Positional Headache Associated With a Dilated Cyst of the Septum Pellucidum
Source: Military Medicine, Volume 176, Number 10, October 2011 , pp. 1202-1203(2)
Objective: A cavum septum pellucidum is an anatomical variant that is usually considered an incidental finding of little clinical significance. This is a fluid-containing structure between the lateral ventricles whose walls exhibit lateral bowing and are 10-mm apart or greater. It has been hypothesized that enlarged cysts of this type may cause hydrocephalus and resultant headache (HA), but there have been very few reports in the literature and even fewer reports of successful treatments. Methods: We describe a patient with subacute onset of positional HA who was found to have a large dilated cavum cyst on magnetic resonance imaging. Results: The patient underwent endoscopic fenestration of the cyst, which eradicated his HAs. Conclusions: We hypothesize that this patient’s large cavum septum pellucidum cyst was causing intermittent, positional hydrocephalus and thus HAs. This is a very unusual but highly treatable cause of positional HA that could be overlooked easily.
Document Type: Research Article
Affiliations: 1: Neurosciences Critical Care Division, Johns Hopkins University School of Medicine, 600 N Wolfe Street., Meyer 8-140, Baltimore, MD 21287. 2: Department of Neurology, Walter Reed Army Medical Center, 6900 Georgia Avenue NW, Bldg 2, Wd 61, Washington, DC 20307.
Publication date: October 2011
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Military Medicine is the Association's official monthly journal. The objective of the Journal is to promote awareness of Federal medicine by providing a forum for responsible discussion of common ideas and problems relevant to Federal healthcare. Its mission is: To increase healthcare education by providing scientific and other information to its readers; to facilitate communication; and to offer a prestige publication for members' writings.
Military Medicine's 5-year Impact Factor: 1.061
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