Subdural hygroma after spontaneous rupture of an arachnoid cyst in a pediatric patient: A case report

Subdural hygroma after spontaneous rupture of an arachnoid cyst in a pediatric patient: A case report

Blog Article

Arachnoid cysts are benign masses that represent a relatively small Pulley percentage of intracranial lesions.Spontaneous rupture of an arachnoid cyst resulting in a subdural hygroma is a very rare event.We report a case of a pediatric patient with a history of an arachnoid cyst and chronic headaches presenting with bilateral papilledema, worsening headaches, and no history of head trauma.Magnetic resonance imaging of the brain revealed an extra-axial cystic lesion in the right middle cranial fossa, similar to an arachnoid cyst seen on previous imaging.

A new right subdural collection similar to the cerebral spinal fluid signal causing mass effect Vitamin C on brain parenchyma was determined to represent a subdural hygroma.Craniotomy was performed to evacuate the subdural hygroma as well as cyst fenestration.We report this case to emphasize the importance of considering spontaneous rupture of an arachnoid cyst as a differential diagnosis despite absence of head trauma.