Benign Enlargement Of Subarachnoid Space

Benign enlargement of subarachnoid spaces causes an increase of the head circumference and a flat forehead due to frontal bossing.

Benign enlargement of subarachnoid space. It is theorized to be due to a delay in development of arachnoid villi in the saggital sinus leading to faulty csf resorption. In this review we described epidemiology etiology clinical presentation pathogenesis neuroimaging treatment and outcome of entity from current literature. Bess is more common in males and there is often a family history of macrocrania. Their treatment is aimed to improve the flow of csf.

However there are several genetic disorders in which enlargement of the subarachnoid spaces can be an early. The icd 10 cm code p52 5 might also be used to specify conditions or terms like convexal subarachnoid hemorrhage decreased flexion fetal or neonatal non traumatic. Benign enlargement of subarachnoid spaces bess in infancy is a most common cause of macrocephaly and is characterized by excess cerebrospinal fluid csf in the subarachnohd spaces. Arachnoid cysts are regarded as a developmental anomaly that occur in the subarachnoid space.

It has been described as a variation of normal development of the. Some of them may have a patent and free communication with adjoining cisterns. We favor the use of the term benign enlargement of the subarachnoid spaces of infancy for those children with proven normal development. Arachnoid cysts behave as entrapped collections of fluid variably communicating with the subarachnoid space.

Benign enlargement of the subarachnoid spaces appears to be related to normal variations in cerebrospinal fluid absorptive capacity and the radiographic findings should follow an expected time course to resolution by 18 24 months of age as the absorptive capacity of the arachnoid villi matures. The etiology is not clear. The literature on the topic is complicated by varying terminology. Benign enlargement of subarachnoid space bess in infancy is the most common cause of macrocephaly and characterized clinically with large head circumference normal or mildly motor and language.

Enlargement of the subarachnoid spaces is occasionally encountered during neuroimaging of children. Benign external hydrocephalus or benign enlargement of the subarachnoid spaces bess is typically characterized clinically by macrocrania and frontal bossing. Enlargement of the subarachnoid spaces has been considered a benign entity associated with developmentally normal infants with macrocephaly. This enlargement is generally regarded as a nonpathologic process that resolves uneventfully.

P52 5 is a billable code used to specify a medical diagnosis of subarachnoid nontraumatic hemorrhage of newborn.