X-linked Hydrocephlaus

X-linked hydrocephalus (L1 syndrome)

**September is Hydrocephalus Awareness month**

The Hydrocephalus Association describes X-Linked Hydrocephalus and Finding our way with L1cam!  Check it out!!

Hydrocephalus comes from the Greek words hydro meaning water and cephalus meaning head.

Hydrocephalus is an abnormal accumulation of cerebrospinal fluid (CSF) within cavities in the brain called ventricles. Cerebrospinal fluid is produced in the ventricles and in the choroid plexus. It circulates through the ventricular system in the brain and is absorbed into the bloodstream. This fluid is in constant circulation and has many functions, including to surround the brain and spinal cord and act as a protective cushion against injury. It contains nutrients and proteins necessary for the nourishment and normal function of the brain, and carries waste products away from surrounding tissues.

Hydrocephalus occurs when there is an imbalance between the amount of CSF that is produced and the rate at which it is absorbed. As the CSF builds up, it causes the ventricles to enlarge and the pressure inside the head to increase.

My boys were diagnosed with Hydrocephalus at birth.

Congenital hydrocephalus accounts for approximately 50% of all forms of hydrocephalus.

X-linked hydrocephalus (L1 syndrome) is the most common genetic cause of congenital hydrocephalus, accounting for about 10% of congenital hydrocephalus in boys, and is a common cause of X-linked spastic paraplegia (SPG1) in boys.

L1 syndrome is caused by mutations in the neural cell adhesion molecule L1 (L1CAM) gene at Xq28 and comprises a broad clinical spectrum of disorders, including X-linked hydrocephalus (XLH), MASA syndrome (Mental retardation, Adducted thumbs, Shuffling gait, Aphasia), spastic paraplegia type I (SPG1)

References:

Hydrocephalus

Finding Our Way with L1CAM

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