TABARES CRUZ, Yaima Beatriz; MEDEROS MOLLINEDA, Katiuska; AQUINO HERRERA-MOYA, Pedro    CONTRERAS MORENO, Adriana Thalía. Secondary hydrocephalus by compression of Aqueduct. About a case. []. , 19, 94, pp. 86-94.   10--2023. ISSN 1990-8644.

Obstructive hydrocephalus due to anomalies of the aqueduct of Silvius or lesions of the fourth ventricle are not frequent in adults, despite being one of the most vulnerable sites in the human body due to its tiny size of 11 millimeters long and 0.9 millimeters in diameter. To this day there is no internationally accepted definition of the term hydrocephalus, but it is known as the condition that presents an increase in the volume of circulating cerebrospinal fluid (CSF). The usual treatment is the placement of a CSF bypass system. We present a 55-year-old male patient with no history of chronic diseases, who reports starting a few months ago with gait disturbance and sphincter incontinence, mentioning the family that presents progressive cognitive impairment; The symptoms are accompanied by frequent projectile vomiting. Magnetic Resonance is requested where ventricular dilation is appreciated by the accumulation of CSF with narrowing of the Silvio aqueduct (which is shown in a 3D video of the patient's brain image), reasons for which he received surgical treatment. Being of great importance the early diagnosis of this pathology to improve the cognitive area of the patient which leads to better quality of life.

: Hydrocephalus; Silvio's aqueduct; Cerebrospinal fluid; Ventricular; Magnetic resonance imaging.

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