Radiology Teaching Files > Case 11204561

previously visited HYDROCEPHALUS
Contributed by: DIEGO HERNAN LLANOS, Radiologist, Hospital d'Igualada, Spain.
Patient: 79 year old male
Paciente con historia de alteracion en la marcha y Cefalea.

Patient with history of alteration in the march and Migraine.

Fig. 1: CT Axial. Indice Ventricular normal, con relacion de 0.26. Axial CT. Normal Ventricular index, with 0.26 relation.

Fig. 2: CT Axial. Signos de Hidrocefalia, con dilatación de ventriculos laterales. Axial CT. Signs of Hydrocephalus, with expansion of lateral ventricles.

Fig. 3: CT Axial. Hidrocefalia severa, con indice de 0.49. Axial CT. Severe Hydrocephalus, with 0.49 index.
Signos de hidrocefalia, con dilatación de los ventriculos laterales.
Hay prominencia en la parte anterior de los cuernos frontales, pero sin signos de exudación transependimaria.

Signs of hidrocefalia, with expansion of the lateral ventricles.
There is prominencia in the forcebody of the frontal horns, but without signs of transependimaria exudation.
Una forma objetiva de Diagnosticar la hidrocefalia y determinar su severidad, es midiendo el indice ventricular.
Es la relación entre la distancia del borde externo de los cuernos frontales y las tablas internas del craneo al mismo nivel. Normalmente es menor de 0.3.
Severidad de hidrocefalia:
Leve relación entre 0.3 y 0.4
Moderada entre 0.4 y 0.46
Severa mayor de 0.46

An objective form To diagnose hidrocefalia and to determine its severity, is measuring the ventricular index.
It is the relation between the internal distance of the external edge of the frontal horns and tables of the skull at he himself level. Normally he is smaller of 0.3.
Severity of hidrocefalia:
Slight relation between 0,3 and 0.4
Moderate between 0,4 and 0.46
Severe greater of 0.46
John L Sherman et al. The MR Appearance of CSF Flow in Patiens with Ventriculomegaly.
AJR 148: 193-199, January 1987.
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Additional Details:

Case Number: 11204561Last Updated: 10-08-2007
Anatomy: Cranium and Contents   Pathology: Other
Modality: CTExam Date: 09-25-2007Access Level: Readable by all users
Keywords: hydrocephalusACR: 167.823

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