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Brain Tumor, Epidermoid

Reviewed 06/2018
 


BASICS

DESCRIPTION

  • Epidermoid tumors are benign, congenital cysts that occur intradurally and extradurally. They are slow-growing and produce symptoms gradually.

  • Also called epidermoid cysts, primary ch...

DIAGNOSIS

HISTORY

  • History typically reveals several months to several years of progressive neurologic symptoms.

  • Nonspecific symptoms can be due to mass effect: headache (most common), seizure, paresthes...

TREATMENT

No specific medical treatment; may require symptomatic treatment for headache or seizure 

ADDITIONAL THERAPIES

Generally not indicated except in rare instances of malignant transformation. Com...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Follow-up with neurosurgery after hospital discharge 

Patient Monitoring

  • Radiologic follow-up with MRI (preferred) or CT in intervals of 1 to 2 years after surgical...

REFERENCES

1
Bonneville F, Sarrazin JL, Marsot-Dupuch K, et al. Unusual lesions of the cerebellopontine angle: a segmental approach. Radiographics.  2001;21(2):419–438. {L-End} [View Abstract on ...

ADDITIONAL READING

  • Samii M, Tatagiba M, Piquer J, et al. Surgical treatment of epidermoid cysts of the cerebellopontine angle. J Neurosurg.  1996;84(1):14–19.

  • The Epidermoid Brain Tumor Community....

CODES

ICD10

Q04.6 Congenital cerebral cysts 

ICD9

742.4 Other specified congenital anomalies of brain 

SNOMED

  • 276837006 Epidermoid cyst of brain

  • 19276002 congenital cerebral cyst (disorder)

CLINICAL PEARLS

  • Epidermoid tumors are rare intracranial cysts that are generally benign and slow-growing.

  • Symptoms are due to mass effect and compression of surrounding structures.

  • Epidermoid tumors are...

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