All of the following conditions are associated with thymoma except?
Myasthenia gravis
Pemphigus foliaceus
Pancytopenia
Hypergamma globulinemia
Thymoma is associated with B cell deficiency and hypogamma globulinemia. Other conditions associated with thymoma are myasthenia gravis, autoimmune hemolytic or aplastic anemia, pancytopenia, thrombotic thrombocytopenic purpura, pemphigus foliaceus, sjogren's syndrome, polymyositis.