The ageing and myasthenic thymus: A morphometric study validating a standard procedure in the histological workup of thymic specimens

The thymus is believed to play an important role in the pathogenesis of myasthenia gravis (MG). The 80% of MG patients with anti-acetylcholine receptor autoantibodies fall into three clinical Subgroups: 1) thymoma; 2) early-onset MG (