Conclusion the etiology of bbe , which is not yet known exactly , may be related with the autoimmune after the viral infection . Corticosteroid treatment is effective and the prognosis is favorable .

结论脑干脑炎的病因未明，可能与病毒感染后的自身免疫有关，激素治疗有效，预后良好。

Conclusion the etiology of bbe , which is not known exactly , may be related with the autoimmune damage after viral infection . The course of the bbe was monophasic and benign . Corticosteroid treatment is effective and the prognosis is favorable .

结论脑干脑炎病因不明，病原学常难以明确，推测是病毒感染后自身免疫损伤所致，呈单相良性病程，激素治疗有效，预后良好。