Visible CSF space between leaves of cavum septi pellucidi (CSP); additional posterior continuation = CV
Referred to as septum pellucidum (SP) when/if leaves of CSP fuse to form single structure
IMAGING
General Features
CT Findings
MR Findings
Ultrasonographic Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Staging, Grading, & Classification
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Image Interpretation Pearls
Selected References
Kertes I et al: The normal fetal cavum septum pellucidum in MR imaging - new biometric data. Eur J Radiol. 135:109470, 2021
Nagaraj UD et al: Abnormalities associated with the cavum septi pellucidi on fetal MRI: what radiologists need to know. AJR Am J Roentgenol. 210(5):989-97, 2018
Gardner RC et al: Cavum septum pellucidum in retired American pro-football players. J Neurotrauma. 33(1):157-61, 2016
Toivonen P et al: Cavum septum pellucidum and psychopathy. Br J Psychiatry. 203(2):152-3, 2013
Santo S et al: Counseling in fetal medicine: agenesis of the corpus callosum. Ultrasound Obstet Gynecol. 40(5):513-21, 2012
Winter TC et al: The cavum septi pellucidi: why is it important? J Ultrasound Med. 29(3):427-44, 2010
Callen PW et al: Columns of the fornix, not to be mistaken for the cavum septi pellucidi on prenatal sonography. J Ultrasound Med. 27(1):25-31, 2008
Takahashi T et al: Prevalence of large cavum septi pellucidi in ultra high-risk individuals and patients with psychotic disorders. Schizophr Res. 105(1-3):236-44, 2008
Needelman H et al: Postterm closure of the cavum septi pellucidi and developmental outcome in premature infants. J Child Neurol. 22(3):314-6, 2007
Epelman M et al: Differential diagnosis of intracranial cystic lesions at head US: correlation with CT and MR imaging. Radiographics. 26(1):173-96, 2006
Sencer A et al: Cerebrospinal fluid dynamics of the cava septi pellucidi and vergae. Case report. J Neurosurg. 94(1):127-9, 2001
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Abbreviations
Cavum septi pellucidi (CSP)
Cavum vergae (CV)
Definitions
Visible CSF space between leaves of cavum septi pellucidi (CSP); additional posterior continuation = CV
Referred to as septum pellucidum (SP) when/if leaves of CSP fuse to form single structure
IMAGING
General Features
CT Findings
MR Findings
Ultrasonographic Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Staging, Grading, & Classification
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Image Interpretation Pearls
Selected References
Kertes I et al: The normal fetal cavum septum pellucidum in MR imaging - new biometric data. Eur J Radiol. 135:109470, 2021
Nagaraj UD et al: Abnormalities associated with the cavum septi pellucidi on fetal MRI: what radiologists need to know. AJR Am J Roentgenol. 210(5):989-97, 2018
Gardner RC et al: Cavum septum pellucidum in retired American pro-football players. J Neurotrauma. 33(1):157-61, 2016
Toivonen P et al: Cavum septum pellucidum and psychopathy. Br J Psychiatry. 203(2):152-3, 2013
Santo S et al: Counseling in fetal medicine: agenesis of the corpus callosum. Ultrasound Obstet Gynecol. 40(5):513-21, 2012
Winter TC et al: The cavum septi pellucidi: why is it important? J Ultrasound Med. 29(3):427-44, 2010
Callen PW et al: Columns of the fornix, not to be mistaken for the cavum septi pellucidi on prenatal sonography. J Ultrasound Med. 27(1):25-31, 2008
Takahashi T et al: Prevalence of large cavum septi pellucidi in ultra high-risk individuals and patients with psychotic disorders. Schizophr Res. 105(1-3):236-44, 2008
Needelman H et al: Postterm closure of the cavum septi pellucidi and developmental outcome in premature infants. J Child Neurol. 22(3):314-6, 2007
Epelman M et al: Differential diagnosis of intracranial cystic lesions at head US: correlation with CT and MR imaging. Radiographics. 26(1):173-96, 2006
Sencer A et al: Cerebrospinal fluid dynamics of the cava septi pellucidi and vergae. Case report. J Neurosurg. 94(1):127-9, 2001
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