The sample included patients with the following subtypes of MG: 20 with ocular MG (3 females, 17 males), 29 EOMG (24 females, 5 males), 47 LOMG (18 females, 29 males), 15 thymoma-associated MG (10 females, 5 males), 11 anti-MuSK positive (9 females, 2 males), and 19 double seronegative (10 females, 9 males). The gene discussed is MUSK; the disease is thymoma.