Background: Patients with functional neurological disorder presenting as stroke mimics or functional stroke mimics (FSMs) pose significant diagnostic challenges. In the acute phase, especially when patients are present within the therapeutic window for acute reperfusion treatments, a misdiagnosis of FSM can lead to unnecessary and costly interventions. Despite its clinical importance, the literature on the risk...
Isolated internuclear ophthalmoplegia (INO) is an extremely rare presentation of stroke [1–3]. INO is defned by the presence of ipsilateral adduction paresis with contralateral dissociated nystagmus on horizontal gaze and is caused by strategic brainstem lesions involving the medial longitudinal fasciculus (MLF) [2, 3].