Bookmarks
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Synonyms
- Epidermoid tumor
Definitions
- Benign, nonneoplastic spinal mass composed of cells embryologically derived from epidermal (skin) elements
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Ultrasonographic 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
- Dodson V et al: Epidermoid cyst of the lumbar spine after lumbar puncture: a clinical, radiographic, and pathologic correlation. World Neurosurg. 137:363-6, 2020
- Maeda T et al: An epidermoid cyst of the thoracic spine in an elderly patient. World Neurosurg. 127:113-6, 2019
- Beechar VB et al: Spinal epidermoid tumors: case report and review of the literature. Neurospine. 15(2):117-22, 2018
- Funao H et al: A rare case of intradural and extramedullary epidermoid cyst after repetitive epidural anesthesia: case report and review of the literature. World J Surg Oncol. 15(1):131, 2017
- Park MH et al: Iatrogenic intraspinal epidermoid cyst. Korean J Spine. 11(3):195-7, 2014
- Yin H et al: Surgery and outcomes of six patients with intradural epidermoid cysts in the lumbar spine. World J Surg Oncol. 12(1):50, 2014
- Velamati R et al: Meningitis secondary to ruptured epidermoid cyst: case-based review. Pediatr Ann. 42(6):248-51, 2013
- Morita M et al: Intraspinal epidermoid tumor of the cauda equina region: seven cases and a review of the literature. J Spinal Disord Tech. 25(5):292-8, 2012
- Gonzalvo A et al: Intramedullary spinal epidermoid cyst of the upper thoracic region. J Clin Neurosci. 16(1):142-4, 2009
- Bernard PA: Lumbar punctures: always use a stylette. J Child Neurol. 23(8):969; author reply 969, 2008
- Danzer E et al: Intradural inclusion cysts following in utero closure of myelomeningocele: clinical implications and follow-up findings. J Neurosurg Pediatr. 2(6):406-13, 2008
- Manara R et al: Chronic cystic lesion of the sacrum: characterisation with diffusion-weighted MR imaging. Radiol Med. 113(5):739-46, 2008
- Piana G et al: Epidermoid-cyst of the conus medullaris: usefulness of DWI. J Neuroradiol. 35(5):304-5, 2008
- Tekkök IH: Intramedullary epidermoid cysts. J Neurosurg Spine. 8(2):202-3; author reply 203, 2008
- Yen CP et al: Epidermoid cysts associated with thoracic meningocele. Acta Neurochir (Wien). 150(3):305-8; discussion 308-9, 2008
- Gao B et al: Mollaret meningitis associated with an intraspinal epidermoid cyst. Pediatrics. 120(1):e220-4, 2007
- Gerlach R et al: Large intramedullary abscess of the spinal cord associated with an epidermoid cyst without dermal sinus. Case report. J Neurosurg Spine. 7(3):357-61, 2007
- Kukreja K et al: Differentiation between pediatric spinal arachnoid and epidermoid-dermoid cysts: is diffusion-weighted MRI useful? Pediatr Radiol. 37(6):556-60, 2007
- Ogden AT et al: Intramedullary inclusion cysts of the cervicothoracic junction. Report of two cases in adults and review of the literature. J Neurosurg Spine. 7(2):236-42, 2007
- Per H et al: Iatrogenic epidermoid tumor: late complication of lumbar puncture. J Child Neurol. 22(3):332-6, 2007
- Rajpal S et al: Tethering tracts in spina bifida occulta: revisiting an established nomenclature. J Neurosurg Spine. 7(3):315-22, 2007
- Refai D et al: Iatrogenic intradural epidermoid cyst after lumbar puncture. Case illustration. J Neurosurg. 106(4 Suppl):322, 2007
- Jeong IH et al: Iatrogenic intraspinal epidermoid tumor: case report. Pediatr Neurosurg. 42(6):395-8, 2006
- Tang L et al: Diffusion-weighted imaging distinguishes recurrent epidermoid neoplasm from postoperative arachnoid cyst in the lumbosacral spine. J Comput Assist Tomogr. 30(3):507-9, 2006
- Lai SW et al: MRI of epidermoid cyst of the conus medullaris. Spinal Cord. 43(5):320-3, 2005
- Bretz A et al: Intraspinal epidermoid cyst successfully treated with radiotherapy: case report. Neurosurgery. 53(6):1429-31; discussion 1431-2, 2003
- Park JC et al: Iatrogenic spinal epidermoid tumor. A complication of spinal puncture in an adult. Clin Neurol Neurosurg. 105(4):281-5, 2003
- Amato VG et al: Intramedullary epidermoid cyst: preoperative diagnosis and surgical management after MRI introduction. Case report and updating of the literature. J Neurosurg Sci. 46(3-4):122-6, 2002
- Avellino AM et al: FLAIR magnetic resonance image of a pediatric spinal epidermoid cyst. Pediatr Neurosurg. 36(4):220-2, 2002
- Avellino AM et al: Diffusion-weighted magnetic resonance image of a pediatric spinal epidermoid cyst. Pediatr Neurosurg. 34(6):325-6, 2001
- Teksam M et al: Intraspinal epidermoid cyst: diffusion-weighted MRI. Neuroradiology. 43(7):572-4, 2001
- Song JH et al: Intraspinal epidermoid cyst occurring 15 years after lipomyelomeningocele repair. Case report. J Neurosurg. 90(2 Suppl):252-4, 1999
- Potgieter S et al: Epidermoid tumours associated with lumbar punctures performed in early neonatal life. Dev Med Child Neurol. 40(4):266-9, 1998
- Debray MP et al: Epidermoid cyst of the conus medullaris: atypical MRI and angiographic features. Neuroradiology. 38(6):526-8, 1996
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Synonyms
- Epidermoid tumor
Definitions
- Benign, nonneoplastic spinal mass composed of cells embryologically derived from epidermal (skin) elements
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Ultrasonographic 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
- Dodson V et al: Epidermoid cyst of the lumbar spine after lumbar puncture: a clinical, radiographic, and pathologic correlation. World Neurosurg. 137:363-6, 2020
- Maeda T et al: An epidermoid cyst of the thoracic spine in an elderly patient. World Neurosurg. 127:113-6, 2019
- Beechar VB et al: Spinal epidermoid tumors: case report and review of the literature. Neurospine. 15(2):117-22, 2018
- Funao H et al: A rare case of intradural and extramedullary epidermoid cyst after repetitive epidural anesthesia: case report and review of the literature. World J Surg Oncol. 15(1):131, 2017
- Park MH et al: Iatrogenic intraspinal epidermoid cyst. Korean J Spine. 11(3):195-7, 2014
- Yin H et al: Surgery and outcomes of six patients with intradural epidermoid cysts in the lumbar spine. World J Surg Oncol. 12(1):50, 2014
- Velamati R et al: Meningitis secondary to ruptured epidermoid cyst: case-based review. Pediatr Ann. 42(6):248-51, 2013
- Morita M et al: Intraspinal epidermoid tumor of the cauda equina region: seven cases and a review of the literature. J Spinal Disord Tech. 25(5):292-8, 2012
- Gonzalvo A et al: Intramedullary spinal epidermoid cyst of the upper thoracic region. J Clin Neurosci. 16(1):142-4, 2009
- Bernard PA: Lumbar punctures: always use a stylette. J Child Neurol. 23(8):969; author reply 969, 2008
- Danzer E et al: Intradural inclusion cysts following in utero closure of myelomeningocele: clinical implications and follow-up findings. J Neurosurg Pediatr. 2(6):406-13, 2008
- Manara R et al: Chronic cystic lesion of the sacrum: characterisation with diffusion-weighted MR imaging. Radiol Med. 113(5):739-46, 2008
- Piana G et al: Epidermoid-cyst of the conus medullaris: usefulness of DWI. J Neuroradiol. 35(5):304-5, 2008
- Tekkök IH: Intramedullary epidermoid cysts. J Neurosurg Spine. 8(2):202-3; author reply 203, 2008
- Yen CP et al: Epidermoid cysts associated with thoracic meningocele. Acta Neurochir (Wien). 150(3):305-8; discussion 308-9, 2008
- Gao B et al: Mollaret meningitis associated with an intraspinal epidermoid cyst. Pediatrics. 120(1):e220-4, 2007
- Gerlach R et al: Large intramedullary abscess of the spinal cord associated with an epidermoid cyst without dermal sinus. Case report. J Neurosurg Spine. 7(3):357-61, 2007
- Kukreja K et al: Differentiation between pediatric spinal arachnoid and epidermoid-dermoid cysts: is diffusion-weighted MRI useful? Pediatr Radiol. 37(6):556-60, 2007
- Ogden AT et al: Intramedullary inclusion cysts of the cervicothoracic junction. Report of two cases in adults and review of the literature. J Neurosurg Spine. 7(2):236-42, 2007
- Per H et al: Iatrogenic epidermoid tumor: late complication of lumbar puncture. J Child Neurol. 22(3):332-6, 2007
- Rajpal S et al: Tethering tracts in spina bifida occulta: revisiting an established nomenclature. J Neurosurg Spine. 7(3):315-22, 2007
- Refai D et al: Iatrogenic intradural epidermoid cyst after lumbar puncture. Case illustration. J Neurosurg. 106(4 Suppl):322, 2007
- Jeong IH et al: Iatrogenic intraspinal epidermoid tumor: case report. Pediatr Neurosurg. 42(6):395-8, 2006
- Tang L et al: Diffusion-weighted imaging distinguishes recurrent epidermoid neoplasm from postoperative arachnoid cyst in the lumbosacral spine. J Comput Assist Tomogr. 30(3):507-9, 2006
- Lai SW et al: MRI of epidermoid cyst of the conus medullaris. Spinal Cord. 43(5):320-3, 2005
- Bretz A et al: Intraspinal epidermoid cyst successfully treated with radiotherapy: case report. Neurosurgery. 53(6):1429-31; discussion 1431-2, 2003
- Park JC et al: Iatrogenic spinal epidermoid tumor. A complication of spinal puncture in an adult. Clin Neurol Neurosurg. 105(4):281-5, 2003
- Amato VG et al: Intramedullary epidermoid cyst: preoperative diagnosis and surgical management after MRI introduction. Case report and updating of the literature. J Neurosurg Sci. 46(3-4):122-6, 2002
- Avellino AM et al: FLAIR magnetic resonance image of a pediatric spinal epidermoid cyst. Pediatr Neurosurg. 36(4):220-2, 2002
- Avellino AM et al: Diffusion-weighted magnetic resonance image of a pediatric spinal epidermoid cyst. Pediatr Neurosurg. 34(6):325-6, 2001
- Teksam M et al: Intraspinal epidermoid cyst: diffusion-weighted MRI. Neuroradiology. 43(7):572-4, 2001
- Song JH et al: Intraspinal epidermoid cyst occurring 15 years after lipomyelomeningocele repair. Case report. J Neurosurg. 90(2 Suppl):252-4, 1999
- Potgieter S et al: Epidermoid tumours associated with lumbar punctures performed in early neonatal life. Dev Med Child Neurol. 40(4):266-9, 1998
- Debray MP et al: Epidermoid cyst of the conus medullaris: atypical MRI and angiographic features. Neuroradiology. 38(6):526-8, 1996
