What causes Bess in babies?
BESS is the most common cause of macrocephaly in infancy (4, 8, 9). It is more common in males (4, 10, 11). A genetic cause is likely in some cases, with the infants’ father often having a large head (3, 12).
How common is hydrocephalus in babies?
Hydrocephalus is not a disease but a condition and has several causes. Congenital (inborn) hydrocephalus occurs in one or two of every 1,000 babies born in the U.S. Hydrocephalus is the most common reason for brain surgery in children.
What causes benign external hydrocephalus?
As most reported cases of external hydrocephalus seem to be idiopathic, various theories regarding the underlying pathophysiology have been presented. The most common theory suggests that external hydrocephalus is caused by immature arachnoid villi not able to absorb the CSF that is produced continuously [14].
What is benign familial macrocephaly?
Benign familial macrocephaly is an inherited condition. It happens in families predisposed to having larger heads. Sometimes there is a problem with the brain, such as hydrocephalus or excess fluid. Underlying conditions will require treatment.
How common is Bess?
Three hundred eleven studies (57.8%) exhibited BESS. In 265 studies (49.2%), BESS was Grade 1, and in 46 studies (8.6%), BESS was Grade 2. There were 21 studies (3.9%) with incidental subdural collections, only 10 of which were recognized in the initial radiological interpretations.
What is Bess in medical?
Abstract. Benign enlargement of sub-arachnoid spaces (BESS) is one of the causes of macrocephaly in infants. It is a self-limiting condition and does not require any active medical or surgical treatment.
What is the difference between internal and external hydrocephalus?
Internal hydrocephalus refers to an accumulation of CSF within the ventricles of the brain. External hydrocephalus refers to accumulation of fluid outside the ventricles.
What is it called when your head is bigger than your body?
Macrocephaly is a condition in which circumference of the human head is abnormally large. It may be pathological or harmless, and can be a familial genetic characteristic.
Can macrocephaly be cured?
It usually doesn’t require treatment. Your child’s healthcare provider will closely follow your child. Usually, children outgrow this condition. Macrocephaly is a word that means your baby has a larger than normal head circumference.