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TWO CASES OF FAMILIAL "FORAMINA PARIETALIA PERMAGNA" Osamu OKUDA 1 , Hiroshi IKUTOMI 1 1Dept. of Neuropsychiatry, Osaka City University Medical School pp.1255-1259
Published Date 1965/12/1
DOI https://doi.org/10.11477/mf.1406201962
  • Abstract
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Two cases of Foramina Parietalia Permagna after Pamperl, i. e. bilateral enlarged parietal foramen at the upper angles of the parietal bones were reported. The first case is 39 years old who have suffered from spinal ataxia, and the second case is her 11 years old apparently healthy daughter.

These defects were symmetrically located on each side of the posterior one-third of the sagittal suture on the parietal bone and irregularly shaped with well defined margins, having the diameter of about 1×2 cm in the first case and of about 2.5×3 cm in the second.

The location of these abnormal foramen of the parietal bone exactly corresponds to that of the parie-tal foramen which, during the course of the postnatal development, provides a pin-hole opening for the pas-sage of the parietal emissary vein. Thus, it is conceiv-able that these defects of the parietal bone might be resulted from the abnormal processes of the ossifica-tion, and not related to any disease which causes the thinning of the skull.

Familial occurrence of the cases reported here strong-ly suggests that the hereditary factor might play an important role for the causation of this anomaly. Aetiology of the spinal ataxia seen in the first case is suspected to be due to the systematic degenerative processes. However, the causal relationship between the condition and the anomaly of the skull is un-known.


Copyright © 1965, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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