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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Synonyms
- Ectodermal inclusion cyst
- "Pearly" tumor
Definitions
- Intracranial epidermoids are congenital inclusion cysts (not "tumors")
- Benign, slow-growing congenital lesions derived from ectodermal remnants sequestrated during embryogenesis
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Angiographic Findings
Nonvascular Interventions
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
- Pons Escoda A et al: Imaging of skull vault tumors in adults. Insights Imaging. 11(1):23, 2020
- Bobeff EJ et al: Suprasellar Epidermoid Cyst: Case Report of Extended Endoscopic Transsphenoidal Resection and Systematic Review of the Literature. World Neurosurg. 128:514-26, 2019
- Hitti FL et al: Endoscopic Resection of a Cerebellopontine Angle Epidermoid Cyst via a Retrosigmoid Approach. J Neurol Surg B Skull Base. 80(Suppl 3):S330, 2019
- Ma J et al: Primary intradiploic epidermoid cyst: a case report with literature review. Clin Neuropathol. 38(1):28-32, 2019
- Badat N et al: Malignant transformation of epidermoid cyst with diffuse leptomeningeal carcinomatosis on skull base and trigeminal perineural spread. J Neuroradiol. 45(5):337-40, 2018
- Gollapudi PR et al: A frontal giant intradiploic giant pearl (epidermoid cyst) with intracranial and extracranial extension: a rare entity. J Pediatr Neurosci. 13(4):480-2, 2018
- Twede JV et al: Intraosseous epidermoid cyst of the skull: case study and radiological imaging considerations. Dermatol Online J. 24(7), 2018
- Vaz-Guimaraes F et al: Endoscopic endonasal surgery for epidermoid and dermoid cysts: a 10-year experience. J Neurosurg. 1-11, 2018
- Aboud E et al: Giant intracranial epidermoids: is total removal feasible? J Neurosurg. 1-14, 2015
- Law EK et al: Atypical intracranial epidermoid cysts: rare anomalies with unique radiological features. Case Rep Radiol. 2015:528632, 2015
- Demir MK et al: Rare and challenging extra-axial brain lesions: CT and MRI findings with clinico-radiological differential diagnosis and pathological correlation. Diagn Interv Radiol. 20(5):448-52, 2014
- Vellutini EA et al: Malignant transformation of intracranial epidermoid cyst. Br J Neurosurg. 28(4):507-9, 2014
- Velamati R et al: Meningitis secondary to ruptured epidermoid cyst: case-based review. Pediatr Ann. 42(6):248-51, 2013
- Ren X et al: Clinical, radiological, and pathological features of 24 atypical intracranial epidermoid cysts. J Neurosurg. 116(3):611-21, 2012
- Li F et al: Hyperdense intracranial epidermoid cysts: a study of 15 cases. Acta Neurochir (Wien). 149(1):31-9; discussion 39, 2007
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Synonyms
- Ectodermal inclusion cyst
- "Pearly" tumor
Definitions
- Intracranial epidermoids are congenital inclusion cysts (not "tumors")
- Benign, slow-growing congenital lesions derived from ectodermal remnants sequestrated during embryogenesis
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Angiographic Findings
Nonvascular Interventions
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
- Pons Escoda A et al: Imaging of skull vault tumors in adults. Insights Imaging. 11(1):23, 2020
- Bobeff EJ et al: Suprasellar Epidermoid Cyst: Case Report of Extended Endoscopic Transsphenoidal Resection and Systematic Review of the Literature. World Neurosurg. 128:514-26, 2019
- Hitti FL et al: Endoscopic Resection of a Cerebellopontine Angle Epidermoid Cyst via a Retrosigmoid Approach. J Neurol Surg B Skull Base. 80(Suppl 3):S330, 2019
- Ma J et al: Primary intradiploic epidermoid cyst: a case report with literature review. Clin Neuropathol. 38(1):28-32, 2019
- Badat N et al: Malignant transformation of epidermoid cyst with diffuse leptomeningeal carcinomatosis on skull base and trigeminal perineural spread. J Neuroradiol. 45(5):337-40, 2018
- Gollapudi PR et al: A frontal giant intradiploic giant pearl (epidermoid cyst) with intracranial and extracranial extension: a rare entity. J Pediatr Neurosci. 13(4):480-2, 2018
- Twede JV et al: Intraosseous epidermoid cyst of the skull: case study and radiological imaging considerations. Dermatol Online J. 24(7), 2018
- Vaz-Guimaraes F et al: Endoscopic endonasal surgery for epidermoid and dermoid cysts: a 10-year experience. J Neurosurg. 1-11, 2018
- Aboud E et al: Giant intracranial epidermoids: is total removal feasible? J Neurosurg. 1-14, 2015
- Law EK et al: Atypical intracranial epidermoid cysts: rare anomalies with unique radiological features. Case Rep Radiol. 2015:528632, 2015
- Demir MK et al: Rare and challenging extra-axial brain lesions: CT and MRI findings with clinico-radiological differential diagnosis and pathological correlation. Diagn Interv Radiol. 20(5):448-52, 2014
- Vellutini EA et al: Malignant transformation of intracranial epidermoid cyst. Br J Neurosurg. 28(4):507-9, 2014
- Velamati R et al: Meningitis secondary to ruptured epidermoid cyst: case-based review. Pediatr Ann. 42(6):248-51, 2013
- Ren X et al: Clinical, radiological, and pathological features of 24 atypical intracranial epidermoid cysts. J Neurosurg. 116(3):611-21, 2012
- Li F et al: Hyperdense intracranial epidermoid cysts: a study of 15 cases. Acta Neurochir (Wien). 149(1):31-9; discussion 39, 2007
