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  • Title: Ruptured pontine cavernomas in infants: a report of two cases.
    Author: Florian IA, Timis TL, Kiss KR, Florian IS, Berindan-Neagoe I.
    Journal: Childs Nerv Syst; 2021 Mar; 37(3):1009-1015. PubMed ID: 33070216.
    Abstract:
    BACKGROUND: Cavernous malformations (CMs) are either congenital or acquired vascular lesions comprised of sinusoid spaces filled with either blood or its breakdown products. They possess a relatively reduced risk of hemorrhage, yet placement within the posterior fossa and especially the brainstem heightens their likelihood to rupture, making them a likely cause of permanent and debilitating neurological deficit, as well as a veritable surgical challenge. Although the incidence of rupture varies with age among reported case series, it is undoubtable that the severity of this occurrence is the highest while the brain is as its most vulnerable period, i.e. during infancy. CASE PRESENTATIONS: We present two patients, both female, 6.5- and 5-months-old respectively, who presented with brainstem hemorrhage from CM. They suffered from a sudden onset of hemiparesis and were subjected to surgical removal of their lesions and resulting hematomas. Both patients were discharged in a favorable neurological status and are currently alive and in good health. CONCLUSION: Microsurgical treatment of brainstem CMs in infants is not only possible with minimal deficit, but also advisable if the lesions are symptomatic. Nevertheless, this requires substantial patience and experience to prevent significant loss of blood and injury to the structures of the posterior fossa. We argue that the safest method to prevent further damage from brainstem CM rebleed is to remove these lesions shortly after the initial hemorrhage.
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