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Thomas Kau, MD; Herwig Scharfegger, MD; Johann Gasser, MD; Klaus A. Hausegger, MD

Arch Neurol. 2007;64(7):1048-1049.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

A true meningocele represents 1 type of neural tube defect that is caused by failure of the surface ectoderm to separate from the neuroectoderm early in embryonic development. This results in a bony defect of the skull, allowing herniation of the meninges (meningocele) and brain tissue (encephalocele). Meningoencephaloceles, however, rarely occur at the anterior fontanelle.¹ Sporadic reports exist on leptomeningeal cysts due to vacuum extraction, which are predominantly located over the anterior fontanelle.²

Most true meningo(encephalo)celes are currently diagnosed by antenatal ultrasonographic scanning. Postnatally, a potential pitfall is to misdiagnose a meningo(encephalo)cele or pseudomeningocele as a caput succedaneum, which is relatively common at birth and has a benign prognosis.³ Magnetic resonance imaging has been reported to clearly depict spinal pseudomeningoceles in infants.⁴

We describe an unusual combination of a high frontal pseudomeningocele and a brain tissue defect . . . [Full Text of this Article]

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