Paresia del IV par craneal unilateral como único síntoma de isquemia mesencefálica
Introduction. Lesions of the fourth cranial nerves are infrequently diagnosed in cases of disorder of the oculomotor nerves. Most authors consider head injury to be the usual cause of this lesion, which is also frequently seen in association with a microvascular lesion in persons with blood flow problems. Clinical case. We present the case of an isolated lesion of the trochlear nerve as a consequence of midbrain ischaemia. Conclusions. Vascular disorders of the brain stem are an uncommon cause of paresis of the superior oblique muscle of the eye and exceptional as the only symptom
Caso clínico Presentamos una lesión aislada del nervio troclear como consecuencia de una isquemia mesencefálica.
Conclusión Es poco frecuente la afectación vascular de tronco como causa de paresia del músculo oblicuo superior y es más excepcional aún que éste sea su único síntoma