Lesage Symptom

Lessage Symptom (Lessage's symptom) is a symptom confirming the presence of intracranial hypertension in patients with intracranial neoplasms of a tumor or non-tumor nature, caused by increased intracranial pressure. This symptom occurs when the patient's head is passively tilted back. The symptom got its name in honor of the French doctor Jean Benedict de Meilhua-Lesage, who proposed this diagnostic method. The symptom is named so because its occurrence is caused by an increase in arterial pulse. The first study was carried out in 1680 by the French physician Jacques Denys, who found that