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Published on: February 29, 2020
[An intradiploic epidermoid cyst of the skull in infancy: case report]
Taiichi Saito1, Kiyoshi Yuki, Yoshinori Kaziwara
1Department of Neurosurgery, Hiroshima National Hospital, Hiroshima University, Hiroshima, Japan.
Insights
A rare intradiploic epidermoid cyst in an infant
Area of Science:
- Pediatric Neurosurgery
- Dermatopathology
- Radiology
Background:
- Intradiploic epidermoid cysts are uncommon skull lesions in infants.
- Early diagnosis and management are crucial for favorable outcomes.
Observation:
- A 7-month-old girl presented with a 1.5 cm scalp lump.
- Initial suspicion of Langerhans cell histiocytosis (LCH) was ruled out by systemic tests.
- Radiological imaging revealed a lytic lesion in the left parietal bone.
Findings:
- CT scans indicated an intradiploic mass with outer table erosion.
- Histological examination confirmed an epidermoid cyst after surgical excision.
- The lesion demonstrated progressive enlargement.
Implications:
- This case highlights the importance of considering epidermoid cysts in the differential diagnosis of infantile scalp masses.
- Prompt neurosurgical intervention is necessary for definitive diagnosis and treatment.
- Understanding the clinical presentation and imaging features aids in managing these rare pediatric skull tumors.
Abstract:
An intradiploic epidermoid cyst of the skull in infancy is rare. We report a case of a 7-month-old girl with an intradiploic epidermoid cyst of the left parietal bone. The patient was admitted to the department of pediatrics in, our hospital in March, 2000, complaining of a lump in the scalp with a diameter of 1.5 cm. The pediatrician doubted that it was a case of Langerhans cell histiocytosis (LCH). In addition, as a result of further tests there were no systemic findings to suggest LCH. The skull x-ray showed round radiolucency of the left parietal bone. CT scans showed an iso density intradiploic mass with destruction of the outer table. Because of the fact that the mass was enlarging, the patient was admitted to our neurosurgical service in April, 2000. We excised the lesion to confirm the histological findings. The histological diagnosis was epidermoid cyst. We discuss the clinical feature and treatment strategy for intradiploic epidermoid cyst in infancy.
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