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Timothy C. Hain, MD.
Page last modified:
January 24, 2010
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| Axial view | Coronal View |
CSP is a nomral anatomical variant which is usually asymptomatic. It is present in all premature infants, and only 12-15% of six month olds. Incidental (asymptomatic) cava are seen in about 1% of cranial CT scans. (Bogdanoff and Natter, 1989).
The septum pellucidum extends between the anterior portion of the corpus callosum and the body of the fornix. Many symptoms and disease have been attributed to cysts of the septum pellucidum (as shown above), but CSP is such a common finding that these associations are questioned. Examples of supposed consequences are mental disturbances, ataxia, disordered speech, epilepsy, and bilateral Babinski signs.(Wilder, 1938)
Some cases have been reported with postural symptoms, including dizziness on lying supine or loss of consciousness when bending forward (Silbert et al, 1993).
Cysts can be treated by surgery including sterotactic puncture, fenestration, and shunting. (Silbert et al, 1993)
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