm characterized by the presence of a lymphocyte-poor component similar to that seen in type A thymoma and a lymphocyte-rich component which contains neoplastic small polygonal epithelial cells. It may be associated with myasthenia gravis and pure red cell aplasia. The majority of cases occur in the anterior mediastinum as Masaoka stage I tumors. A minority of the cases occur as stage II or stage III tumors. The overall survival is reported to be 80-100% at 5 and 10 years. ICDO:8582/1 MONDO:0016975 primary thymic epithelial tumour type AB Orphanet:263324 EFO:1000582