Isolated idiopathic bilateral vocal cord paralysis in two sisters: Case report and review of familial vocal cord paralysis

Two sisters noted to have neonatal stridor were diagnosed with isolated idiopathic bilateral vocal cord paralysis. The vocal cord paralysis spontaneously resolved in both after being tracheostomy tube-dependent for varying periods of time. This is the third known isolated case documented in sisters. An updated literature review of this uncommon complex condition is presented.