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Hypertension-induced cerebellar encephalopathy and hydrocephalus in a male
Kuang-Lin Lin1, Wen-Chin Hsu, Huei-Shyong Wang
1Division of Pediatric Neurology, Chang Gung Children's Hospital, Chang Gung University Medical College, Taoyuan, Taiwan.
Insights
Hypertensive encephalopathy, a rare condition in children, can cause severe neurological issues due to sudden high blood pressure. Prompt treatment can reverse associated cerebellar lesions and hydrocephalus, preventing misdiagnosis as a tumor.
Area of Science:
- Neurology
- Pediatrics
- Nephrology
Background:
- Hypertensive encephalopathy (HE) is a neurological emergency caused by a rapid increase in systemic blood pressure.
- It is uncommon in pediatric populations and can lead to severe, irreversible neurological damage if not promptly diagnosed and managed.
Observation:
- This case report details an 11-year-old male presenting with symptoms suggestive of a posterior fossa mass.
- The patient exhibited cerebral edema and a cerebellar lesion, complicated by acute obstructive hydrocephalus.
- These findings were attributed to hypertensive encephalopathy.
Findings:
- The cerebellar lesion and obstructive hydrocephalus were successfully managed with cerebrospinal fluid diversion (shunt insertion) and strict blood pressure control.
- Resolution of the hydrocephalus and cerebellar swelling was observed following blood pressure normalization.
- The cerebellar lesion, initially suspected to be a glioma, demonstrated reversibility.
Implications:
- This case highlights the rare but reversible presentation of cerebellar lesions and hydrocephalus secondary to hypertensive encephalopathy in children.
- It underscores the importance of considering hypertensive encephalopathy in the differential diagnosis of pediatric posterior fossa lesions, especially when accompanied by hydrocephalus.
- Early recognition and management of elevated blood pressure are crucial to prevent misdiagnosis and ensure favorable outcomes, avoiding unnecessary oncological interventions.
Abstract:
Hypertensive encephalopathy is believed to be caused by an abrupt elevation in systemic blood pressure. It rarely occurs in children and can be neurologically devastating if it is not recognized and treated immediately. This report describes an 11-year-old male who presented with edema and a cerebellar lesion, with acute obstructive hydrocephalus resulting from hypertensive encephalopathy. A shunt was inserted to relieve pressure in the acute stage. The patient's hydrocephalus and cerebellar swelling subsided when his blood pressure was controlled. The cerebellar lesion had been initially diagnosed as a glioma. In children, a cerebellar lesion occurring with acute obstructive hydrocephalus and hypertensive encephalopathy is rare but reversible. Clinicians should be aware of this condition because it might be misdiagnosed as a tumor of the posterior fossa.
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