CNS lipomas are congenital malformations, not true neoplasms
Lipoma variants in CNS include angiolipoma, hibernoma, osteolipoma
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Ultrasonographic Findings
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
Uysal E et al: Internal auditory canal lipoma: an unusual intracranial lesion. World Neurosurg. 135:156-9, 2020
Erbay MF et al: A pericallosal lipoma case with abnormal vasculature mimicking arteriovenous malformation. Neurol India. 67(5):1331-3, 2019
Atallah A et al: Limitations and pitfalls in prenatal diagnosis of pericallosal curvilinear lipoma based on a specific imaging pattern. Ultrasound Obstet Gynecol. 51(2):269-73, 2018
Chougar L et al: Variability of T1-weighted signal intensity of pericallosal lipomas in the fetus. Pediatr Radiol. 48(3):383-91, 2018
Geraldo AF et al: Posterior fossa lipoma without T1 hyperintensity in foetal magnetic resonance imaging performed in the third trimester. Pediatr Radiol. 48(8):1178-9, 2018
Maher CO et al: Incidental findings on brain and spine imaging in children. Pediatrics. 135(4):e1084-96, 2015
Bacciu A et al: Lipomas of the internal auditory canal and cerebellopontine angle. Ann Otol Rhinol Laryngol. 123(1):58-64, 2014
Mashiko R et al: Quadrigeminal cistern lipoma mimicking intracranial air. BMJ Case Rep. 2014
Gossner J: Small intracranial lipomas may be a frequent finding on computed tomography of the brain. A case series. Neuroradiol J. 26(1):27-9, 2013
Nanni M et al: Prenatal and postnatal imaging of multiple intracranial lipomas: report of a case. Fetal Diagn Ther. 30(2):160-2, 2011
Jabot G et al: Intracranial lipomas: clinical appearances on neuroimaging and clinical significance. J Neurol. 256(6):851-5, 2009
Moog U: Encephalocraniocutaneous lipomatosis. J Med Genet. 46(11):721-9, 2009
Kemmling A et al: A diagnostic pitfall for intracranial aneurysms in time-of-flight MR angiography: small intracranial lipomas. AJR Am J Roentgenol. 190(1):W62-7, 2008
Loddenkemper T et al: Intracranial lipomas and epilepsy. J Neurol. 253(5):590-3, 2006
Yildiz H et al: Intracranial lipomas: importance of localization. Neuroradiology. 48(1):1-7, 2006
Gaskin CM et al: Lipomas, lipoma variants, and well-differentiated liposarcomas (atypical lipomas): results of MRI evaluations of 126 consecutive fatty masses. AJR Am J Roentgenol. 182(3):733-9, 2004
Kurt G et al: Hypothalamic lipoma adjacent to mamillary bodies. Childs Nerv Syst. 18(12):732-4, 2002
Tankéré F et al: Cerebellopontine angle lipomas: report of four cases and review of the literature. Neurosurgery. 50(3):626-31; discussion 631-2, 2002
Feldman RP et al: Intracranial lipoma of the sylvian fissure. Case report and review of the literature. J Neurosurg. 94(3):515-9, 2001
Ickowitz V et al: Prenatal diagnosis and postnatal follow-up of pericallosal lipoma: report of seven new cases. AJNR Am J Neuroradiol. 22(4):767-72, 2001
Amor DJ et al: Encephalocraniocutaneous lipomatosis (Fishman syndrome): a rare neurocutaneous syndrome. J Paediatr Child Health. 36(6):603-5, 2000
Kieslich M et al: Midline developmental anomalies with lipomas in the corpus callosum region. J Child Neurol. 15(2):85-9, 2000
Related Anatomy
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
Abbreviations
Intracranial lipoma (ICL)
Synonyms
Lipomatous hamartoma
Definitions
Mass of mature nonneoplastic adipose tissue
CNS lipomas are congenital malformations, not true neoplasms
Lipoma variants in CNS include angiolipoma, hibernoma, osteolipoma
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Ultrasonographic Findings
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
Uysal E et al: Internal auditory canal lipoma: an unusual intracranial lesion. World Neurosurg. 135:156-9, 2020
Erbay MF et al: A pericallosal lipoma case with abnormal vasculature mimicking arteriovenous malformation. Neurol India. 67(5):1331-3, 2019
Atallah A et al: Limitations and pitfalls in prenatal diagnosis of pericallosal curvilinear lipoma based on a specific imaging pattern. Ultrasound Obstet Gynecol. 51(2):269-73, 2018
Chougar L et al: Variability of T1-weighted signal intensity of pericallosal lipomas in the fetus. Pediatr Radiol. 48(3):383-91, 2018
Geraldo AF et al: Posterior fossa lipoma without T1 hyperintensity in foetal magnetic resonance imaging performed in the third trimester. Pediatr Radiol. 48(8):1178-9, 2018
Maher CO et al: Incidental findings on brain and spine imaging in children. Pediatrics. 135(4):e1084-96, 2015
Bacciu A et al: Lipomas of the internal auditory canal and cerebellopontine angle. Ann Otol Rhinol Laryngol. 123(1):58-64, 2014
Mashiko R et al: Quadrigeminal cistern lipoma mimicking intracranial air. BMJ Case Rep. 2014
Gossner J: Small intracranial lipomas may be a frequent finding on computed tomography of the brain. A case series. Neuroradiol J. 26(1):27-9, 2013
Nanni M et al: Prenatal and postnatal imaging of multiple intracranial lipomas: report of a case. Fetal Diagn Ther. 30(2):160-2, 2011
Jabot G et al: Intracranial lipomas: clinical appearances on neuroimaging and clinical significance. J Neurol. 256(6):851-5, 2009
Moog U: Encephalocraniocutaneous lipomatosis. J Med Genet. 46(11):721-9, 2009
Kemmling A et al: A diagnostic pitfall for intracranial aneurysms in time-of-flight MR angiography: small intracranial lipomas. AJR Am J Roentgenol. 190(1):W62-7, 2008
Loddenkemper T et al: Intracranial lipomas and epilepsy. J Neurol. 253(5):590-3, 2006
Yildiz H et al: Intracranial lipomas: importance of localization. Neuroradiology. 48(1):1-7, 2006
Gaskin CM et al: Lipomas, lipoma variants, and well-differentiated liposarcomas (atypical lipomas): results of MRI evaluations of 126 consecutive fatty masses. AJR Am J Roentgenol. 182(3):733-9, 2004
Kurt G et al: Hypothalamic lipoma adjacent to mamillary bodies. Childs Nerv Syst. 18(12):732-4, 2002
Tankéré F et al: Cerebellopontine angle lipomas: report of four cases and review of the literature. Neurosurgery. 50(3):626-31; discussion 631-2, 2002
Feldman RP et al: Intracranial lipoma of the sylvian fissure. Case report and review of the literature. J Neurosurg. 94(3):515-9, 2001
Ickowitz V et al: Prenatal diagnosis and postnatal follow-up of pericallosal lipoma: report of seven new cases. AJNR Am J Neuroradiol. 22(4):767-72, 2001
Amor DJ et al: Encephalocraniocutaneous lipomatosis (Fishman syndrome): a rare neurocutaneous syndrome. J Paediatr Child Health. 36(6):603-5, 2000
Kieslich M et al: Midline developmental anomalies with lipomas in the corpus callosum region. J Child Neurol. 15(2):85-9, 2000
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