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Society for Pediatric Radiology – Poster Archive


Final ID: Poster #: CR-054

Congenital Glioblastoma Multiforme: A unique case report of a rare intracranial tumor.

Purpose or Case Report: Congenital glioblastoma multiforme (cGBM) is the rarest type of congenital brain tumors, constituting approximately 3.5% of cases according to the latest literature, with roughly 60 cases published worldwide. This specific presentation can be defined as ‘definitely congenital’, based on the 1964 classification of congenital tumors by Solitare and Krigman. The case report discusses the clinical presentation, radiologic and histologic findings, treatment, and prognosis of cGBM.

The tumor was first detected on an ultrasound at 31 weeks gestation, performed for a clinical diagnosis of mild oligohydramnios, revealing an unexpected large intracranial lesion. Prior to this finding, the pregnancy course was uneventful - the fetus was naturally conceived by a 30-year-old G2P1001 without history of infection, radiation, or trauma. No concerning maternal past medical history or use of drugs/alcohol during pregnancy. No family history of CNS malignancy was documented. MRI performed at 31 3/7 weeks confirmed a large complex cystic and solid mass lesion, bigger than previously measured on the aforementioned ultrasound, with mixed T1 and T2 signal within the left parietal/occipital lobe. Findings were concerning for a mass lesion, specifically a GBM given the size and complex signal characteristics. A second ultrasound preformed 12 days later showed even further growth, raising suspicion for a rapidly enlarging tumor. A pediatric neurosurgeon and maternal fetal medicine team following the patient had preemptively decided to deliver the fetus at 36 weeks due to increasing macrocephaly, with a plan for postnatal biopsy to establish pathology before a definitive treatment plan was ascertained. Unfortunately the mother presented to the clinic at 33 1/7 weeks with no fetal movement and an ultrasound confirmed intrauterine demise. After a classic Cesarean section, an autopsy confirmed a diagnosis of cGBM. No other congenital abnormalities were revealed.

Although fetal brain tumors are exceedingly rare, it is imperative to diagnose them in-utero due to potential prenatal and postnatal complications. Co-morbidities such as polyhydramnios, spontaneous intracranial hemorrhage, dystocia during delivery, and immediate postnatal heart failure should be continually evaluated for. Knowledge of an intracranial mass will allow providers to appropriately plan the mood of delivery and immediate postnatal course with necessary specialists available for immediate intervention.
Methods & Materials:
  • Henault, Kathryn  ( Hartford Hospital , Burlington , Connecticut , United States )
  • Kanev, Paul  ( Connecticut Children's Hospital , Hartford , Connecticut , United States )
  • O'loughlin, Michael  ( Hartford Hospital , Burlington , Connecticut , United States )
Session Info:

Electronic Exhibits - Case Reports

Fetal Imaging / Neonatal

Scientific Exhibits - Case Reports

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More abstracts from these authors:
Myocardial infarctions in young patients with congenital heart disease: Role of Cardiac MRI

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The natural history of pectus excavatum: An unusual illustration of deformity progression

Henault Kathryn, Moote Douglas, Campbell Brendan

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