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 (hī′drō-sĕf′ə-ləs) also hy·dro·ceph·a·ly (-lē)
A usually congenital condition in which an abnormal accumulation of fluid in the cerebral ventricles causes enlargement of the skull and compression of the brain, destroying much of the neural tissue.

[New Latin, from Greek hudrokephalon : hudro-, hydro- + kephalē, head; see ghebh-el- in Indo-European roots.]

hy′dro·ce·phal′ic (-sə-făl′ĭk), hy′dro·ceph′a·loid′ (-loid′), hy′dro·ceph′a·lous (-ləs) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌhaɪdrəʊˈsɛfələs) or


(Pathology) accumulation of cerebrospinal fluid within the ventricles of the brain because its normal outlet has been blocked by congenital malformation or disease. In infancy it usually results in great enlargement of the head. Nontechnical name: water on the brain
hydrocephalic, ˌhydroˈcephaloid, ˌhydroˈcephalous adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌhaɪ drəˈsɛf ə ləs)

also hy`dro•ceph′a•ly,

an accumulation of serous fluid within the cranium, esp. in infancy, due to obstruction of the movement of cerebrospinal fluid, often causing great enlargement of the head; water on the brain.
[1660–70; < Late Latin hydrocephalus (morbus) water-headed (sickness), translation of Greek tò hydroképhalon páthos. See hydro-1, -cephalous]
hy•dro•ce•phal•ic (ˌhaɪ droʊ səˈfæl ɪk) adj., n.
hy`dro•ceph′a•lous, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hydrocephalus - an abnormal condition in which cerebrospinal fluid collects in the ventricles of the brain; in infants it can cause abnormally rapid growth of the head and bulging fontanelles and a small face; in adults the symptoms are primarily neurological
abnormalcy, abnormality - an abnormal physical condition resulting from defective genes or developmental deficiencies
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


[ˌhaɪdrəʊˈsefələs] Nhidrocefalia f
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005


n. hidrocéfalo, acumulación de líquido cefalorraquídeo en los ventrículos del cerebro.
English-Spanish Medical Dictionary © Farlex 2012


n hidrocefalia; normal pressure — hidrocefalia normotensiva
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
TABLE 1 Secondary causes for increased intracranial pressure (2-5) Arachnoid granulation adhesions post meningeal infection Choroid plexus papilloma Jugular vein compression Mass lesion (tumor, abscess) Neck surgery Obstructive hydrocephalus Subarachnoid hemorrhage Venous sinus thrombosis TABLE 2 International Headache Society classification of headache attributed to IIH diagnostic criteria (2) A.
Endoscopic third ventriculostomy versus ventriculoperitoneal shunt in the treatment of obstructive hydrocephalus due to posterior fossa tumors in children.
In intracranial metastatic disease, especially in the presence of multiple lesions or leptomeningeal spread, the prognosis is usually considered poor on the scale of few weeks to months.1 In certain situations however, if there is a single lesion or a posterior fossa periventricular lesions resulting in obstructive hydrocephalus, primary surgical resection can be of benefit in relieving this obstruction and provide survival benefit.1
Hence, some clinical remarks have been suggested in the early identification of acute obstructive hydrocephalus (1).
Colloid cysts are often found incidentally but when symptomatic, they present with obstructive hydrocephalus and paroxysmal headaches.
She's had several long hospital stays with surgeries, chemotherapy and more as part of living with the inoperable tumors, brain cancer and acquired obstructive hydrocephalus, a life-threatening condition in which fluid builds up on the brain.
The clinical presentation is mainly related to the tumor location [5]: suprasellar lesions cause diabetes insipidus (DI), hypopituitarism, or bilateral temporal hemianopsia, whereas lesions of the pineal region produce signs of increased intracranial pressure (ICP) due to obstructive hydrocephalus, Parinaud's syndrome, ataxia, behavioral changes, and seizure.
Caption: Figure 3: Transversal T1w image at 1.5 Tesla (a) shows a large hypointense tumor of the right cerebellar hemisphere with a hyperintense cyst on FLAIR images (b), which fills most of the fourth ventricle and causes obstructive hydrocephalus (not shown).
The most frequent tubercular Meningitis-induced complications encountered were infarcts seen in 15 cases (34.9%) and obstructive hydrocephalus in 15 cases (34.9%).
Predictors for tracheostomy in patients with intracerebral hemorrhage have been proposed to be hematoma volume ([greater than or equal to]30 cc), intraventricular hemorrhage, obstructive hydrocephalus, Glasgow Coma Scale (GCS; <8), prolonged intubation ([greater than or equal to] 14 days), and pneumonia [7].
Acute hemorrhage within the cyst is a rare life-threatening condition due to the rapid development of obstructive hydrocephalus or exacerbating preexisting hydrocephalus which requires immediate diagnosis and surgical intervention [11, 12].

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