Three patients with neuropsychiatric symptoms (NPSs) associated with thymoma, high serum titers of antiacetylcholine receptor (AchR) antibody and generalized myasthenia gravis (MG) are reported. The NPSs were homogeneous; (1) Altered consciousness as manifested by dreamy state with paramnesia, (2) psychosensory symptoms (the sudden change of senses of smell and taste with behavior...
Five cases of poisoning by indigenous mushroom Hikageshibiretake (Psilocybe argentipes) are reported. As this mushroom contains psilocybin, in general, clinical features were similar to those seen by pure psilocybin. Acute toxic stuporous state with complete amnesia in the culminating period occurred in one case, psychedelic state with dreamy consciousness in one case and psychotic adverse...