eleven patients with myasthenia gravis ( 5 with thymoma ) were studied and spontaneous production of antibody to acetylcholine receptor ( achr ) in vitro was found by thymus cells in 10 ( and in all 5 with thymoma ) and by lymph node cells in 8 ( and in 3 with thymoma ) .
C0040113
thymus
C0040100
thymoma