Related Experiment Video
Updated: May 27, 2026

Endoscopic Approach for Colloid Cyst Resection
Published on: May 23, 2025
Atretic cephalocele - an uncommon cause of cystic scalp mass
Siong Lung Wong1, Huong Ling Law, Suzet Tan
1Faculty of Medicine and Health Sciences, Universiti Malaysia Sarawak, Lot 77, Seksyen 22, KTLD, Jalan Tun Ahmad Zaidi Adruce, 93150 Kuching, Sarawak, Malaysia.
Insights
Atretic cephalocele, a rare condition, was diagnosed in a young girl with a growing scalp swelling. Imaging revealed a cyst connected to the subarachnoid space, confirming the diagnosis.
Area of Science:
- Neuroscience
- Developmental Biology
- Pediatric Radiology
Background:
- Atretic cephalocele is a rare congenital abnormality characterized by a defect in the skull with associated neural tissue malformation.
- Early diagnosis is crucial for appropriate management and to prevent potential complications.
Observation:
- A 6-year-old girl presented with a gradually enlarging midline parietal scalp swelling present since birth.
- Magnetic resonance imaging (MRI) was utilized to investigate the scalp swelling.
Findings:
- MRI revealed a cyst communicating with the subarachnoid space via a calvarial defect.
- Associated findings included a vertically oriented straight venous sinus and subependymal grey matter heterotopia.
- These imaging features are classical for atretic cephalocele.
Implications:
- This case highlights the importance of advanced imaging in diagnosing rare congenital skull and brain malformations.
- Understanding the imaging characteristics of atretic cephalocele is vital for pediatric neurosurgeons and radiologists.
- Accurate diagnosis facilitates timely intervention and management planning for affected children.
Abstract:
A 6 year-old girl presented with a midline parietal scalp swelling that had been gradually enlarging since birth. Magnetic resonance imaging revealed communication of the cyst with the subarachnoid space through a calvarial defect, with concomitant findings of vertically positioned straight venous sinus and subependymal grey matter heterotopia. A diagnosis of atretic cephalocele was thus made based on these classical imaging findings.
Related Concept Videos
Brain Abscess l: Introduction
Cerebral Edema ll: Pathophysiology
Cerebral Edema l: Introduction
Increased Intracranial Pressure l: Introduction
Cytotoxic Edema: Pathophysiology
Increased Intracranial Pressure ll: Pathophysiology

