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Abstract
Cerebral infarction is a rare pathology among children and its etiology can be identified
in almost two-thirds of cases. The remaining one-third are considered idiopathic.
Recently, inherited disorders of blood coagulation predisposing to thrombosis have
been taken into account as a possible cause of childhood stroke. We describe here
a case of a 6-year-old child presenting with ischemic stroke and protein S (PS) defect.
The family study suggested inheritance of the defect. The immunological characterization
of PS in the affected family members was consistent with a defect mainly in the free
form of PS. In the case here reported no associated predisposing condition to stroke
could be identified but familial PS defect was found. No therapy was administered.
Nevertheless symptoms disappeared spontaneously and there were no recurrences at the
1 year follow-up. Diagnostic imaging techniques demonstrated that a reduction in the
cerebral ischemic area had occurred 2 months after the stroke.
Keywords
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Article info
Publication history
Accepted:
January 15,
1994
Received:
September 21,
1993
Identification
Copyright
© 1994 Elsevier Science B.V. All rights reserved. Published by Elsevier Inc.