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Hydrocephalus - Symptom

Alternative Names

Water on the brain

Symptoms:

The symptoms depend on the cause of the blockage, the person's age, and how much brain tissue has been damaged by the swelling.

In infants with hydrocephalus, CSF fluid builds up in the central nervous system, causing the fontanelle (soft spot) to bulge and the head to expand. Early symptoms may also include:

  • Separated sutures
  • Vomiting

Symptoms of continued hydrocephalus may include:

  • Irritability, poor temper control
  • Muscle spasticity (spasm)

Symptoms that occur later in the disease may include:

  • Brief, shrill, high-pitched cry
  • Decreased mental function
  • Delayed development
  • Difficulty feeding
  • Excessive sleepiness
  • Loss of bladder control (urinary incontinence)
  • Slow growth (child 0-5 years)
  • Slow or restricted movement

Symptoms in older babies and children may include:

  • Changes in facial appearance and eye spacing
  • Confusion or psychosis
  • Crossed eyes
  • Headache
  • Loss of coordination
  • Poor gait (walking pattern)
  • Uncontrolled eye movements
  • Vision changes
  • Vomiting

Signs and tests:

When a health care provider taps fingertips on the skull, there may be abnormal sounds that indicated thinning and separation of skull bones. Scalp veins may appear stretched or enlarged.

Part or the entire head may be larger than normal. Enlargement is most commonly seen in the front part of the head. Head circumference measurements, repeated over time, may show that the head is getting bigger.

The eyes may look "sunken in." The white part of the eye may appear above the colored part of the eye, given the eyes a "setting-sun" appearance. Reflexes may be abnormal.

A head CT scan is one of the best tests for identifying hydrocephalus. Other tests that may be done include:

  • Arteriography
  • Brain scan using radioisotopes
  • Cranial ultrasound (an ultrasound of the brain)
  • Lumbar puncture and examination of the cerebrospinal fluid (rarely done)
  • Skull x-rays
  • Reviewed last on: 12/1/2008
  • Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Kinsman SL, Johnston MV. Congenital anomalies of the central nervous system. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 592.

Golden JA, Bönnemann CG. Developmental structural disorders. In: Goetz, CG, eds. Textbook of Clinical Neurology. 3rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 28.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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